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Theory of Operation

B-23

Knutson E.O., and K.T. Whitby [1975]
“Aerosol Classification by Electric Mobility: Apparatus Theory and
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Journal of Aerosol Science

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Liu, B.Y.H., and D.Y.H. Pui [1974]
“Equilibrium Bipolar Charge Distribution,” Journal of Colloid Interface
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Plomp A. et al. [1982]
Proceedings of the 10th Annual Gesellschaft für Aerosolforschung
Conference Bologna, Italy.

Pui, D.Y.H., and B.Y.H. Liu [1979]
Technical paper: “Aerosol Generation and Calibration of Instruments,”
Mechanical Engr. Dept. Univ of MN, May/June.

Pourprix, M., and J. Daval, [1990]
Electrostatic Precipitation of Aerosols on Wafers, A New Mobility
Spectrometer,

Proceedings of the 3rd International Conference

, 2:797-800.

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Rader, D.J., [1990]
“Momentum Slip Correction Factor for Small Particles in Nine Common
Gases,” Journal of Aerosol Science, 21:161-168.

Reineking, A. and Porstendörfer, J. (1986). Measurements of Particle Loss
Functions in a Differential Mobility Analyzer (TSI, Model 3071) for Different
Flow Rates.

Aerosol Science and Technology

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: 483-486.

Rohmann, H. [1923]

Z. Phys

. 18:188.

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Sem G.J., P.B. Keady, and F.R. Quant [1983]
“High-Resolution Size Distribution Measurements of 0.01–15 µm Aerosol
Particles.” TSI Incorporated, Proceedings Sixth World Congress on Air
Quality, Paris, France, Vol 1, pp. 283-290, 16

–20 May.

Stoltzenburg, M.R. [1988]
“An Ultrafine Aerosol Size Distribution Measuring System,” Ph.D. Thesis,
University of Minnesota, USA.

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Wang, S. C., and R. C. Flagan, [1990]
“Scanning Electrical Mobility Spectrometer,” Aerosol Science and
Technology, 13:230-240.

Wiedensohler, A., E. Lütkemeier, M. Feldpausch, and C. Helsper [1986]
“Investigation of the Bipolar Charge Distribution at Various Gas
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Summary of Contents for 3082

Page 1: ...ELECTROSTATIC CLASSIFIER MODEL 3082 SCANNING MOBILITY PARTICLE SIZER SMPS SPECTROMETER MODEL 3938 OPERATION AND SERVICE MANUAL P N 6006760 REVISION C JANUARY 2016 ...

Page 2: ......

Page 3: ...ECTROMETER MODEL 3938 OPERATION AND SERVICE MANUAL Product Overview 1 Unpacking and Setting Up the Electrostatic Classifier 2 Moving and Shipping the Electrostatic Classifier 3 Instrument Description 4 Instrument Operation 5 Maintenance Service and Troubleshooting 6 Appendixes ...

Page 4: ...odel 3938 Manual History The following is a history of the Electrostatic Classifier Model 3082 and Scanning Mobility Particle Sizer SMPS Spectrometer Model 3938 Operation and Service Manual P N 6006760 Revision Date A September 2013 B February 2014 C January 2016 ...

Page 5: ...m recommended cleaning g This warranty is VOID if the product has been misused neglected subjected to accidental or intentional damage or is not properly installed maintained or cleaned according to the requirements of the manual Unless specifically authorized in a separate writing by Seller Seller makes no warranty with respect to and shall have no liability in connection with goods which are inc...

Page 6: ...GHTS The SOFTWARE and documentation are provided with RESTRICTED RIGHTS Use duplication or disclosure by the Government is subject to the restrictions set forth in the Rights in Technical Data and Computer Software Clause at 252 227 7013 and the Commercial Computer Software Restricted Rights clause at 52 227 19 6 LIMITED WARRANTY TSI warrants that the SOFTWARE will perform substantially in accorda...

Page 7: ...serious injury to you or can cause irrevocable damage to the instrument W A R N I N G High voltage is accessible within this instrumentation Unplug the power source before removing the cover to perform maintenance procedures W A R N I N G The Model 3077 3077A Neutralizers contain radioactive material that is subject to the regulations of the U S Nuclear Regulatory Commission as well as local regul...

Page 8: ...del 3077 3077A Neutralizer Do not remove any parts from the 3082 Classifier unless this manual instructs you to do so Corrosive materials can degrade materials within the classifier Do not operate the classifier and its associated instrumentation with chemicals that corrode 303 304 or 316 Stainless steel copper silver solder or epoxy A lead radiation shielding optional accessory may be installed i...

Page 9: ... to inhale them When the x ray source is to be disposed of contact TSI for proper disposal instructions Some of the CPCs that can be used in a 3938 SMPS spectrometer use n butyl alcohol butanol as a working fluid models 3772 3775 3776 Butanol is flammable and potentially toxic if inhaled When using butanol refer to a material safety sheet and follow these precautions Use butanol in a well ventilat...

Page 10: ...m maintenance procedures Do not apply power to the Model 3938 SMPS spectrometer unless the DMA high voltage cable is connected to the 3082 Classifier and the base DMA is mounted to the 3082 Classifier Always use the provided power cord to ensure proper grounding of the instrument D e s c r i p t i o n o f S a f e t y S y m b o l s a n d L a b e l s This information explains the advisory and identi...

Page 11: ...o the regulations of the U S Nuclear Regulatory Commission and local regulations Labels Advisory labels and identification labels are attached to the interior and exterior of the Electrostatic Classifier Labels are described below Serial Number Label displayed on the back panel High Voltage Warning Label displayed on the interior Earth Ground Label displayed on the interior Radiation label display...

Page 12: ...npackaged weight of classifier 58 lb 26 kg The weight may be unbalanced To protect your back when lifting the instrument follow these precautions Enlist the help of another person Transport the instrument on a cart when possible Carry the DMA and classifier separately Never lift the classifier by gripping the DMA Slide your hands beneath the classifier to lift it off the bench Note You can also us...

Page 13: ...roduct Description 1 1 How it Works 1 3 Impactor 1 4 Sheath Flow 1 5 Neutralizer 1 5 Differential Mobility Analyzer DMA 1 6 Bypass Flow 1 9 DMA High Voltage Controller 1 10 Particle Counter Detector 1 10 Flow Equalizer Assembly 1 11 CHAPTER 2 Unpacking and Setting Up the Electrostatic Classifier 2 1 Packing List 2 1 Unpacking 2 4 Ventilation Requirements 2 4 Setting up the Instrument 2 5 Installin...

Page 14: ... 7 Sheath Flow Loop 4 8 Circuit Boards 4 8 High Voltage Power Supply 4 9 DMA Lower Bracket 4 9 Communication Ports 4 9 Wetted Materials 4 12 CHAPTER 5 Instrument Operation 5 1 Operating Precautions 5 1 Operating the Electrostatic Classifier 5 2 Title Bar 5 3 Operating in Classifier Mode 5 7 Operating in SMPS Mode 5 10 Title Bar 5 11 Properties Shortcut Button 5 11 Specifying Graph Options 5 11 Sca...

Page 15: ... 8 Particle Mobility Theory B 11 SMPS Spectrometer Measurement Theory B 15 Multiple Charge Correction B 17 Diffusion Loss Correction B 17 Determination of P1 B 19 Determination of P2 B 19 Determination of P3 B 20 Determination of P4 B 20 Determination of P5 B 20 Equivalent Length Concept B 20 Selected References B 21 APPENDIX C Computer Interface C 1 Terminal Communications C 1 Firmware Commands C...

Page 16: ...5 18 Electrostatic Classifier Communications Screen 5 32 5 19 Electrostatic Classifier Logging Options Screen 5 34 5 20 Sample Inverted Data Export File 5 35 5 21 A Sample Raw Data Export File 5 36 5 22 Electrostatic Classifier Data Export Screen 5 37 5 23 Electrostatic Classifier Calibration Screen 5 39 5 24 Electrostatic Classifier User Calibration Screen Sheath Flow Tab 5 40 5 25 Electrostatic ...

Page 17: ...PS Spectrometer Accessory Kit 2 2 2 4 3081U Long DMA Upgrade Kit 2 2 2 5 Model 3081A Long DMA Accessory Kit 2 3 2 6 3085U Nano DMA Upgrade Kit 2 3 2 7 Model 3085A Nano DMA Accessory Kit 2 3 2 8 Model 3086 1nm DMA Accessory Kit 2 3 2 9 Optional Accessories and Replacement Parts 2 4 2 10 Flow Ranges for Impactor Bodies 2 15 4 1 Flow Range for Each Impactor Orifice 4 7 5 1 Electrostatic Classifier St...

Page 18: ...s 6 to 6 Elementary Charges as a Function of Mobility Calculated with equations B 2 and B 3 and coefficients given in B 2 B 9 B 2 Coefficients for Equation B 2 used for Radioactive Neutralizers Models 3077 and 3077A B 10 B 3 Coefficients for Equation B 2 used for soft X ray Neutralizer Model 3088 from Knobel et al 2013 B 11 C 1 Electrostatic Classifier Firmware Commands Description C 3 C 2 Electro...

Page 19: ... Electrostatic Classifier Describes how to prepare the Electrostatic Classifier for moving and shipping Chapter 4 Instrument Description Describes features and controls that run the Electrostatic Classifier including the components on the front panel back panel and inside the instrument It also covers the basic functions of the instrument Chapter 5 Instrument Operation Describes the operation of t...

Page 20: ...ration and Service Manual part number 1980527 TSI Incorporated Model 3776 Ultrafine Condensation Particle Counter Operation and Service Manual part number 1980522 TSI Incorporated Model 3777 Nano Enhancer Operation and Service Manual part number 6002945 TSI Incorporated Model 3787 General Purpose Water based Condensation Particle Counter Operation and Service Manual part number 6003712 TSI Incorpo...

Page 21: ...ng system where the classifier separates particles by size for high resolution measurements of particle size distribution When used as part of a Scanning Mobility Particle Sizer SMPS spectrometer monodisperse aerosol leaving the classifier passes to a Condensation Particle Counter CPC which measures particle concentration The SMPS spectrometer scans quickly through a portion of the size range from...

Page 22: ... multiplets Applications of the classifier when used in a TSI SMPS spectrometer to offer high resolution sizing of submicrometer particles include the following Conducting aerosol research including nucleation and condensation studies Performing atmospheric and climate studies Conducting Nanotechnology research and materials synthesis Conducting combustion and engine exhaust studies Characterizati...

Page 23: ...se aerosol exiting the classifier is selected using the display screen on the front panel When using the classifier for particle sizing it can be operated in the following modes Underpressure mode When the flow rate of the polydisperse aerosol is set by a CPC or any other vacuum source downstream of the classifier Air is drawn through the DMA a useful practice when sampling from aerosol at or near...

Page 24: ...e of the flow rate The Model 3082 can be operated with one of three impactors The orifice size and flow rate determine the largest particle size that can be sampled within each SMPS spectrometer measuring size range The aerosol flow is accelerated through a nozzle directed at a flat plate The plate deflects the flow to form a 90 bend in the streamlines Particles with high inertia cannot follow the...

Page 25: ...le mobility and size readings on the display Neutralizer The neutralizer provides a known charge distribution on the aerosol entering the DMA The classifier can be operated with a Model 3077 Krypton 85 Neutralizer or a Model 3088 Advanced Aerosol Neutralizer which uses soft x rays The Model 3077 is available in two versions Model 3077 74 MBq 2 mCi Model 3077A 370 MBq 10 mCi Used for higher flow an...

Page 26: ... flows in an axial direction between two narrow concentric cylinders to evenly distribute the concentric flow and concentration distribution This thin annular flow is introduced into the classifier region and smoothly merged with the laminar sheath air flow Particles with negative charge stick to the outer electrode whereas noncharged neutral particles are removed unaffected with the exiting sheat...

Page 27: ...al electrodes made of polished stainless steel and insulated from each other by a Teflon spacer at the top and an acetyl plastic Black Delrin spacer at the bottom The lower spacer allows enough high voltage leakage to prevent static charge build up near the exit slit Figure 1 3 Cross Section of Model 3081A Long DMA Teflon Delrin and Dacron are registered trademarks of E I du Pont de Nemours and Co...

Page 28: ...dpoint of the inlet slit is defined as the middle of the shortest distance between the edge and the radius projected to a vertical line Nano DMA and 1nm DMA The Model 3085A Nano DMA provides a size range from 2 to 150 nm but is optimized for particles 20 nm The Model 3086 1nm DMA uses the same basic design as the Nano DMA but with dimensions to provide a 1 to 50 nm size range and particularly good...

Page 29: ... the sample slit in the center electrode the exit design for the 1nm DMA and Nano DMA include four thin supports instead of twelve holes for the Long DMA The lower section of the center electrode also contains concentric cylinders The inner cylinder allows the sheath air to pass up to the top of the DMA while the outer cylinder carries the monodisperse sample flow from the exit slit to the exit po...

Page 30: ...rd and a dual negative positive supply is an optional factory installation The DMA controller provides an electrical potential on the center rod of the DMA The high voltage is set and monitored by the firmware The particle diameter can be set the same way that DMA voltage is set The corresponding voltage is calculated and set automatically Note that a sheath flow must be set before a particle diam...

Page 31: ...he pressure drop of the HEPA filter Figure 1 6 Flow Equalizer Assembly Therefore an impactor must be installed in the inlet of the classifier when using the flow equalizer assembly With an impactor installed dilution ratios of 4X to 7X can be achieved depending on impactor and flow rate Without an impactor installed the dilution ratio cannot be greater than 1 3 Ideally the flow equalizer should be...

Page 32: ...1 12 Electrostatic Classifier Model 3082 and SMPS Spectrometer Model 3938 This page intentionally left blank ...

Page 33: ...lose to your body lift with your legs while keeping your back straight C a u t i o n The shipping containers and packaging provided with the Electrostatic Classifier are designed to protect the instrument Use the provided container and packaging to ship the instrument for service use of other packaging may result in damage to the instrument P a c k i n g L i s t The packing list described in Table...

Page 34: ...06767 Shielded USB cable 1 962002 RS 232 cable goes between Classifier and CPC If the 3082 is purchased as part of a 3938 SMPS system you will receive an additional SMPS accessory kit and AIM3938 Aerosol Instrument Manager software Table 2 3 lists the components included in the SMPS Accessory Kit Table 2 3 1035990 SMPS Spectrometer Accessory Kit Qty Part Number Model Number Description 1 1036015R ...

Page 35: ... 1 4 inch inlet for Nano DMA 2 N A Labels for flow ports If a 3085A is purchased you will receive an additional 3085A Accessory Kit Table 2 7 lists the components included in the Model 3085A Accessory Kit for the Nano DMA Table 2 7 Model 3085A Nano DMA Accessory Kit Qty Part Number Model Number Description 1 N A Inlet Removal Body 1 1030389 Dacron screen assembly 1 N A Adapter Manifold with bypass...

Page 36: ...ule filter 2 required 1 3082R MAINT Maintenance Kit for 3082 Classifier see Table 6 1 U n p a c k i n g Remove the Accessory Kit and manual from the shipping container before carefully unpacking the Electrostatic Classifier Use the packing lists to verify that there are no missing components Save the original shipping container and packing materials to use for future shipping If anything is missin...

Page 37: ...ble not provided 6 Connect the AC power cable to the back of the classifier Notes When plugged in the unit powers on automatically Detailed instructions for steps 1 through 6 above are given on the following pages To set up the classifier in an SMPS spectrometer configuration follow the instructions in the order given 1 If required to do so by local regulations install the optional lead shielding ...

Page 38: ...ding is at least 10 mm thick and will reduce the radiation level to 1 µSv hr at a distance of 10 cm from any touchable surface of the classifier In some countries or localities the Model 3077A neutralizer must be operated with lead shielding installed To install the lead shielding follow these instructions 1 The classifier cover is attached with eight 8 screws Using a Phillips head screwdriver loo...

Page 39: ...five loosened screws in place 3 Using a Phillips head screwdriver remove the two screws securing the flag assembly and save for reuse 4 Lift out the flag assembly by placing your fingers in the depressions on either side and pulling up on the Polydisperse Flow outlet port ...

Page 40: ...ove the four screws holding the flag assembly housing in place and save for reuse 6 Lift the flag assembly housing out of the classifier by placing one finger on either side 7 Lift out the flag assembly housing and rest it on the top of the instrument Note The housing is tethered and cannot be removed completely ...

Page 41: ...e pinched 10 Slide the flag assembly housing back into place over the rods Line up the 1 4 inch holes on the bottom of the housing with the guide rods and slide the housing back into place over the rods 11 Screw the housing in place using the screws you removed in step 5 12 Reinstall the classifier cover C a u t i o n Do not ship the Model 3082 Electrostatic Classifier with the lead shielding inst...

Page 42: ...t be used and aerosol flow rate cannot be measured by the classifier C a u t i o n A neutralizer with sufficient charging efficiency must be installed upstream of the DMA to give accurate results Neutralizer age neutralizer activity level aerosol flow rate and aerosol concentration should be considered Contact TSI if you are unsure if your neutralizer has sufficient charging efficiency for your ap...

Page 43: ... from the Polydisperse Flow outlet tube 4 Push the neutralizer and the flag assembly together Slide the metal bracket over the bottom neutralizer tube Make sure the clearance holes on the bracket aligns with the screw heads on the neutralizer as shown 5 Compress the foam spacer bracket in order to spring the bracket into place The neutralizer and flag assembly are now ready to install ...

Page 44: ...d in step 1 The radioactive pop up flag will be up indicating that a neutralizer is installed The flow path inside the classifier has now been completed and aerosol pulled through the classifier inlet will now be exposed to radiation C a u t i o n The yellow indicator flag indicates a neutralizer is installed A classifier should never be shipped with a 3077 3077A neutralizer installed due to trans...

Page 45: ...lizer or without any neutralizer the provided impactors cannot be used and aerosol flow rate cannot be measured by the classifier To install the Model 3088 Advanced Aerosol Neutralizer follow these instructions 1 If the flag assembly has already been removed continue with step 3 If the flag assembly has not been removed using a Phillips head screwdriver remove the two screws securing the flag asse...

Page 46: ... of the neutralizer should be flush with the top of the classifier Check for a gap If there is a gap the neutralizer is not seated all the way down The Polydisperse Flow tube sticking out of the side will fit into the Polydisperse Flow cutout in instrument case 5 Reinstall the two retaining screws you removed in step 1 6 Insert the key into the interlock on the neutralizer Detailed instructions fo...

Page 47: ...milar appearance but the impactors differ from the inlet adapter in the following ways Each impactor nozzle incorporates an orifice that determines its cut size Each impactor nozzle is engraved with a serial number and orifice size Each impactor has a memory chip EEPROM on the side containing calibration information which is read by the classifier when installed The inlet adapter does not have a m...

Page 48: ...ressure sensor on the classifier C a u t i o n Do not use a 0 0457 cm or 0 0508 cm impactor with CPCs in high flow mode 1 5 L min as this creates excessive pressure drop and may result in low or incorrect CPC inlet flow To install an impactor follow these instructions 1 Select the correct impactor for your application based on Table 2 10 2 If you have not already done so remove the inlet adapter 3...

Page 49: ... inlet suitable for DMA inlet flows of 4 L min and less replace the base plate for auto recognition purposes install a flow manifold for proper routing of flow apply new port labels and program the memory chip for auto recognition purposes To upgrade a Nano DMA follow these instructions 1 Remove any tubing connected to the Nano DMA 2 Unscrew the black retainer ring or use inlet removal tool provid...

Page 50: ...sh it into the groove 6 Place the inlet on the Nano DMA and then screw the black retainer ring into place 7 Carefully lay the Nano DMA on its side with the base plate facing you Using a Phillips head screwdriver unscrew the two screws holding the base plate in place and save for reuse 8 Remove the base plate and discard 9 Remove the new base plate from the upgrade kit ...

Page 51: ... screw the new base plate into place on the Nano DMA 12 Apply the Sheath Flow label on top of the existing Sheath Flow label 13 Apply the Sheath Flow label on top of the existing Excess Flow label 14 Remove the manifold from the upgrade kit 15 Push the manifold onto the three ports on the Nano DMA 16 Follow these steps to program the base plate of the DMA i Locate the serial number sticker on side...

Page 52: ...ble with the 3082 Electrostatic Classifier At this point TSI recommends that you perform a DMA zero test to verify that the upgrade has not resulted in any leaks Follow the directions in Chapter 6 Performing ISO Zero Tests to perform this procedure Upgrading a Long DMA To upgrade a Long DMA you must replace the base plate for auto recognition purposes replace the monodisperse outlet fitting rotate...

Page 53: ... fitting Apply new Teflon tape to the fitting 5 Replace the Excess Flow fitting on the Long DMA in a vertical position Note The fitting should be at a 90 turn from its original orientation 6 Using a wrench remove the Monodisperse Flow fitting 7 Remove the protective cap from the new Monodisperse Flow fitting and apply Teflon tape to the fitting ...

Page 54: ...kit 10 Place the Long DMA upside down on the floor Match the holes on the base plate with the holes on the Long DMA and screw the new base plate into place using the screws you removed in step 2 11 Set DMA upright Loosen locking ring at top of DMA and rotate the head of the DMA clockwise 180 degrees for ease of tube routing with the 3082 as shown below DIRECTION OF ROTATION ...

Page 55: ...g steps discussed below ii Install DMA onto the 3082 see Chapter 2 Installing a DMA iii Turn on the 3082 iv Connect to the 3082 using terminal emulation software such as Hyperterminal or Windows Command Prompt see Appendix C Terminal Communications v Write these commands to the 3082 WSDMAMN 3081 WSDMASN s n for example WSDMASN 3081114501 WSDMALENGTH 0 44369 WSDMAID 0 01874 WSDMAOD 0 03922 WSDMATYP...

Page 56: ...ort which matches the inlet of the Model 3777 Nano Enhancer W A R N I N G If you operate the DMA with a classifier that is not installed in the mounting base bracket you must either connect the base of the DMA to the classifier cabinet with a ground strap or provide independent earth grounding to the DMA to avoid the risk of electric shock Installing a Long DMA To install a Long DMA follow these i...

Page 57: ...g on the Long DMA Push one end of the 12 inch length tubing onto the Sheath Flow fitting on the bottom of the Long DMA 5 Place the base of the Long DMA at an angle over the classifier mounting plate and snap the Long DMA into place The curved side of the LDMA base faces away from the classifier ...

Page 58: ...ng piece of tubing onto the Sheath Flow inlet on the classifier Push the end of the shorter length of tubing onto the Sheath Flow inlet 8 If you are operating the classifier with a neutralizer installed you must connect the Polydisperse flow Remove the inch black conductive tubing from the Accessories Kit Using the provided tube cutter or a clean razor blade cut a 21 inch length of tubing ...

Page 59: ...Unpacking and Setting Up 2 27 9 Push one end of the tubing onto the Polydisperse Flow port on the classifier 10 Push the other end of the tubing onto the Polydisperse Flow fitting on the Long DMA ...

Page 60: ...ove the cap and connect the manifold outlet to a vacuum line If the Bypass Flow will not be used leave the cap in place and continue with step 2 2 Remove the 3 8 inch black conductive tubing from the 3082 Accessory Kit Using the provided tube cutter or a clean razor blade cut two 6 5 inch lengths of tubing 3 Push one end of each piece of tubing into place on the Nano DMA flow manifold ports 4 Fit ...

Page 61: ...fitting on the classifier the upper fitting 7 Push the tubing connected to the Sheath Flow fitting on the manifold to the Sheath Flow fitting on the classifier the lower fitting 8 If you are operating the classifier with a neutralizer installed you must connect the Polydisperse flow Remove the inch black conductive tubing from the Accessories Kit Using the provided tube cutter or a clean razor bla...

Page 62: ... the cap in place and continue with step 2 2 Using a Phillips head screwdriver remove the baseplate from the 1nm DMA Snap the DMA base plate into the classifier so that it autodetects the 3086 1nm DMA 3 Set the 1nm DMA onto the provided horizontal mounting bracket Using a Phillips head screwdriver and the included mounting screws attach the DMA to the mounting bracket 4 Remove the stainless steel ...

Page 63: ...on the classifier the lower fitting 11 If you are operating with a neutralizer installed you must connect the Polydisperse flow Locate the included 3 8 to reducer and install it onto the neutralizer outlet port Using the provided tube cutter or a clean razor blade cut a piece of 3 8 tubing of appropriate length to connect the neutralizer to the DMA For optimal results install the neutralizer outle...

Page 64: ...erosol flow at a higher rate than the CPC in order to minimize diffusion losses Bypass flow configurations require external equipment vacuum source flow regulation and control etc which is not provided with the purchase of an SMPS spectrometer The Nano DMA and 1nm DMA are shipped with a plug on the bypass flow port To operate using bypass flow you will need to remove the plug Flow can either be pu...

Page 65: ...osed to a high voltage Replace a cut or damaged cable immediately Always switch off the instrument before connecting or disconnecting the high voltage connector To connect a Long DMA Nano DMA or 1nm DMA to the high voltage supply follow these instructions 1 Check that the power is turned off 2 Insert the high voltage connector into the high voltage port Note The connector only fits in one orientat...

Page 66: ...ly from the SMPS Accessory Kit 2 Push the flow equalizer assembly onto the Monodisperse Flow port on the DMA Tighten finger tight then use wrench to tighten an additional turn C a u t i o n Nylon ferrules are provided with the flow equalizer assembly Do NOT replace the nylon ferrules with metal ferrules as this may result in permanent swaging of the flow equalizer assembly ...

Page 67: ...PC follow these instructions 1 If using a 3772 CPC connect the CPC outlet to a vacuum source or pump otherwise skip to the next step 2 Using the tube cutter provided in the Accessory Kit or a clean razor blade cut a 10 inch 25 cm length of the inch flexible tubing provided in the 3082 Accessory Kit C a u t i o n The tube length used must match the length displayed on the Hardware tab of the Proper...

Page 68: ...User s Manual P N 1930038 Revision K and above Connecting the Classifier to the Computer The classifier can be connected to a computer PC using either USB or Ethernet USB Communication If using a USB connection connect the supplied USB cable to the USB Type B connection on the back of the classifier Connect the other end of the cable to the PC C a u t i o n If the computer enters standby mode may ...

Page 69: ...h as well as between switch and classifier Connection to a local area network LAN using standard Ethernet cable Aerosol Instrument Manager software may lose connection with the classifier if your network is too busy or the network connection is slow To bridge long distances via Internet the use of a dedicated PC on site running Aerosol Instrument Manager software is recommended The PC running Aero...

Page 70: ...classifier 2 Plug the power cord into your electrical supply It is not necessary to select the correct voltage the classifier accepts line voltage of 85 to 260 VAC 50 to 60 Hz 200 W max single phase 3 Flip the rocker switch on the AC Power In connection The instrument powers up automatically Note A soft power button is provided on the front panel to turn the instrument on and off Once the instrume...

Page 71: ...nded precautions for transporting the classifier Slot both hands beneath the instrument or place one hand beneath the instrument and the other on the back handle Never use the DMA as a handle when moving the classifier Remove the DMA and carry separately when moving the classifier C a u t i o n Do not ship the Model 3082 Electrostatic Classifier with the lead shielding the Neutralizer or the DMA i...

Page 72: ...instructions to remove it a Remove the tubing from the inlets outlets on the classifier b Disconnect the high voltage power supply c Cap the fittings with the vinyl end caps provided with the original packaging materials d Depress the lever on the classifier base and release the DMA 3 If you are using a Model 3088 Neutralizer follow these instructions to remove it a Use a Phillips head screwdriver...

Page 73: ...Use a Phillips head screwdriver to unscrew the two truss head screws holding the neutralizer in place b Slide the neutralizer and flag assembly out of the classifier 5 If you are using the lead shielding follow these instructions to remove it see previous chapter for installation instructions which are more detailed ...

Page 74: ...e previous steps b Tilt and lift the cover leaving the five loosened screws in place c Remove four 4 screws holding the neutralizer enclosure in place Rest on top of the classifier d Locate the lead shielding and carefully lift out e Replace the flag assembly housing f Replace the instrument cover ...

Page 75: ... inserts b Place the upper foam insert over the classifier Close and tape the box c Rest the box containing the classifier on the foam corner inserts in the large box Position the upper foam inserts and tape the box shut d The classifier is now ready for shipping Note If you require an impactor calibration return the impactor s when you return the Electrostatic Classifier to TSI ...

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Page 77: ... this instrument can occur if it not used in a manner described within this manual Failure to follow all of the procedures described in this manual can result in serious injury to you or cause irrevocable damage to the instrument W A R N I N G The Model 3077 3077A Neutralizer contains radioactive material that is subject to the regulations of the U S Nuclear Regulatory Commission as well as local ...

Page 78: ...r Model 3938 F r o n t P a n e l The main components of the Electrostatic Classifier front panel are shown in the figure below The main components are the touch screen display the power button and the aerosol inlet Figure 4 1 Electrostatic Classifier Front Panel ...

Page 79: ... 3 B a c k P a n e l The main components of the Electrostatic Classifier back panel are shown in the figure below Components include power and data connections and the cooling fan Figure 4 2 Electrostatic Classifier Back Panel ...

Page 80: ...8 S i d e P a n e l The main components of the Electrostatic Classifier side panel are shown in the figure below Components include the neutralizer data acquisition port high voltage power socket flow inlets and DMA base plate Figure 4 3 Electrostatic Classifier Side Panel ...

Page 81: ...ion 4 5 I n t e r n a l I n s t r u m e n t C o m p o n e n t s Internal components are described in this section and identified in the photos below Figure 4 4 Electrostatic Classifier Internal Components viewed from side ...

Page 82: ...r For more detailed information see Chapter 1 How It Works Three impactors are available for use with the Model 3082 The impactor set includes a removable impaction plate that is interchangeable with each of the three impactor bodies the impaction plate must be in place for the impactor to function properly Use Table 4 1 to determine the correct impactor for your application On the touch screen di...

Page 83: ... the inlet to the neutralizer It also contains an assembly which makes electrical contact with the memory chip on the impactor to read calibration information Neutralizer Housing The neutralizer housing is the cavity into which a 3077 3077A or 3088 neutralizer can be installed At the bottom of the housing a radial O ring 2501010 creates a seal with the neutralizer ensuring a continuous and leak ti...

Page 84: ...surement from sheath flow pressure sensor The flowmeter includes the sheath flow temperature sensor Flow manifolds Top and bottom main flow manifolds route flow between sheath flow loop components and DMA Circuit Boards There are three to four printed circuit boards PCB inside the classifier depending on instrument configuration PCB Description Main PCB Contains circuitry associated with communica...

Page 85: ...mory chip on the base of an upgraded DMA to read the model number and DMA parameters The DMA bracket is backwards compatible such that a non upgraded DMA can still be installed onto the classifier but will not have auto detection capability If your DMA does not have this capability you can purchase an upgrade kit 3081U or 3085U from TSI to take advantage of this feature and other improvements Comm...

Page 86: ...938 Figure 4 6 Electrostatic Classifier Back Panel Communication Ports C a u t i o n The external input output terminals provide a low voltage NON isolated interface to external devices Observe all polarity and rating of the signal levels to avoid damage to the instrument ...

Page 87: ...scription Action Comment Out 1 Not Ready Output switched to ground when SMPS spectrometer not ready Rating 30 VDC 110 ma Switch to ground non inductive load Out 2 Reserved In 1 Start High to Low transition minimum 350 ms Internal 10K pull up resistor to 5 VDC In 2 Stop Inhibit The digital output Out 1 is always active including when the unit is under remote control by Aerosol Instrument Manager so...

Page 88: ... Below is a list of wetted materials used in the aerosol flow path Nickel plated brass inlet nozzle impaction plate SS 304 SS 316 DMA fittings Anodized aluminum 6061 T6 inlet block flag assembly Teflon impregnated anodized aluminum 6061 T6 impactor body EPDM O rings Conductive silicone rubber external sample tubing PET Dacron screen Below is a list of wetted materials used in the sheath flow path ...

Page 89: ...ations Carefully read the Model 3077 Neutralizer operating manual to determine your legal responsibilities when using this instrument The Model 3088 Advanced Aerosol Neutralizer contains an x ray source which may be subject to local regulations During normal operation you will not be exposed to x ray radiation Do not make any changes such as detaching the x ray source from the neutralizer tube to ...

Page 90: ...e mode you use depends upon your requirements and hardware Classifier mode Used when you are operating the 3082 as a particle generation source The 3082 controls the DMA sheath flow and voltage to output a monodisperse aerosol No detector is connected SMPS mode The SMPS mode option is enabled when a DMA and detector are connected to the classifier The 3082 controls the detector and DMA during an S...

Page 91: ...e remote operation for the SMPS spectrometer verify that the system is not reporting errors before you leave the instrument unattended Watch the SMPS spectrometer until the first scan has completed in order to check for expected results Title Bar The title bar at the top of the display screen indicates the status of the instrument and provides error messages to help you troubleshoot any problems T...

Page 92: ... in firmware versions earlier than 2 0 Indicates sheath flow rate is on and has stabilized at the target setpoint slash indicates sheath flow is on but has not yet stabilized Size Distribution Corrections There are two correction options Mathematically they are identical to the correction options used in Aerosol Instrument Manager Software which go by the same names Choosing the multiple charge co...

Page 93: ...en viewing a completed scan the correction must be on before the sample is initiated in order for the exported data to use the correction Error Messages The wrench icon indicates an error or warning Touch the wrench icon to see an on screen message describing the error and or warning state s Table 5 2 contains a brief description of the possible error messages Figure 5 1 Electrostatic Classifier E...

Page 94: ...on Error The Model 3088 neutralizer is reporting an error and is not neutralizing Detector Data Error Detector internal data buffer is filled and there was data loss between detector and classifier Flowmeter Error Flowmeter is not connected Sheath Pressure Error The sheath flow pressure is outside of the range 17 128 kPa or the sheath flow pressure sensor is damaged Blower Current Error The sheath...

Page 95: ...h flow particle diameter and DMA voltage The sheath flow and DMA voltage fields default to OFF The particle diameter field turns on and off with the sheath flow the particle diameter cannot be set unless the sheath flow is turned on The particle diameter setpoint is limited to the calculated minimum and maximum shown in the particle diameter field The main screen also displays current configuratio...

Page 96: ... Using the onscreen keypad enter the flow rate to change the setpoint The current setpoint is displayed near the upper right of the Sheath Flow field To set the Particle Diameter on the main display screen follow these instructions 1 Using your finger or a stylus touch the Particle Diameter nm field Figure 5 4 Setting Particle Diameter 2 Using the onscreen keypad enter the desired particle size No...

Page 97: ...etween the two options The new voltage setpoint will be achieved within 2 seconds The sign of the current reading is displayed Note This option is only active if you have a dual polarity voltage supply If you have a single polarity supply the field displays and is unavailable to change 4 The power button icon allows you to toggle between On and Off where Off sets the DMA voltage to 0 without distu...

Page 98: ...rmware in Chapter 6 for download instructions SMPS mode is unavailable when a 3086 1nm DMA is used Aerosol Instrument Manager software must be used with the 1nm SMPS system The Electrostatic Classifier main screen in SMPS mode is shown in Figure 5 7 below Options available from the screen include Viewing size distribution of current or completed scan Setting graph options such as units weights and...

Page 99: ...takes you directly to the Properties screen where you can set up scan properties Whichever tab you last used on the Properties screen is now the active tab Specifying Graph Options The graph displays a size distribution of a completed sample or an in progress sample Vertical light blue lines indicate the size range of the scan By clicking on either the x axis or the y axis view options can be set ...

Page 100: ...mited by the size range of the measurement specified on the Setup Properties Scan screen Max Reset the View Boundaries back to the full size range of the measurement View Boundaries are set to Max by default Also if a change is made to scan settings View Boundaries will return to Max OK Return to main screen Graph and statistics will be updated based on your selections Cancel Return to main screen...

Page 101: ...rom the statistics in exported data files which relate to the entire size range regardless of View Boundaries When View Boundaries are set to Max default setting all histogram data will be displayed in blue Scan Size Range Min Max Light blue vertical lines indicate the size range over which the SMPS is set up to scan The scan size range is set up on the Setup Properties Scan tab Specifying Y Axis ...

Page 102: ...S screen Conc dW Represents interval particle size distributions The concentration in any channel represents the concentration within the particle size boundaries for that channel dW dlogDp Differential or normalized particle size distribution normalized to one decade of particle size This normalized concentration format allows particle size distributions to be compared regardless of the channel r...

Page 103: ...beneath the graph Scan and sample indices and elapsed time of the current scan are shown If the scan is set up with a Repeat Every interval or a delayed Start Time the remaining wait time will also displayed The status in the example below indicates that the scan in progress is the first of three averaged scans which are part of the fourth of ten samples and that 65 of 75 seconds have elapsed for ...

Page 104: ... figure above The units used in the Cursor pane follow the units on the x and y axes Scan Statistics Pane Scan statistics are displayed in the Statistics pane at the upper right of the screen They apply to data within the View Boundaries Statistics include Total concentration in cm3 Geometric mean Geometric standard deviation The units used in the Statistics pane follow the units weights and resol...

Page 105: ...settings including hardware scan flow correction gas scheduling date and time communications x axis and y axis settings on one screen To view the settings touch the information button on the main screen and use your finger or a stylus to scroll through the displayed settings ...

Page 106: ...ectrostatic Classifier Setup Screen The Setup screen options are listed in Table 5 5 and described on the following pages Table 5 5 Electrostatic Classifier Setup Screen Options Option Description Properties Edit the SMPS spectrometer hardware configuration scan and scheduling parameters and reference gas parameters Device Set the date and time calibrate the touch screen display specify communicat...

Page 107: ...e and Flow tabs are not available if a DMA and detector are not connected Flow Tab To set the flow follow these instructions 1 Touch the Flow tab on the Properties screen Set sheath flow and bypass flow not common not used with Long DMA or in combination with any impactors Aerosol flow rate is defined as the slit aerosol flow rate of the DMA If no impactor is installed aerosol flow rate will defau...

Page 108: ...rate Size Range is reported for informational purposes Size Range is configured from the Scan tab Note An SMPS scan cannot be initiated if the sheath flow is turned off set to 0 If sheath flow is off the SMPS screen will have a red warning message on the main screen that says that the sheath flow must be set 2 Touch OK to save your selections Scan Tab To set the scan options follow these instructi...

Page 109: ...the calculated time for the aerosol to flow through the sample column of the classifier The calculation of tf is based on the classifier s sheath air flow rate the polydisperse aerosol flow rate and the geometry of the classifier D50 Is the cut point diameter of the impactor This is the diameter at which the penetration efficiency of the impactor is 50 percent The SMPS algorithm takes this into ac...

Page 110: ...cutive samples that will be taken when the Start button is pressed User selectable Total Sample Time Total time required to complete a sample set Only Once Repeat Every toggle Only Once is checked by default This means that the SMPS spectrometer will stop sampling after the scheduled sample set completes The Repeat Every feature is used to run continuous sample sets Note The Total Sample Time must...

Page 111: ...igure an external trigger Notes Use the alphanumeric on screen keyboard to associate a note with subsequent scans 254 character limit The note will be attached to all subsequent scans and can be viewed on this screen or in the exported data Notes The Notes field is cleared at power down If the notes field already has entries make sure the Shift key is deselected to edit a portion of the note A car...

Page 112: ...ply polarity is noted as either Neg negative TSI Model 308200 or Neg Pos negative and positive TSI Model 308202 Notes If the system recognizes the installed DMA you will not be able to override the setting You can enter settings for a custom DMA through a terminal emulation program see Setting Up a Custom DMA 3 Touch the Impactor drop down field and select an option from the list 0 0457 0 0508 and...

Page 113: ...he detector CPC flow rate These flow rates depend upon your detector Alternatively you can also make this selection on the display of the detector The field is disabled if no detector is connected or if the 3772 CPC is connected as it only has 1 flow rate 7 Touch the Tube Length field On the resulting on screen keyboard select numbers to specify the length of the tube between the DMA and the detec...

Page 114: ... air To manually override the internal measurements of the classifier or to edit the gas properties follow these instructions 1 Touch the Gas tab on the Properties screen The temperature and pressure are updated every second unless Manual Input is selected Figure 5 11 Electrostatic Classifier Properties Screen Gas Tab 2 To enter in sheath flow temperature and pressure manually touch the Manual Inp...

Page 115: ...rs for that environment on this screen Figure 5 12 Electrostatic Classifier Gas Reference Screen 4 Touch Get Defaults for Air to reset the reference gas parameters to those for air Viewing and Setting Device Options Device options allow you to set the date and time calibrate the touch screen display specify communication options see information about the instrument and view diagnostic information ...

Page 116: ...then select a date from the on screen keypad Figure 5 14 Electrostatic Classifier Date and Time Screens 2 In the Time field to specify a Time use the arrows to select a time or touch the numbers in the field then select a time from the on screen keypad 3 Touch the 24 Hour box to specify a 24 hour date format 4 To choose the Date Format MM DD YYYY DD MM YYYY YYYY DD MM or YYYY MM DD press the arrow...

Page 117: ...uch Screen Alignment button Figure 5 15 Electrostatic Classifier Display Screen 3 Using the stylus touch the center of the crosshairs icon positioned at the lower right of the screen until the icon moves 4 Repeat step 2 for each corner of the screen moving in a clockwise direction and finally the icon in the center of the screen 5 Repeat steps 2 and 3 if necessary until you see a new calibration s...

Page 118: ...ormation The information screen displays the following information Instrument Model number Instrument Serial number Instrument Manufacturer Last calibration date Firmware version number USB IP Address Figure 5 16 Electrostatic Classifier Information Screen continued on next page ...

Page 119: ...n DMA center rod DMA Setting V Setpoint of voltage on DMA center rod Sheath Flow L min Sheath flow rate measured by internal flowmeter Sheath Drive Percent of maximum allowable sheath current 3A Sheath Temp C Temperature of sheath flow measured by internal flowmeter Sheath RH Relative Humidity of sheath flow measured immediately upstream of Sheath port Blower Run Time h Time in hours that sheath f...

Page 120: ...ailable Communication Use the Communications screen to configure the IP address subnet and default gateway to which the instrument belongs Addresses can be entered using the arrows or by selecting a field and using the on screen keypad Notes The USB IP Address is fixed and is unique to the instrument TCP IP is an industry standard networking protocol that allows computers and devices to communicat...

Page 121: ...to any other entities in the Routing Table Logging Data In SMPS mode sample data can either be logged externally to a USB flash drive or logged internally to memory Assuming the Enable Logging option is on recommended data from each sample set is saved to a text file Separate files exist for each sample set For sample sets extending across multiple days a new file is started for each day Since sca...

Page 122: ...ed data touch Dot or Comma Note You cannot select comma for both the delimiter and the decimal symbol If you have specified a comma delimiter and then select a comma decimal symbol the delimiter changes 5 Touch Log Raw Data to enable the logging of raw data in addition to the inverted data A TIM file containing raw counts will be saved in addition to the txt file see next section for details about...

Page 123: ...rted Data Export File If Enable Logging and Log Raw Data are both checked a TIM file containing raw counts will be saved in addition to the txt file Raw data from each completed scan will be logged to the TIM file The TIM file differs from the txt file in that the size distribution is logged as CPC counts vs time at the CPC sampling rate of 50 Hz instead of concentration vs size and raw data is sa...

Page 124: ...w Data Export File Table 5 7 Inverted Data vs Raw Data Comparison Feature Inverted Data Raw Data Extension txt TIM Sample data dN dlogDp vs size CPC counts vs time Resolution 64 channels decade 50 Hz Records stored Per sample Per scan Contains SMPS scan parameters and hardware configuration Yes Yes ...

Page 125: ...and errors format Text string Hexi decimal refer to RMSTATUS RMERRORS and RMDETERRORS Exporting Data The Data Export screen allows you to save logged data to a USB storage device or clear data from the instrument s internal memory The Classifier is compatible with USB storage devices that use FAT FAT32 and exFAT file formats The Classifier will not recognize USB storage devices formatted as NTFS F...

Page 126: ...ata Insufficient space on USB flash drive The size of the total logged data stored in internal flash memory is greater than the logging memory available on the external USB drive There is no data to transfer No data stored in internal flash memory Inverted data uses about 1 kB of memory per sample regardless of scan time or of scans per sample Raw data uses about 2 kB of memory per second per scan...

Page 127: ...e 5 23 below shows the Classifier mode Calibration screen Figure 5 23 Electrostatic Classifier Calibration Screen Performing a User Calibration Perform sheath and impactor flow calibrations and check the accuracy of existing calibrations with the User Calibration screen Sheath Flow The sheath flow rate is measured and controlled internally by a thermal mass flowmeter It is calibrated to 2 at the f...

Page 128: ...ow accuracy of 2 or better over the range of 2 to 30 L min such as a Gilibrator meter 3 Connect the Sheath Flow port on the classifier to the Sheath Flow port on the DMA if not already connected 4 From the classifier Setup screen navigate to Calibration User Calibration Select the Sheath Flow tab Figure 5 24 Electrostatic Classifier User Calibration Screen Sheath Flow Tab ...

Page 129: ...ow values are recorded is not important as long as the flows are stable Figure 5 25 Electrostatic Classifier User Calibration Screen Sheath Flow Setpoint button 6 Monitor the flow rate shown in the Classifier cell for 10 seconds or until the flow rate stabilizes Record the value from the reference flow device to two decimal places in the Reference field using the onscreen keypad and press ENTER 7 ...

Page 130: ...e new calibration curve An onscreen message tells you the calibration is complete and has been saved to the instrument Figure 5 27 Electrostatic Classifier User Calibration Screen Calibration Saved to Instrument 10 Touch OK to save or Clear to the data Check Existing Calibration If you do not want to re calibrate flow but instead want to check the accuracy of your current calibration use the Check...

Page 131: ...ort on the DMA if not already connected 4 From the classifier Setup screen navigate to Calibration User Calibration Select the Sheath Flow tab Figure 5 28 Electrostatic Classifier User Calibration Screen Sheath Flow Tab 5 To check calibration at a specific flow rate set the sheath flow to the flow rate of interest by pressing the corresponding Setpoint button The Raw and Classifier data fields pop...

Page 132: ...nscreen keypad and press Enter Figure 5 29 Electrostatic Classifier User Calibration Screen Reference Field 7 Repeat step 5 and 6 for all desired flow rates then press the Check button The Error column indicates the accuracy of your current calibration Generally errors within 2 indicate an acceptable calibration however a wider tolerance range may be acceptable for some applications 8 If necessary...

Page 133: ... an impactor calibration To zero the differential pressure sensor follow these instructions 1 Disconnect the DMA and the classifier from any flow sources to ensure zero flow through the classifier inlet 2 From the classifier Setup screen Calibration User Calibration the dP tab Touch Zero dP You will see a message telling you that you have set the dP offset Figure 5 30 Electrostatic Classifier User...

Page 134: ...sh to calibrate The impactor must be fully assembled with impaction plate 2 Connect the Polydisperse Flow outlet to the Sheath Flow port on the side of the classifier using lengths of inch and 3 8 inch tubing A 3 8 to 1 4 reducing tube adapter not provided may be necessary to ensure a good connection between the two lengths of tube 3 Disconnect tubing from the Sheath Flow port on the classifier so...

Page 135: ...the reference flow device to two decimal places in the Reference field using the onscreen keypad and press ENTER 8 Repeat steps 6 and 7 for each of the flow setpoints until you have entered a valid Reference flow value for each setpoint 9 When all the data has been added press the active setpoint button again to turn the flow off 10 The Calibrate button becomes active If you want to recalibrate th...

Page 136: ...y an existing calibration at any of the flow setpoints Similar to checking the sheath flow calibration see detailed instructions earlier in this chapter the Check feature does not change the calibration of the impactor Resetting the Factory Defaults Use Factory Defaults to clear the sheath and impactor calibration settings and restore the original calibrations set at the factory You will lose any ...

Page 137: ...ath Flow and or Impactor Note The Impactor field is unavailable if no impactor is installed 3 Touch Restore Factory Defaults You will be asked to confirm your action 4 The following message will display telling you that you have reset the selected parameters Touch OK to dismiss the message Figure 5 34 Electrostatic Classifier Factory Defaults Restored for Sheath Flow Screen 5 Touch Back to return ...

Page 138: ...SCUSTOMDMALENGTH Enter the command followed by the length of the DMA in meters Example WSCUSTOMDMALENGTH 4 4369e 3 where the DMA length is 0 44369 m WSCUSTOMDMAID Enter the command followed by the inner diameter of the DMA in millimeters Example WSCUSTOMDMAID 1 874e 2 where the DMA inner diameter is 0 01874 m WSCUSTOMDMAOD Enter the command followed by the outer diameter of the DMA in millimeters ...

Page 139: ...er software the following screen appears on the classifier display Figure 5 35 Electrostatic Classifier Display Screen for External Control If the button Return to Local Control is pressed any Aerosol Instrument Manager software scan in process will be terminated and the software will indicate that the classifier has been returned to local control For complete details about operating as part of an...

Page 140: ...n parameters hardware settings gas parameters scan time etc are preserved after auto recovery Sample and scan indices restart at 1 when sampling resumes Sample data will be saved to a new text file when sampling resumes Sampling will resume immediately after power returns Auto recovery does not take into account a delayed start time Text in the Notes field will be replaced with the text Recovered ...

Page 141: ...e resulting dialog box select Yes C a u t i o n Although there is a rocker switch on the back of the instrument it is recommended that the front panel power button be used to safely shut down the classifier to avoid the possibility for a loss of data Note It is not necessary to turn off the instrument using the rocker switch on the back of the instrument in addition to shutting off the classifier ...

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Page 143: ... in this section should only be performed by a qualified trained service technician You can purchase a 3082R MAINT Model 3082 Maintenance Kit to perform routine maintenance procedures on your classifier Table 6 1 lists the components contained in the maintenance kit Table 6 1 3082R MAINT Model 3082 Electrostatic Classifier Maintenance Kit Qty Part Number Model Number Description 1 840620 Sheath fl...

Page 144: ...eparate CPC manuals Recommended Cleaning Solutions The external surfaces of the 3082 may require cleaning time to time Isopropanol or soapy water can be used to clean the classifier display chassis impactor DMA Dampen a cloth with cleaning solution to apply In order to prevent dripping or overspray into instrument do not spray on Do not use any abrasive materials aromatic solvents toluene xylene o...

Page 145: ...ling the two pieces apart 3 Clean the impaction plate with a soft cloth soaked in isopropanol 4 In order to prevent particle bounce apply a thin film of vacuum grease to the impaction plate Apply with your finger C a u t i o n If too much grease is used the pressure drop across the nozzle will be altered ...

Page 146: ...ro count results an incorrect penetration curve and or inaccurate differential pressure measurements If they are nicked or cut they should be replaced There are three O rings on the impaction plate one face seal and two radial seal To replace the three impactor O rings follow these instructions 1 Power off the classifier 2 If installed remove the impactor by turning the impactor counterclockwise 3...

Page 147: ...80 is made of conductive material to ensure that the impactor is grounded to the classifier chassis It should not be replaced with a substitute 1 207 O ring If you set the O rings on a dirty surface they will pick up debris Perform a visual inspection and remove debris with a clean wipe 7 Slot new O rings into the correct grooves in the impactor body To replace the 1 025 O ring 6006389 from the cl...

Page 148: ...89 and insert into the groove in the classifier inlet Greasing O rings Greasing the radial seal O rings extends their life The impactor O rings should be greased once a year as part of your routine maintenance procedures To grease the O rings follow these instructions 1 Remove the O rings from the impactor following the procedure noted above 2 Place a small amount of standard vacuum grease on your...

Page 149: ... zero count test or leak check change the flag assembly O ring To change the flag assembly 2501010 O ring follow these instructions 1 Locate the O ring in the flag assembly 2 Using a pin or small slotted screwdriver remove the O ring C a u t i o n Do not puncture the O ring 3 Take a new 2501010 O ring from the Maintenance kit and insert into the flag assembly ...

Page 150: ...ollow these instructions 1 Power off the instrument 2 The cover is attached with eight 8 screws with captive nylon washers The bottom two and top three need not be completely removed just loosened Remove the other screws with a Phillips head driver and save them for reuse Note Leave the captive washers attached to the screws ...

Page 151: ...ers may need periodic replacement Note Inside the classifier IN and OUT are etched onto the main flow manifold to indicate the direction of flow In addition the filter manifold has arrows showing filter direction Match these indicators to the flow direction shown on the filter label when reinstalling filters To change the filters in the sheath air line follow these instructions 1 Power off the cla...

Page 152: ...n the filters Note Arrows on the filters show the direction of flow The word IN etched onto the manifold also shows the direction of flow 6 Replace the filters Match the direction of flow The upper filter flow should be in and the lower filter out W A R N I N G If dirty filters are inserted in the wrong orientation particles may be pushed back into the instrument ...

Page 153: ...w these instructions 1 Power off the classifier 2 Remove the cover following the instructions at the beginning of this section see Removing the Cover 3 Using a 9 64 inch hex wrench remove the three 8 32 x 3 8 inch screws holding the upper flow manifold in place Save the screws for reuse Note Use the clearance holes in the upper flange of the instrument case to access these screws 4 Lift the upper ...

Page 154: ...n and the electrical connector pointing to the left when viewing the instrument from the front Rock the flowmeter into place twist if necessary until the flowmeter is fully seated 9 Replace the upper flow manifold aligning the bore to the flowmeter With a consistent but gentle force rock the manifold to seat the O ring in place 10 Using the 9 64 inch hex wrench replace the three screws you removed...

Page 155: ...er source before removing the cover to perform maintenance procedures Unplug the high voltage cable from the classifier to the DMA before disassembling the DMA or performing maintenance procedures Cleaning the Long DMA Electrodes During cleaning procedures refer to Figure 6 1 below Figure 6 1 Long DMA Cleaning the Electrodes shown with 3081 base plate ...

Page 156: ...tch the rod and the inside of the tube A small scratch nick or burr can disrupt the DMA electric field and adversely affect DMA performance 8 Visually inspect the center rod for contamination If the rod is dirty clean it and the inside of the outer tube a Remove the four screws that attach the outer tube to the base plate b Lift the tube off the base Inspect the tube for dirt 9 Wash the collector ...

Page 157: ...ce Service and Troubleshooting 6 15 Cleaning the Nano DMA or 1nm DMA Electrodes During cleaning procedures refer to Figure 6 2 below Figure 6 2 1nm DMA and Nano DMA Cleaning Electrodes shown with 3085 base plate ...

Page 158: ...the sections between the stainless steel body and the white plastic base between the Bypass and Sheath Flow flow ports 10 Lift up the stainless steel housing being careful not to make contact between the outer case and the center rod W A R N I N G Do not scratch the rod and the inside of the tube A small scratch nick or burr can disrupt the DMA electric field and adversely affect DMA performance 1...

Page 159: ... ensure that the ground wire is secured by the ground set screw Use a 0 050 inch Allen wrench to tighten the set screw If the set screw is not secured improper grounding can produce unpredictable measurements Figure 6 3 Reassembling Base with Grounding Wire 13 Power on the classifier and test the DMA for leaks see Performing ISO Zero Tests ...

Page 160: ...me contaminated and contribute to arcing If you experience arcing problems replace or clean the screen An extra Dacron screen was included with the DMA when shipped Two additional Dacron screens are included in the optional 3082 Maintenance Kit 3082R MAINT Cleaning Replacing the Long DMA Screen During cleaning procedures refer to Figure 6 4 below Figure 6 4 Cleaning the Long DMA Dacron Screen ...

Page 161: ...move the sheath assembly 5 Carefully pull the upper insulator from the sheath core 6 Unscrew the sheath cone from the sheath core 7 Remove the Dacron screen from the lower portion of the sheath cone and visually inspect If the screen is damaged replace it with a new screen If the screen is undamaged but dirty continue with step 8 8 Grip the dirty screen with tweezers and dip into a clean beaker fi...

Page 162: ...ase plate To clean the 1nm or Nano DMA Dacron screen follow these instructions 1 Remove the collector rod following the steps in Cleaning the Nano or 1nm DMA Electrodes 2 Using the tool provided in the Accessory kit loosen the retaining ring 3 Separate the inlet cone sheath assembly and outer housing C a u t i o n Do not damage the sharp edge at the bottom of the sheath assembly 4 Using the tool f...

Page 163: ...nd dip into a clean beaker filled with IPA Repeat three times 8 Allow the screen to air dry or dry it with a very light flow of filtered compressed air 9 Replace the screen in the sheath cone 10 Reassemble the DMA Performing ISO Zero Tests ISO 15900 an international standard which provides methods for testing and calibrating differential mobility devices specifies a zero check for the detector the...

Page 164: ...s at the sheath flow rate and aerosol flow rate that will be used in your application A sheath to aerosol flow ratio of 10 1 is preferred for most applications such as 15 L min sheath flow 1 5 L min aerosol flow 4 Set up to run one scan 5 Begin the scan without a HEPA filter installed on the inlet of the classifier to verify appropriate response of SMPS spectrometer to room air You should see coun...

Page 165: ...ier display set the sheath flow rate to 30 L min or if preferred to the flow rate that will be used in your application 3 From the CPC display set the aerosol flow rate to 1 5 L min or if preferred to the flow rate that will be used in your application 4 From the classifier display turn off the DMA voltage by clicking on the power button icon next to the high voltage reading 5 The detector concent...

Page 166: ...and polydisperse flow port to the classifier See Chapter 2 Installing a DMA for details 3 Install your neutralizer to complete the internal flow path either 3077 3077A or 3088 See Chapter 2 Setting Up the Instrument for details 4 Install the inlet adapter Cap the inlet with a vinyl end cap or other plug cap 5 Connect the DMA monodisperse outlet to a vacuum system not provided capable of pulling do...

Page 167: ...can influence the accuracy of the impactor flow measurement therefore check or recalibrate the impactor flow as part of your routine maintenance Full details of the sheath flow calibration are given in Chapter 5 Performing a User Calibration Upgrading Firmware Check the TSI web site periodically for upgrades to the Electrostatic Classifier firmware and CPC firmware Firmware upgrades are contained ...

Page 168: ...ck whether there is an inlet adapter in place instead of an impactor If an impactor is in place remove and re insert it Note You can manually set the impactor type from the Hardware tab on the Properties screen Impactor installed but memory chip is damaged Return the impactor to TSI for service Note You can manually set the impactor type from the Hardware screen High Impactor dP warning A dP of 9 ...

Page 169: ...ge Error Voltage output of internal HV supply is not within 25V of HV setpoint due to a short in DMA DMA Voltage Self Check Error The high voltage self check test automatically conducted at start up has failed The HV reading is more than 25V off at 50V and or 9750V There is a short in the DMA because it is dirty Clean the DMA See Cleaning the DMA Electrodes The instrument has been operated outside...

Page 170: ...lizer 3088 is not seated properly Top of 3088 should be flush with the top of the classifier Check for a gap Pull out and reseat if necessary Aerosol flow is negative dP needs to be zeroed Zero the dP sensor See Chapter 5 Calibration Inlet impactor is difficult to insert Lack of grease on internal 1 025 O ring Grease O ring see Replacing Impactor O rings 3082 does not recognize a USB flash drive U...

Page 171: ...ter etc by more than 0 5 This mismatch does not exist in the raw data or in scan properties required to do the data inversion i e mean free path gas viscosity etc Lowest channels return zero even though CPC is counting particles CPC efficiency for that channel is 20 Default efficiency files in the 3082 ignore contribution of particles in channels for which CPC efficiency is less than 20 percent If...

Page 172: ...hen the classifier clock is not synchronized after sampling has started If continuous sampling will be impacted by an internal clock drift of 6 seconds day set up continuous sampling using the Repeat Every feature on the Aerosol Instrument Manager software Scheduling tab to force a clock synchronization at the beginning of each sample Aerosol Instrument Manager software loses connection to classif...

Page 173: ...er fails or if you are returning it for service visit our website at http service tsi com or contact TSI at TSI Incorporated 500 Cardigan Road Shoreview MN 55126 USA Phone 1 800 874 2811 USA or 1 651 490 2811 E mail particle tsi com TSI GmbH Neuköllner Strasse 4 52068 Aachen GERMANY Telephone 49 241 52303 0 Fax 49 241 52303 49 E mail tsigmbh tsi com Web www tsiinc de TSI Instruments Ltd Stirling R...

Page 174: ...d including when it is returned to TSI for service Always place protective caps over the inlets outlets to prevent debris from entering the instrument If you no longer have the original packing material place the instrument inside a plastic bag to protect it and then package with at least 5 13 cm of shock absorbing packaging material around all sides of the instrument C a u t i o n Do not ship the...

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Page 176: ......

Page 177: ...solution Total Size Channels 3081A 3772 Butanol 1 to 1 000 1 to 10 7 16 to 600 Selectable 64 channels Decade Varies by configuration spans 167 channels from 2 5 to 1 000 nm collectively 3775 3787 Water 3766 Butanol 3788 Water 3085A 3776 Butanol 2 5 to 150 3788 Water 3081A and 3085A 3775 Butanol 4 to 1 000 3787 Water 5 to 1 000 3776 Butanol 2 5 to 1 000 3788 Water 3086 3777 3772 DEG Butanol 1 to 50...

Page 178: ... Aerosol Neutralizer Options Aerosol Neutralizer Model 3077 Bipolar Kr 85 74 MBq 2 mCi half life of 10 7 years lead shielding available Aerosol Neutralizer Model 3077A Bipolar Kr 85 370 MBq 10 mCi half life of 10 7 years lead shielding available Advanced Aerosol Neutralizer Model 3088 Bipolar soft x ray E 9 5 keV x ray source life before exchange 8760 operating hours 6005931 Lead shielding column ...

Page 179: ...ection Neutralizers are shipped separately from other system components End user name and address is required Charger Neutralizer Aerosol Neutralizer Model 3077 Bipolar Kr 85 74 MBq 2 mCi half life of 10 7 years lead shielding available Aerosol Neutralizer Model 3077A Bipolar Kr 85 370 MBq 10 mCi half life of 10 7 years lead shielding available Advanced Aerosol Neutralizer Model 3088 Bipolar soft ...

Page 180: ...trostatic Classifier with Long DMA Particle type Solids and nonvolatile liquids Particle size range Classifier mode Adjustable from 10 to 1000 nm Sizing Accuracy 1 at 100 nm for 10 1 sheath aerosol flow ratio Maximum input concentration 10 7 particles cm 3 Physical measurements Long DMA Model 3081A Height 61 cm 24 in Outside diameter 7 6 cm 3 in excluding ports Weight 5 5 kg 12 lb Monodisperse and...

Page 181: ...L min Monodisperse aerosol outlet in OD Sheath ports and bypass port 3 8 in OD Complete instrument Dimensions LWH 40 5 cm 28 cm 40 5 cm 16 in 11 in 16 in Weight 17 kg 38 lb Order Model 3082 HVPOS when ordering the Classifier Model 3082 to have your Classifier shipped with dual switchable DMA voltage negative and positive When ordered later the classifier must be shipped to TSI for installation and...

Page 182: ...in OD standard 3 8 in OD optional for aerosol flow 4L min Monodisperse aerosol outlet 3 8 in OD Sheath ports and bypass port 3 8 in OD Complete instrument Dimensions LWH 40 5 cm 28 cm 40 5 cm 16 in 11 in 16 in Weight 17 kg 38 lb Order Model 3082 HVPOS when ordering the Classifier Model 3082 to have your Classifier shipped with dual switchable DMA voltage negative and positive When ordered later th...

Page 183: ...ize distribution of aerosols since the work of Rohmann 1923 The differential mobility analyzer DMA was developed and used initially for electrical mobility measurements of submicrometer particles Hewitt 1957 Liu and Pui 1974 used the differential mobility analyzer with a bipolar charger to produce monodisperse aerosols of known size Their design was used to develop the first commercial DMA the TSI...

Page 184: ...precise match of sheath and excess flows a great improvement over the 3071 Microprocessor controlled volumetric flow Front panel design with control knob and built in display Precision dynamic high voltage supply for fast accurate scanning Optional easy to install positive high voltage supply negative supply is standard Electronic control of flow voltage particle size and instrument functions In S...

Page 185: ...see Figure B 1 which removes particles above a known particle size by inertial impaction The aerosol flow is accelerated through a nozzle directed at a flat plate see Figure B 2 Figure B 1 Classifier Shown with Impactor Installed on Inlet Impaction Nozzle or Jet Stream Lines Impaction Plate Figure B 2 Cross Sectional View of an Inertial Impactor Hinds 1982 ...

Page 186: ...nction of the impactor flow rate and nozzle diameter Equation B 1 below is used to calculate the cut point diameter The Cunningham Slip Correction C in Equation B 1 is a function of the particle diameter therefore this equation must be solved by iteration CQ 4 W Stk 9 D p 3 50 50 Equation B 1 where D50 particle cut point diameter cm 50 cut efficiency Stk50 Stokes number for 50 collection efficienc...

Page 187: ...e of sheath air and both flows pass down the annulus with no mixing of the two laminar streams The inner cylinder the collector rod is maintained at a controlled negative voltage while the outer cylinder is electrically grounded This creates an electric field between the two cylinders The electric field causes positively charged particles to be attracted through the sheath air to the negatively ch...

Page 188: ...B 6 Electrostatic Classifier Model 3082 and SMPS Spectrometer Model 3938 Figure B 3 Flow Schematic for the Electrostatic Classifier with Long DMA ...

Page 189: ...Theory of Operation B 7 Figure B 4 Flow Schematic for the Electrostatic Classifier with Nano or 1nm DMA ...

Page 190: ... 1988 The theoretically determined charge distribution agrees well with experimental data It can be seen from the figure that the fraction of positively charged particles is different from the fraction of negatively charged particles Table B 1 lists the fractions of particles in air that carry 6 5 4 3 2 1 0 1 2 3 4 5 and 6 charge units This table was calculated based on Wiedensohler 1988 and Kim e...

Page 191: ...78 0 2576 0 5026 0 1963 0 0157 0 0 0 0 80 58 3 885E 04 0 0 0 0 0012 0 0379 0 2686 0 46539 0 2050 0 0213 0 0005 0 0 0 93 06 3 014E 04 0 0 0 0 0026 0 0497 0 2766 0 4304 0 2115 0 0280 0 0012 0 0 0 107 46 2 350E 04 0 0 0 0001 0 0051 0 0628 0 2812 0 39728 0 2155 0 0356 0 0023 0 0 0 124 09 1 843E 04 0 0 0 0004 0 0091 0 0767 0 2825 0 36632 0 2169 0 0439 0 0041 0 0001 0 0 143 30 1 454E 04 0 0 0 0010 0 014...

Page 192: ... 1 N 0 N 1 N 2 a0 26 3328 2 3197 0 0003 2 3484 44 4756 a1 35 9044 0 6175 0 1014 0 6044 79 3772 a2 21 4608 0 6201 0 3073 0 4800 62 8900 a3 7 0867 0 1105 0 3372 0 0013 26 4492 a4 1 3088 0 1260 0 1023 0 1553 5 7480 a5 0 1051 0 0297 0 0105 0 0320 0 5049 For the fraction of particles carrying three or more charges use equation B 3 which is based on a derivation by Gunn from 1956 2 p 0 2 i i 2 p 0 p 0 2...

Page 193: ... c l e M o b i l i t y T h e o r y As mentioned previously only particles with a narrow range of electrical mobilities are extracted by the DMA to be measured by a particle sensor To determine the particle size associated with this range of mobilities the definition of particle electrical mobility must be examined An aerosol particle in an electric field E carrying n electric charges experiences a...

Page 194: ...taken from Kim et al 2005 is used as default reference values for air in the Electrostatic Classifier Model 3082 and the Aerosol Instrument Manager Software Model 3938 Reference Temperature Tr 296 15 K Reference Pressure Pr 101 3 kPa Reference dynamic viscosity r 1 83245 10 5 kg m 1 s 1 Reference mean free path r 6 730 10 8 m Note In above equations the gas mean free path and gas viscosity paramet...

Page 195: ...Equations B 4 and B 5 can be combined to give an equation that relates the particle diameter to collector rod voltage number of charges on the particle Classifier flow rate and geometry for the Long DMA Nano DMA or 1nm DMA 1 2 sh p r r ln q 3 L V ne 2 C D Equation B 7 Figure B 6 allows calculation of the particle diameters that pass through the exit slit of the Electrostatic Classifier if the numb...

Page 196: ...particles with a single charge and collector rod voltage for a Model 3081A Long DMA q 20 lpm q 10000 1000 100 10 0 001 0 01 0 1 1 Particle Diameter Dp µm sh q a 4 lpm s Collector Rod Voltage V Volts Figure B 6 Collector Rod Voltage as a Function of Particle Diameter for Normal Operating Conditions of the Long DMA Agarwal and Sem 1978 The Equations listed above do not account for diffusion broadeni...

Page 197: ...qual Vtf V Zmin at t tf tf is the time particles need to pass through the DMA and Vmax V Zmax at t tscan Here Zmin and Zmax are the electrical mobilities of singly charged particles with the lower boundary diameter of the first size bin to be measured and the upper boundary diameter of the last size bin to be measured respectively Equation B 4 is applied for the calculation of Z D Accordingly Equa...

Page 198: ...ed particles were singly charged It uses the detection efficiency of the particle detector ηdet j for size bin j an eventual dilution in the flow equalizer or due to DMA bypass flow the fraction of singly charged particles f1 j for the midpoint particle diameter Dm j of each size bin j the Penetration Pj of particles with size Dm j through the SMPS system to correct for diffusion losses the flow r...

Page 199: ...tor nozzle is chosen so that the inlet impactor removes such larger particles Starting from the topmost size bin j the multiple charge correction for up to 6 charges follows Equation B 12 The calculation of the fractions of particles with p elementary charges fp j is described in Charging Theory Equation B 12 D i f f u s i o n L o s s C o r r e c t i o n To understand why Diffusion Loss Correction...

Page 200: ...ing diameter The additional distance the particles must travel to the walls in a wider tube is offset by a longer residence time The Scanning Mobility Particle Sizing SMPS spectrometer can be broken down into five different flow paths for which an aerosol penetration can be calculated P1 Penetration through the impactor inlet P2 Penetration through the bi polar neutralizer and internal plumbing P3...

Page 201: ...of flow rates P1 is dependent on the Reynolds number so it is affected by the flow rate and the gas properties of the working gas When using an impactor it is important to stay within the recommended flow ranges to achieve the highest accuracy for the Diffusion Loss Correction Determination of P2 The penetration through the internal passages of the Model 3080 and Model 3082 Classifier including th...

Page 202: ...ndörfer 1986 The penetration was also validated experimentally Determination of P5 P5 is already included in the counting efficiency of the CPC and includes penetration inside the CPC activation efficiency and optical detection efficiency Equivalent Length Concept Finally for Penetration calculations each individual flow path is characterized by its equivalent length This equivalent length is then...

Page 203: ...ed Aerosol Particles by Bipolar Ions Journal of Chemical Engineering Japan 16 229 Agarwal J K and G J Sem 1978 Generating Submicron Monodisperse Aerosols for Instrument Calibrations TSI Quarterly May June p 5 TSI Incorporated St Paul MN Allen M D and O G Raabe 1985 Slip Correction Measurements of Spherical Solid Aerosol Particles in an Improved Millikan Apparatus Aerosol Science and Technology 4 2...

Page 204: ...4 Hussin A H G Scheibel K H Becker and J Porstendörfer 1983 Bipolar Diffusion Charging of Aerosol Particles I Experimental Results Within the Diameter Range of 4 30 nm Journal of Aerosol Science 14 671 I ISO 15900 2009 Determination of particle size distribution Differential electrical mobility analysis for aerosol particles ISO TC 24 SC 4 K Kim J H G W Mulholland S R Kukuck and D Y H Pui 2005 Sli...

Page 205: ...n Factor for Small Particles in Nine Common Gases Journal of Aerosol Science 21 161 168 Reineking A and Porstendörfer J 1986 Measurements of Particle Loss Functions in a Differential Mobility Analyzer TSI Model 3071 for Different Flow Rates Aerosol Science and Technology 5 483 486 Rohmann H 1923 Z Phys 18 188 S Sem G J P B Keady and F R Quant 1983 High Resolution Size Distribution Measurements of ...

Page 206: ...Techniques and Applications New York Van Nostrand Reinhold 26 28 Wiedensohler A 1988 Technical Note An Approximation of the Bipolar Charge Distribution for Particles in the Submicron Range Journal of Aerosol Science 19 3 387 389 Wiedensohler A and H J Fissan 1988 Aerosol Charging in High Purity Gases Journal of Aerosol Science Vol 19 ...

Page 207: ...e now connected to the 3082 Type a command such as rdsn reads serial number to verify connectivity To communicate to the instrument using a terminal emulation program such as HyperTerminal follow these instructions 1 With the instrument on plug a USB cable into the USB B port on the back panel of the classifier 2 Connect the other end of the cable to a USB port on your computer 3 Open a terminal e...

Page 208: ...alysis and graphing Note When the terminal emulation software is connected and running if you press the Enter key you see an ERROR response from the classifier in the terminal emulation software This is because although the classifier and computer are communicating the command is not understood You can ignore this error message it is only used for testing the connectivity F i r m w a r e C o m m a...

Page 209: ...trometer scan DOREGSAVE Saves stored parameters DOSHUTDOWN Shuts down the instrument DOSAVEDMAEEPROM Saves DMA parameters to EEPROM on bottom of DMA if 3082 compatible DMA is installed Read Commands RDSN Read Data Serial Number Reads the Electrostatic Classifier serial number Example RDSN returns formatted text of 1 19 characters such as 30821311001 RDMN Read Data Model Number Reads the Electrosta...

Page 210: ...rol of Classifier RSCONTROL returns information about classifier control Example RSCONTROL returns OPEN AIM or GUI where OPEN classifier control AIM Aerosol Instrument Manager software control GUI display screen control RSGPIODIGOUT0 Reads GPIO Digital Output 0 RSGPIODIGOUT0 returns the setpoint GPIO digital output 0 Example RSGPIODIGOUT0 returns the values 0 or 1 where 0 digital low and 1 digital...

Page 211: ...measurement of the sheath absolute pressure Example RMIMPDP returns the pressure in kPa RMSHRH Read Sheath Relative Humidity RMSHRH returns the measurement of the sheath relative humidity Example RMSHRH returns the relative humidity in RMCASETEMP Read Case Temperature RMCASETEMP returns the case temperature Example RMCASETEMP returns the temperature in C RMSHTEMP Read Sheath Flow Temperature RMSHT...

Page 212: ...88 present and not ionizing 3 3088 present and ionizing 4 6 0 Detector not present 1 3772 present 2 3775 present 3 3776 present 4 3787 present 5 3788 present 7 9 0 DMA not present 1 3081A present 2 3085A present 3 Custom 10 0 USB drive not present 1 USB drive present 11 12 0 Impactor not present 1 0 457 Impactor present 2 0 508 Impactor present 3 0 710 Impactor present 13 0 Classifier last calibra...

Page 213: ... 75 kPa 4 No DMA detected 5 Sheath flow rate 2 greater than setpoint for longer than 30 seconds 6 High voltage outside range of setpoint 7 Built in self test failed 8 Case temp 50 C or 5 C 9 X ray and radioactive neutralizer both installed 10 X ray runtime hours too high 11 Corrupt detector data 12 N A 13 N A 14 N A 15 N A 16 aP sensor 17 kPa and 128 kPa 17 N A 18 Blower over current 19 Detector e...

Page 214: ...ParticleCounts Deadtime in microseconds RMIMPFLOW Read Impactor Flow RMIMPFLOW reads flow rate as measured by the dP sensor across the impactor Only valid if 3082 compatible impactor is installed Write Commands WDTIME Write Time Sets the time using the format hh mm ss Example WDTIME 15 01 00 sets the time to 3 01 pm and returns OK WDDATE Write Date Sets the date using the format mm dd yyyy Example...

Page 215: ...DMA Model Number WSDMAMN sets DMA model number Saves to EEPROM on bottom of 3082 compatible DMA Should be followed by a DOSAVEDMAEEPROM Note that the suffix A is not used Example WSDMAMN 3085 sets model number to 3085 WSDMASN Write DMA Serial Number WSDMASN sets DMA serial number Saves to EEPROM on bottom of 3082 compatible DMA Should be followed by a DOSAVEDMAEEPROM Example WSDMASN 3085114501 set...

Page 216: ...OREGSAVE Example WSCUSTOMDMATYPE 1 sets custom DMA type to cylindrical Help Commands HELP General help command HELP command gives more information about a command or type of command DO list of DO commands and their definitions RD list of RD commands and their definitions RS list of RS commands and their definitions RM list of RM commands and their definitions WD list of WD commands and their defin...

Page 217: ... and y axis settings menus 6 29 case temp error 6 27 caution symbol viii change filters 6 9 charger A 2 A 3 charging theory B 8 chemical safety vii circuit boards 4 8 display PCB 4 8 high voltage PCB 4 8 main PCB 4 8 sensor PCB 4 8 circular tube penetration efficiency B 18 classifier mode 5 2 5 7 classifier not powering on automatically after shut down 6 28 classifier screen 5 51 cleaning impactor...

Page 218: ...supply 4 6 4 10 sheath flow blower 4 5 lead shielding 2 6 lifting warning 2 1 logging data 5 33 logging options screen 5 34 maintenance 6 1 moving 3 1 operating 5 2 operation 5 1 overview 1 1 packing list 2 1 powering on 2 38 product overview 1 1 properties hardware tab 5 24 properties screen 5 24 5 25 properties tab 5 19 removing cover 6 8 schematic 1 4 setup 2 5 shipping 3 1 shutoff 5 53 side pa...

Page 219: ...2 long DMA electrodes cleaning 6 13 low sample flow warning 6 26 lowest channels return zero even though CPC is counting particles 6 29 M main screen 5 7 5 10 classifier mode button 5 7 current date and time 5 7 5 10 diagnostics button 5 7 information 5 7 setup button 5 7 5 10 SMPS configuration 5 7 5 10 smps mode button 5 10 SMPS mode button 5 7 status icons 5 7 5 10 title bar 5 7 5 10 maintenanc...

Page 220: ...ort file 5 36 sample time stamps in Aerosol Instrument Manager software export files do not match expected actual time 6 30 saved logged data 5 38 scan field 5 21 scan options 5 20 5 22 scan size range min max 5 13 scan statistics pane 5 16 scan status bar 5 15 scan tab 5 20 5 22 Scanning Electrical Mobility Spectrometer SEMS B 2 schedule tab external trigger 5 23 note 5 23 number of samples 5 22 ...

Page 221: ... upper flow manifold 6 11 USB communication 2 36 USB device not recognized by the 3082 6 29 USB flash drive not recognized 6 28 USB port 4 9 4 10 user calibration screen 5 47 user recalibration 6 25 V vacuum grease 6 6 ventilation requirements 2 4 view boundaries 5 13 viewing properties 5 19 viewing settings 5 17 voltage warning 4 1 W warning symbol viii warranty iii weight A 3 wetted material 4 1...

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Page 223: ...manual according to the following features Good Adequate Poor Readability Accuracy Completeness is everything there Organization finding what you need Quality and number of illustrations Quality and number of examples Comments ____________________________________________________________________________ _____________________________________________________________________________________ __________...

Page 224: ......

Page 225: ... more information USA Tel 1 800 874 2811 UK Tel 44 149 4 459200 France Tel 33 1 41 19 21 99 Germany Tel 49 241 523030 India Tel 91 80 67877200 China Tel 86 10 8219 7688 Singapore Tel 65 6595 6388 P N 6006760 Rev C 2016 TSI Incorporated Printed in U S A ...

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