TSI Instruments 3786 Operation And Service Manual Download Page 75

Page: 75 / 83

Firmware Commands

B-17

Example D Record:

D,2,0,2.27e3,6.0,5.875,66784,0,308

S Record (status)

S, FL, AP,GT,OT,CT

Status Record Identifier

Aerosol flow rate in cm

/min

Absolute Pressure in millibar

Saturator Temperature in degrees Celsius

Growth tube Temperature in degrees Celsius

Optics Temperature in degrees Celsius

Example S Record:

S,300,970,12.0,75.0,75.0

Z Record (scanning data)

Z,Mode,Flags,RN,N0,N1… ,N9

Z Record

Identifier

Mode Current Operating mode (5 or 6)
Flags See status flags
RN

Record number - (1 to 600)

Equivalent number of particles counted in tenth second (0 to 99999999) based on live-
corrected counts or the photometric value.

Example Z record:

Z,5,0,12,0,0,0,12,182,518,641,896,887,871

A Record (raw analog -- diagnostic only)

A,a,b,c,d,e,f,g,h,i,j,k,l,m,n,o

A Record

Identifier

a-o raw analog values (bits)

Example A record:

A,2382,3194,1,1108,4095,4095,2735,1284,518,641,896,2278,821,819,1958

C Record (flow and temperature control - diagnostic only)

C,a,b,c,d,e,f,g,h,i,j,k,l

C Record

Identifier

a - l control bit values

Example C record:

C,2413,2422,2166,2276,2276,1468,821,820,2894,821,820,1011,2210,2222,2012

Summary of Contents for 3786

Page 1: ...Model 3786 Ultrafine Water based Condensation Particle Counter Operation and Service Manual P N 1930072 Revision B April 2005 P a r t i c l e I n s t r u m e n t s ...

Page 2: ......

Page 3: ...packing and Setting Up the UWCPC 2 Model 3786 Ultrafine Water based Condensation Particle Counter Instrument Operation 3 Operation and Service Manual Data Collection 4 Maintenance and Troubleshooting 5 Appendixes and Index ...

Page 4: ...anual History ii The following is a history of the Model 3786 Ultrafine Water based Condensation Particle Counter UWCPC Operation and Service Manual P N 1930072 Revision Date A January 2005 B April 2005 ...

Page 5: ...OF all other warranties and is subject to the LIMITATIONS stated herein NO OTHER EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR PARTICULAR PURPOSE OR MERCHANTABILITY IS MADE TO THE EXTENT PERMITTED BY LAW THE EXCLUSIVE REMEDY OF THE USER OR BUYER AND THE LIMIT OF SELLER S LIABILITY FOR ANY AND ALL LOSSES INJURIES OR DAMAGES CONCERNING THE GOODS INCLUDING CLAIMS BASED ON CONTRACT NEGLIGENCE TORT STRICT...

Page 6: ......

Page 7: ...nstrument D e s c r i p t i o n o f C a u t i o n S y m b o l The following symbol and an appropriate caution statement are used throughout the manual and on the UWCPC to draw attention to any steps that require cautionary measures when working with the Model 3786 Caution C a u t i o n Caution means be careful It means if you do not follow the procedures prescribed in this manual you may do someth...

Page 8: ...e the instrument Warns of hazardous laser radiation if the optical assembly is opened and the instrument is powered The optical assembly is not user serviceable Indicates the connection is connected to earth ground and cabinet ground This device is a Class I laser product as defined by U S Department of Health and Human Services standards under the Radiation Control for Health and Safety Act of 19...

Page 9: ... on the back of the instrument and on interior components Labels are described below 1 Serial Number Label back panel TSI Label with Model 3786 2 Customer Service Label back panel 3 Laser Radiation Symbol Label located internally on the optical detector assembly 4 Class 1 Laser Label back panel ...

Page 10: ......

Page 11: ...ew 1 1 Product Description 1 1 Acknowlegement 1 2 How it Works 1 3 Concentration Calculations 1 5 2 Unpacking and Setting Up the UWCPC 2 1 Packing List 2 1 Unpacking 2 2 Setting Up 2 2 Transporting 2 5 Local Transporting 2 5 Shipping and Storage 2 6 3 Instrument Operation 3 1 The Display 3 1 Primary Concentration Screen 3 1 Bar Graph Screen 3 2 Status Screen 3 2 Totalizer 3 3 Status Indicator Ligh...

Page 12: ...roubleshooting 5 1 Replacing Wick 5 1 Flow Calibration 5 1 Troubleshooting 5 3 Water in the Sample Inlet 5 4 Little or No Water Flows During Drain Cycle 5 4 Water Spurts Out of Pump Exhaust 5 5 High or Low Photometric Readings 5 6 Rapidly Flashing Status Indicator Laser 5 7 Technical Contacts 5 7 Returning the UWCPC for Service 5 8 A p p e n d i x e s A Specifications A 1 B Firmware Commands B 1 C...

Page 13: ...ttle Connection 2 6 2 5 Tipping the UWCPC During Drain Cycle for More Complete Drain of the Reservoir 2 8 2 6 Location and Removal of Reservoir Cover 2 9 4 1 UWCPC Data Communications Diagram 4 2 5 1 Location of Purge Flow Line 5 2 T a b l e s 2 1 Components of the Ultrafine Water based Condensation Particle Counter 2 1 2 2 Replacement Parts for the Ultrafine Water based Condensation Particle Coun...

Page 14: ......

Page 15: ...er 1933763 TSI Incorporated Model 3025A Ultrafine Condensation Particle Counter Instruction Manual part number 1933762 TSI Incorporated Model 3760A 3762 Condensation Particle Counter Instruction Manual part number 1933772 TSI Incorporated Model 3782 Water based Condensation Particle Counter Operation and Service Manual part number 1930073 TSI Incorporated Model 3785 Water based Condensation Partic...

Page 16: ...e comment sheet on the last page of this manual to send us your opinion on the manual s usability to suggest specific improvements or to report any technical errors If the comment sheet has already been used please mail fax or email your comments on another sheet of paper to TSI Incorporated 500 Cardigan Road Shoreview MN 55126 USA Fax 651 490 3824 Email particle tsi com ...

Page 17: ...asurement of ultrafine particles in air Features include Uses water as a working fluid Detects particles down to 2 5 nm at a high aerosol flow rate of 0 3 L min Fast response to change in aerosol concentration T95 2 seconds Sheath air flow design minimizes diffusion losses and produces a sharp lower cut point Single particle counting with continuous live time coincidence correction for maximum acc...

Page 18: ...er based condensation principle on which this product is based is patented1 technology licensed from Aerosol Dynamics Inc of Berkeley CA We give our sincere thanks to Susanne V Hering PhD and Mark R Stolzenburg PhD for their invention their clever insights to this unique technology their numerical models and the gracious feedback they have provided during the development of this product 1 U S Pate...

Page 19: ...s a laminar flow path from the sample inlet to the optical detector Refer to Figure 1 2 for a diagram of the UWCPC flow system The aerosol enters the sample inlet and immediately half of the inlet flow is extracted filtered and then combined with the remaining sample flow as clean sheath air This combined flow enters a region surrounded with wetted media The aerosol stream is saturated with water ...

Page 20: ...1 4 Model 3786 Ultrafine Water based Condensation Particle Counter Figure 1 2 UWCPC Flow Diagram ...

Page 21: ...ber of particles per volume of air is Q T N C P P where CP is the particle concentration in particles cm3 NP is the number of particles counted T is the sample time Q is the aerosol flow rate in cm3 second The Totalizer uses the elapse time for the sample time in the above calculation to provide a useful way to acquire low particle concentration information on the display The number of particles i...

Page 22: ...ually in the measurement viewing volume and the accuracy of the live time measurement begins to diminish When the measured live time value drops below 40 of elapse real time the display will show an OVER annotation indicating that the measured concentration exceeds its specified operating range When the live time value drops below 10 of elapse time the display will show a concentration of 9 99E5 p...

Page 23: ...the following parts 1 UWCPC Wick 1608070 1 Model 3786 UWCPC Operation and Service Manual 1930072 1 Serial Cable RS 232 9 pin M F 962002 1 USB Cable I O A B 1303740 1 Fill Bottle Assembly 1210365 1 Drain Bottle Assembly 1210366 2 Drain Vent Tubes with Mating Connectors N A 1 Power Cord N A The 3786 PC is shipped with the PC 104 Single Board Computer installed in the UWCPC cabinet The UWCPC is shipp...

Page 24: ... UWCPC to TSI Incorporated Important This instrument operates using water as a working fluid The instrument can tolerate tipping of up to ten degrees during normal operation Perform the procedures outlined in the Transporting section before moving or shipping the instrument Examples of improper handling include Shipping an undried instrument Transporting an undrained instrument Excessive tipping b...

Page 25: ...ver exit end of the Sample Inlet assembly d Slide growth tube wick into the UWCPC and press to seat the O ring seal e Tighten the thumbscrews securing the Sample Inlet assembly Figure 2 1 Location of UWCPC Wick on Sample Inlet Assembly Figure 2 2 Installation of UWCPC Wick on Sample Inlet Assembly 3 Attach the water source a Fill water source bottle with distilled water Tap water is not recommende...

Page 26: ...ess the Drain Prime button a second time to select the Prime Growth Tube function d Press and hold the Drain Prime button for at least one second to activate the water priming function which will begin a sequence of twenty water injections e Each further press of the Drain Prime button adds to the number of injections that will be performed Press the Drain Prime button several more times to increa...

Page 27: ...rument for shipping and storage Local Transporting The following procedure may be used to transport the UWCPC over short distances such as across a lab down the hall on a cart and even a short drive in a vehicle as long as the instrument is not subjected to tipping of more than 45 degrees or prolonged freezing temperatures 1 Disconnect any connections to the Sample Inlet 2 Turn on the UWCPC 3 Drai...

Page 28: ...ng Figure 2 4 Drain Bottle Connection Shipping and Storage The following procedure must be used in cases where the UWCPC must be shipped stored or subjected to freezing temperatures The instrument must be dried using the following procedure 1 Disconnect any connections to the Sample Inlet 2 Remove the source water bottle and dry completely 3 Turn on the UWCPC and let it complete its warm up cycle ...

Page 29: ...e that the water injection pump makes more noise when operated dry this is normal 5 Drain the UWCPC a Connect a drain bottle to the Drain connector on the back panel of the UWCPC b Press the Drain Prime button on the front panel of the UWCPC to bring up the drain menu c Press and hold the Drain Prime button to active the drain cycle Let the water drain from the reservoir for the one minute drain c...

Page 30: ... this near the edge of the table so the growth tube wick can be removed by sliding it down over the table edge b Remove the wick from the Inlet assembly Allow the wick to air dry and store in a plastic bag with the UWCPC accessories c Reinstall the Sample Inlet assembly without the wick and tighten the thumbscrews 8 Drain and dry the reservoir a Make sure the UWCPC is turned off and the power cord...

Page 31: ... using the eight screws indicated in Figure 2 6 e Tip the UWCPC up on its feet and lay it down on its opposite side to allow the water in the drain lines to purge f Dry the reservoir and the cover completely g Reinstall the reservoir cover being careful to fit the O ring in place h Set the instrument back in its upright position 9 Final drying a Connect power cord and turn on UWCPC b Once warm up ...

Page 32: ......

Page 33: ...d each second with an indication of the particle concentration Displayed values range from 0 00 particles cm3 to 9 99e5 particles cm3 For concentrations of 20 0 particles cm3 or higher the display value is calculated on data measured over the previous second For concentrations less than 20 0 particles cm3 six seconds of particle count data is used in the calculation of particle concentration At th...

Page 34: ...ommand in the Communications section the time associated with each horizontal bar will changed to match the new setting If the data collection mode is turned off SM 0 command no data will be available to graph and the Bar Graph screen will not be available for viewing The Bar Graph display also allows a convenient means to monitor data being reported over the communications interface Status Screen...

Page 35: ...ed time Pressing the button a second time will stop the counter and the timer holding the current count time totals and the calculated concentration Pressing the button a third time will clear the Totalizer preparing it for a new sample Subsequent presses of the Totalizer button will repeat the Run Stop and Reset sequence 2 59 cm3 454 particles 35 0 seconds The totalizer function is intended for l...

Page 36: ...s fast 3 sec when the internal laser is either turned off or otherwise not able to operate at its required power output setting Flow The flow indicator displays a steady glow when the current aerosol flow rate is within ten percent of its nominal value of 300 cm3 minute The light will rapidly flash when the flow exceeds 110 of its nominal flow and it will flash slowly if the flow rate drops below ...

Page 37: ...resume that state after the warm up cycle The Flow indicator light on the front panel provides an indication of the pump and flow status When operating a flashing Flow indicator results from the inability of the pumping system to maintain the calibrated flow This may be the result of excessive pressure variations at the sample inlet Inlet flow is feedback controlled to maintain a steady calibrated...

Page 38: ...bout a day to over eight days Also since the recycled water comes from the reservoir it will only need draining about once a week instead of once a day for the non recycling mode During the recycling mode approximately 20 of the water is always taken from the Fill Bottle to ensure that there is always water present in the reservoir Regardless of the source mode the reservoir will eventually fill a...

Page 39: ... menu Recycle Manual Recycle Auto Drain Auto Drain and Continuous Drain These modes can also be selected through firmware commands In Manual drain mode the UWCPC will only perform a drain cycle when initiated through the front panel Drain Prime menu or by command through a data port When operating in Automatic drain mode the UWCPC will begin a drain cycle when the level sensor detects that the res...

Page 40: ...c t i o n The Sample Inlet is located on the back of the UWCPC Turn off the pump before connecting or disconnecting sample sources Keep sample lines as short as possible Use of metallic or conductive sample lines is recommended to reduce particle losses due to electrostatics Avoid larger pressure restrictions 25 cm water at 0 6 L min or sample sources with pulsating pressure ...

Page 41: ...connector on the back panel of the UWCPC The connector pin out is given in Table 4 1 USB Universal Serial Bus communications This interface provides an alternate path for the serial interface mentioned above To a host computer this interface acts like an additional serial port to the computer PC 104 Serial Serial communications to the optional internal PC 104 SBC PC 104 Com1 PC 104 Ethernet Ethern...

Page 42: ...hen the USB link is terminated disconnected the Serial port can be again used to provide input to the UWCPC Figure 4 1 UWCPC Data Communications Diagram The UWCPC can receive serial data commands from the Internal Com and from either the Serial or the USB Port but not both The UWCPC uses a single receive buffer for communications so care must be taken to ensure that commands are not sent simultane...

Page 43: ...following steps to install the Windows USB driver 1 Download the driver FT232BM VCP 2 Extract unzip the driver into a blank folder 3 Connect the computer to the UWCPC USB port 4 Follow the Add New Hardware Wizard steps and browse to the folder containing the extracted driver 5 If the Wizard does not start use the Add Hardware function from the Control Panel USB device drivers for the Linux Kernel ...

Page 44: ...s are terminated with a carriage return CR All input Line feeds LF codes are ignored T e r m i n a l C o m m u n i c a t i o n s Once the Serial or USB connection is made between the UWCPC and a host computer a terminal program may be used to communicate with the instrument Terminal emulation software that can be used includes Tera Term a free software terminal emulator for MS Windows available at...

Page 45: ...operation and data reporting options of the UWCPC The most immediately useful command is the SM Set Mode command which controls what data is reported and its frequency The power up default mode is SM 2 60 which implies sending a data D record continuously at the rate of once every sixty tenths of a second Once data is being reported to the screen of the terminal software it is quite straightforwar...

Page 46: ...ork cable The Ethernet configuration may be changed to provide a static IP address using the start up configuration routine provided The terminal emulation program minicom has been configured to use one of serial ports dev ttyS1 to communicate with the UWCPC through an internal connection This program may be used to test operation with the UWCPC and even to capture data It should be noted that the...

Page 47: ...C can receive and send data from two different channels the Serial USB source and the Internal Com between the microcontroller and the SBC Commands received and executed on one channel are responded to on that same channel Likewise the data records reported as the result of an SM firmware command are returned on whatever channel that instigated it ...

Page 48: ......

Page 49: ...e bottom of the instrument Wipe out any residue from the reservoir with a wet cloth Reinstall the reservoir cover making sure the O rings are properly seated F l o w C a l i b r a t i o n The inlet and sheath flows of the UWCPC are feedback controlled to set point values stored in non volatile memory The inlet flow can be readily checked by connecting a volumetric flow meter to the sample inlet an...

Page 50: ...e of purge flow is not critical but the change in flow measured by pinching off the purge line indicates that the line is working and is unobstructed The flow measurement should be made only when the instrument has been warmed up and running for at least 15 minutes Also the instrument must be fully primed to ensure the internal water trap is filled Remember to reconnect the sheath flow back to the...

Page 51: ...essary to see changes in the flow meter reading depending on its sensitivity The sheath flow calibration set point value can be queried and changed in a like manner using the SHS Set sHeath Set point command For example Command Response SFS 1250 UWCPC returns current flow set point value SFS 1260 OK UWCPC accepts new set point and increases flow rate SFS 1260 UWCPC returns new flow set point The s...

Page 52: ...f water flow from the drain port during a drain cycle is an indication that some reduced pressure exists on the sample inlet or little or no water is in the reservoir Water in the drain tube connecting the UWCPC to the drain bottle can also impede draining The Drain bottle must be positioned below the instrument level to allow proper draining Remove any connection to the sample inlet and reinitiat...

Page 53: ...ations will cause water to enter the air flow system downstream of the water separator Water in these lines needs to be removed before a controlled sample flow can be maintained Performing the following steps will generally clear the lines and restore normal operation 1 Turn off the pump and disconnect any connections to the Sample Inlet 2 Remove the wick and disconnect the Fill Bottle 3 Connect D...

Page 54: ...ed to the UWCPC that is running a terminal emulation program The command SL 0 will Set Laser to off and a SL 1 command will turn the laser on Powering up the instrument will also turn on the laser When the laser is turned off there is no background light so if the baseline photometric value returns to a normal range it is likely that water or other contaminates are present in the optical system Ap...

Page 55: ...aves the laser off when this condition is detected The laser is no longer able to provide the power necessary for proper operations and needs to be replaced The laser diode is not a user replaceable part contact TSI Customer Service for repair T e c h n i c a l C o n t a c t s If you have difficulty setting up or operating the Model 3786 UWCPC or if you have technical or application questions cont...

Page 56: ...you call or use the on line form The instrument model number The instrument serial number A purchase order number unless under warranty A billing address A shipping address Use the original packing material to return the instrument to TSI If you no longer have the original packing material seal off any ports to prevent debris from entering the instrument and ensure that the indicator lights and th...

Page 57: ...ressure Operating Range Inlet Pressure Gauge 0 3 L min nominal 0 3 0 03 L min 0 6 0 03 L min Two internal pumps controlled to calibrated pressure drop across orifice with inlet pressure correction Two internal diaphragm pumps 50 to 110 kPa 0 5 to 1 1 atm 2 5 kPa 10 in of water Condensing Liquid Filling system Water distilled water recommended Internal liquid injection valve with water recycling ca...

Page 58: ...PC 104 Com1 Connector USB connector Com Port connector Power Connector Water Source connector Vent connector normally closed Water Drain connector Pump Exhaust connector Aerosol Inlet OD SS tube Analog Output BNC Calibration Interval Recommended Annually Power requirements 100 230 VAC 50 60 Hz 125 VA Dimensions HWD 31 cm 16 cm 28 cm 12 in 6 in 11 in not including fill bottle or bracket Weight dry ...

Page 59: ...t Detector Offset SDT Set Detector Threshold SFS Set Flow Set point SFZ Set Flow Zero value SG Set Growth heater on off SGS Set Growth tube temperature Set point SHS Set sHeath flow Set point SIP Set Injection Prime SIT Set Injection Time interval SL Set Laser on off SLM Set Live time Minimum value SLS Set Laser Set point SM x t Set Mode x mode t sample time SO Set Optics heater on off SOS Set Opt...

Page 60: ... Read Record Analog This command returns the current raw analog values in the A record format see below This command is intended for diagnostic use only Command RRA Response A Record see Data Reporting Records section in this Appendix RRC Read Record Control This command returns the current control values in the C record format see below This command is intended for diagnostic use only Command RRC...

Page 61: ...ime minutes Example RTO Read power on time Response 456 40 456 hours and 40 minutes RV Read Version This command returns the instruments Model number firmware revision and its serial number Command RV Read Version command Response Model 3876 Ver v vv S N nnnn v vv ranges 0 01 to 9 99 3 digits nnnn ranges 100 to 99999999 Example RV Read Version Response Model 3876 Ver 2 01 S N 12453348 ...

Page 62: ...e calibration of the instrument and possible damage Use extreme care when executing Set commands SAS Set Absolute Pressure Scale Factor This command is used to calibrate the absolute pressure sensor The supplied parameter is stored internally as a gain factor The nominal value for the parameter is 1000 Command SAS x Set Absolute pressure sensor scale factor 500 to 1500 Response OK Example SAS 1020...

Page 63: ...drain mode to 1 will initiate a drain cycle Once the one minute cycle is complete the drain mode will automatically be switched back to the previous setting Setting the drain mode to 0 will cancel any current drain cycle In this mode the reservoir can be drained when initiated by the front panel drain button or setting the drain mode to a non zero value 2 Recycle Mode Setting the drain mode to 2 a...

Page 64: ...y set the offset or to read its current value Command SDO xxxx Set Detector Offset command xxxx ranges 0 to 4095 2048 is nominal Response OK Example SDO 2200 Command OK Response SDO Command 2200 Response echoing current offset control value of 2200 SDT Set Detector Threshold This command sets the threshold value in millivolts for particle pulse detection or returns the value of the current setting...

Page 65: ...o This command is used to set the flow control zero value When issued with a parameter this command uses that parameter as the zero value for the flow system When issued without a parameter the command echoes the current flow zero value The flow zero value is normally set using the SZ command so this command is seldom needed to actually set the flow zero point value Command SFZ xxx Command to set ...

Page 66: ...t with which to control pump The differential orifice pressure is compared to the control point and adjustments are made to the pump drive to maintain a match between the two The actual control point is compensated by the current value of the Absolute Pressure sensor to compensate for inlet pressure Command SHS xxxx Command to set flow control set point x 0 to 4095 Response OK Example SHS 2990 Com...

Page 67: ...the instrument is first powered up Command SL x Command to set laser on or off x 0 turns laser off x 1 turns laser on Response OK Example SL 0 Command turns laser off OK Response SL Command to read back the current setting 0 Response indicates laser is off SLM Set Live time Minimum This command sets minimum amount of live time in proportion to elapse time allowed before the OVER annotation is show...

Page 68: ...ollection mode for the instrument along with the sample interval There are six data collection modes as follows Mode Description 0 Idle No data collection The D record holds the last data taken 1 Collect one sample interval of data and report D record at completion 2 Continuously collect data and report data at end of every sample interval 3 Like mode 1 but also includes an S record report at end ...

Page 69: ...e are a starting voltage VMin in microvolts 1000 to 10 000 000 a scanning constant number τ in milliseconds 100 to 1 000 000 a front porch time in seconds 0 to 600 and a back porch time in seconds 0 to 600 The scanning mode provides a ramped analog output voltage in synchronous with particle data collection During a scanning sample Z records are reported every second that includes ten particle cou...

Page 70: ...ays in the on condition when the instrument is first powered up Command SO x Command to set optics tube heater on or off x 0 turns heater off x 1 turns heater on Response OK Example SO 0 Command turns heater off OK Response SO Command to read back the current setting 0 Response indicates heater is off SOS Set Optics Temperature Set point This command sets the control temperature set point for the ...

Page 71: ... Command SS x Command to set saturator controller on or off x 0 turns controller x 1 turns controller on Response OK Example SS 0 Command turns controller off OK Response SS Command to read back the current setting 0 Response indicates controller is off SSS Set Saturator Temperature Set Point This command sets the control temperature set point for the saturator section of the UWCPC The set point t...

Page 72: ...oltage Command SVS xxx Command to set analog voltage span value xxx 1 to 65535 Response OK Response Example SVS 3276 Command to set analog voltage span to 3276 OK Response SVS Command to read back the current setting 3276 Response SVZ Set Analog Voltage Zero This command sets the analog output zero levels Command SVZ hhh lll Command to set high and low analog output zero level hhh 0 to 4095 lll 0 ...

Page 73: ...on Response c d l h Response c change in offset bits d current detector offset bits l dead time zero value bits h dead time span value bits Example SZ 1 Command to run auto zero function 100 2900 23 3370 Response SZ Command to read back the current values 0 2900 23 3370 Response ...

Page 74: ...ing the sample 200 The laser power was out of range for some portion of the sample 400 UWCPC in warm up period 1000 Set during front porch period of a scanning sample 2000 Set during the back porch period of a scanning sample CN Aggregated Concentration This concentration value is calculated by dividing the accumulated aggregate counts by the live time of the sample 5 0 The aggregated counts and l...

Page 75: ...g mode 5 or 6 Flags See status flags RN Record number 1 to 600 Nx Equivalent number of particles counted in tenth second 0 to 99999999 based on live corrected counts or the photometric value Example Z record Z 5 0 12 0 0 0 12 182 518 641 896 887 871 A Record raw analog diagnostic only A a b c d e f g h i j k l m n o A Record Identifier a o raw analog values bits Example A record A 2382 3194 1 1108...

Page 76: ......

Page 77: ...ecord B 16 S record B 17 Z record B 17 dimensions A 2 display 3 1 A 2 drain bottle connecting 2 6 drain cycle troubleshooting 5 4 drain modes 3 7 drain UWCPC 2 7 drain prime button 2 4 2 7 draining reservoir 2 8 E environmental conditions A 2 F false background counts A 1 fax number iii fill bottle connection 2 4 firmware commands B 1 quick reference B 1 flow A 1 flow calibration 5 1 flow control ...

Page 78: ...en 3 1 priming instrument 2 4 product literature xiii overview 1 1 pump exhaust troubleshooting 5 5 purge flow line location 5 2 R read commands B 2 read displayed concentration B 2 read laser B 2 read record analog B 2 read record control B 2 read record data B 2 read record status B 2 read time on B 3 read version B 3 reader s comments B 1 removing protective cap on sample inlet 2 2 removing wic...

Page 79: ...shipping 2 6 specifications A 1 status indicator rapidly flashing 5 7 status indicator light 3 4 status screen 3 2 storage 2 6 T technical contacts 5 7 Tera Term 4 4 terminal communications 4 4 totalizer 3 3 transporting UWCPC 2 5 troubleshooting 5 1 5 3 TSI address iii U V unpacking 2 1 2 2 USB driver software 4 3 UWCPC see Model 3786 W warning symbols vi water in sample inlet 5 4 water system 3 ...

Page 80: ......

Page 81: ...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 82: ......

Search results

Summary of Contents for 3786

Reviews:

Related manuals for 3786

Brands by name

Popular brands

TSI Instruments 3786, Operation And Service Manual

Search results

Summary of Contents for 3786

Reviews:

Related manuals for 3786

Brands by name

Popular brands