TSI Instruments DustTrak 8520 Operation And Service Manual Download Page 1

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E x p o s u r e M o n i t o r i n g

Model 8520

UST

RAK

™ Aerosol Monitor

RAK

™ Data Analysis Software enclosed

Operation and Service Manual

1980198, Revision S

June 2010

Summary of Contents for DustTrak 8520

Page 1: ...E x p o s u r e M o n i t o r i n g Model 8520 DUSTTRAK Aerosol Monitor TRAKPRO Data Analysis Software enclosed Operation and Service Manual 1980198 Revision S June 2010 ...

Page 2: ......

Page 3: ...ual 1980198 Revision S June 2010 SHIP MAIL TO TSI Incorporated 500 Cardigan Road Shoreview MN 55126 3996 USA U S Technical Support 800 874 2811 651 490 2811 Fax 651 490 3824 E mail address answers tsi com Website http www tsi com INTERNATIONAL Technical Support 001 651 490 2811 Fax 001 651 490 3824 ...

Page 4: ...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 LI...

Page 5: ...Manually Setting the Real Time Clock 8 Connecting the Optional Portable Printer 8 Connecting Wiring the Analog Alarm Output Connector 9 3 OPERATION 11 Overview 11 DUSTTRAK Aerosol Monitor Keypad Functions 11 ON OFF Key 11 SAMPLE Key 12 TIME CONSTANT Key 12 Programming the Available Time Constants 13 STATISTICS Key 13 PRINT Key 14 SAMPLING MODE Key 14 Survey Mode 14 LOG Modes 15 CLEAR MEMORY Key 15...

Page 6: ...RAKPRO Software 34 Converting Stored Data to Calibrated Data 35 4 MAINTENANCE 37 Maintenance Schedule 37 Zero Checking Re Zeroing 38 Cleaning the 1 0 µm and 2 5 µm Inlet Conditioners 39 Cleaning the 10 µm Inlet and Sample Tube 40 Replacing the Internal Filters 41 Setting the Flow Rate 43 Cleaning the Cyclone 44 Storage Precautions 44 5 TROUBLESHOOTING 45 A SPECIFICATIONS 49 B MODEL 8520 1 DUSTTRAK...

Page 7: ...al Enclosure 65 Checklist for Sampling with the Environmental Enclosure 66 MAINTENANCE 67 Daily Maintenance Checks 67 Cleaning the Aerosol Inlet 67 Cleaning the Respirable Aerosol Inlet 67 When to Change the Battery 67 Replacing the Battery Pack 67 Recharging the Battery Packs 68 Battery Pack Life 68 Emptying the Water Trap 68 Storage Precautions 69 TROUBLESHOOTING THE ENVIRONMENTAL ENCLOSURE 70 S...

Page 8: ...the listed Application Notes contact TSI at U S 800 874 2811 651 490 2811 Fax 651 490 3824 International 001 651 490 2811 Fax 001 651 490 3824 These Application Notes can also be found under TSI s web site http www tsi com ...

Page 9: ...viceable parts inside this instrument Performing services other than those described in this manual may result in exposure to harmful invisible laser radiation A warning label like the one shown below is affixed to the internal laser device DANGER INVISIBLE LASER RADIATION WHEN OPEN AVOID DIRECT EXPOSURE TO BEAM WARNING NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL W A R ...

Page 10: ...vi ...

Page 11: ... V Eur CEE 7 16 230 V Great Britain 240 V Australian 2613033 2613078 800169 2613105 1 Data Analysis Software CD ROM 800700 1 Zero Filter 800663 1 Computer Cable 9 pin to RJ 45 800563 1 25 Pin to 9 Pin Serial Cable Adapter 962003 1 Model 8520 DUSTTRAK Aerosol Monitor Operation and Service Manual 1980198 1 Calibration Certificate 1 10 mm Nylon Dorr Oliver Cyclone 800665 1 Flowmeter 0 2 5 L min 80066...

Page 12: ... these components before proceeding Figure 1 1 Top and Front of the DUSTTRAK Monitor 1 Display 7 External Power Socket 2 Keypad 8 Sample Inlet Nozzle and Port 3 Battery Cover 9 Flow Adjustment Screw 4 Battery Cover Thumb Screw 10 Analog Output Alarm Connector 5 Data Port 11 Cyclone Holder Clip 6 Display Keypad Lockout Switch 12 Exhaust Port 2 1 3 4 5 6 7 8 9 11 12 10 ...

Page 13: ...owmeter 10 Cyclone 3 Wrist Strap 11 25 Pin to 9 Pin Adapter 4 2 5 µm Inlet Nozzle 12 Shoulder Strap 5 1 0 µm Inlet Nozzle 13 Sample Tube Cleaning Brush 6 Impactor Plate 14 Sample Tube Removal Tool 7 Grease 15 Internal Filter Elements 8 Computer Cable 16 Analog Alarm Cable not shown 1 2 3 8 9 10 11 12 13 14 15 4 5 6 7 ...

Page 14: ...Chapter 1 4 ...

Page 15: ... re install the battery cover see Figure 2 1 Figure 2 1 Tuck the Wires In and Close the Cover Using the AC Adapter The AC adapter allows you to power the DUSTTRAK monitor from an AC wall outlet When using the AC adapter the batteries if installed will be bypassed The AC adapter will not charge the batteries The DUSTTRAK monitor has an internal non user accessible battery that is used to keep logge...

Page 16: ...J 45 modular connector that connects with the logging instrument Serial port connectors always have pins male on the computer side 1 Locate an available serial port on your computer COM1 COM2 COM3 or COM4 2 If the port has a 25 pin connector you do not need the adapter If the port has a 9 pin connector plug the 25 pin end of the adapter into the RS 232 cable 3 Connect the RS 232 cable to the avail...

Page 17: ...n select Find Port to have the TRAKPRO software search the available COM ports looking for an attached DUSTTRAK monitor 6 Select OK to accept the setup or Cancel to discard the changes Note Some computers do not communicate reliably at baud rates above 9600 Setting the Real Time Clock The DUSTTRAK monitor has an internal real time clock that keeps track of the time of day The format is HH MM where...

Page 18: ...ime Clock To set the time and date with the keypad you must press and hold the SAMPLE key while the DUSTTRAK monitor displays the time of day during its power up Release when the DUSTTRAK monitor beeps You will have an opportunity to view and or change the hours minutes year month and day of month in sequence Use the up and down arrow keys to change a setting Use the SAMPLE key to store each setti...

Page 19: ...eatures The DUSTTRAK monitor is supplied with an output cable The cable contains a 4 pin mini DIN connector See Figure 2 2 below 1 Analog Ground 3 Alarm Positive 2 Analog Output 4 Alarm Ground Figure 2 2 Analog Alarm Connector Pin Outs Since every application of this function will have unique requirements the customer is responsible for making connections to their own equipment The output cable co...

Page 20: ...Chapter 2 10 ...

Page 21: ...does not beep the DUSTTRAK monitor does not allow that function during the selected sampling mode ON OFF Key Press the ON OFF key to power the DUSTTRAK monitor The DUSTTRAK monitor immediately begins an internal self check while illuminating all the display digits and symbols If a problem is detected the display shows the message SERVICE along with a number to indicate that the DUSTTRAK monitor re...

Page 22: ...ust ended TIME CONSTANT Key Momentarily press and release the TIME CONSTANT key to view the current time constant To change the time constant press and hold the key down The available time constant choices will scroll on the display When the desired value is displayed immediately release the key The time constant is actually an averaging period The DUSTTRAK monitor display is always updated every ...

Page 23: ... offer the time constants you have specified STATISTICS Key Use the STATISTICS key to sequentially view the average minimum and maximum readings as well as the elapsed time of the most recently sampled data If one of the LOG modes is active a test identification number will be displayed also Press the STATISTICS key once to display the average reading again to display the minimum reading again to ...

Page 24: ...ntout will be generated showing certain system information printer must be connected and turned on SAMPLING MODE Key The SAMPLING MODE key allows you to select among the four sampling modes Survey LOG 1 LOG 2 and LOG 3 Each time you press the SAMPLING MODE key the DUSTTRAK monitor sequences to the next mode When the DUSTTRAK monitor is in Survey mode the current measurement will be shown on the di...

Page 25: ... data to be added to the existing data using a new test ID CLEAR MEMORY Key Use the CLEAR MEMORY key to erase all data The CLEAR MEMORY key will not respond unless the DUSTTRAK monitor is first put into one of the three LOG modes by using the SAMPLING MODE key Note Before clearing memory you should first download the data to a computer through the TRAKPRO software There is only one block of memory...

Page 26: ...LOG 1 mode are 1 second 1 minute 5 minutes 15 minutes and 30 minutes Use the TRAKPRO Data Analysis Software to alter these values Programming the Logging Intervals using TRAKPRO Software To program the list of logging intervals available for LOG 1 mode 1 Make sure the DUSTTRAK monitor is connected to the computer and turned on 2 Select Parameters then Logging Intervals from the Instrument Setup me...

Page 27: ... go into lockout mode There are two ways to use the lockout switch You can lock the keypad after recording starts or you can put the switch into the lockout position prior to when recording starts If you select the second method you will be able to operate all functions normally until the SAMPLE key is pressed in one of the LOG modes At that time the keypad automatically locks When the display and...

Page 28: ... trapped while smaller particles stay in the air stream and pass through When using the cyclone you can assume that all particles smaller than the cut off size pass through and all larger particles become trapped in the grit pot The cut off size for any cyclone is dependent on flow rate It is very important that the sample flow rate through the DUSTTRAK monitor be set at 1 7 liters per minute L mi...

Page 29: ...lateau of the blue impactor plate with a thin layer of the supplied grease Figure 3 3 Avoid getting the grease on other parts of the impactor plate If you do simply wipe off the extra Notes Do not use grease other than that supplied with this kit This grease has been chosen for its low outgassing and good wicking properties to hold a large mass of particles The grease on the impactor plate increas...

Page 30: ... Conditioners Because of the much higher percentage of particles being removed from the stream when using the smaller cut size inlets you will need to clean the inlet more frequently than for the standard 10 µm nozzle black See maintenance schedule in Chapter 4 for the inlet cleaning frequency Using the 10 µm Nozzle 1 Remove the blue nozzle and blue impactor plate Note The blue impactor plate must...

Page 31: ...lect the appropriate range before using the analog output feature The instrument may be programmed to one of four options using the TRAKPRO software When shipped from the factory the instrument is programmed to the lowest range To select the analog output range do the following 1 Turn on the DUSTTRAK monitor and start the TRAKPRO software version 3 2 or higher 2 Select Parameters Analog Output fro...

Page 32: ...may want to choose the second or third range If the DUSTTRAK monitor measures mass concentrations that are greater than the selected range the analog voltage will rail at 5 0 volts maximum output no change in signal beyond that point All of the ranges are referenced back to zero mg m3 Alarm Output Newer models of the DUSTTRAK Aerosol Monitor contain an alarm output feature This means the instrumen...

Page 33: ...h must not be wired to AC power Failure to properly install the user alarm could damage the DUSTTRAK instrument and or void the instrument warranty Please read and follow all instructions before wiring or operating the user alarm The alarm switch contained within the DUSTTRAK monitor has an electrical polarity It must be wired with the supply voltage connected to the positive pole If the user alar...

Page 34: ...button to program the instrument Upgrading the DUSTTRAK Aerosol Monitor to Add Analog and Alarm Functions The newest version of the DUSTTRAK Aerosol Monitor contains the analog output and alarm functions Older instruments may be hardware compatible with these functions and may only require a factory upgrade to install these features Instruments manufactured before August 1999 are not capable of be...

Page 35: ...ctions You should receive the following message This instrument may be returned to the factory for a Cleaning Calibration and Upgrade there is a charge for this service Identifying an Instrument That May Not Be Upgraded If your DUSTTRAK Aerosol Monitor was manufactured prior to August 1999 serial number 21959 or earlier it is not hardware compatible with these functions It is not possible to upgra...

Page 36: ...umber of tests and the time delay between tests All or selected parameters can be set To program a protocol for LOG 2 or LOG 3 mode 1 Make sure the DUSTTRAK monitor is connected to the computer and turned on 2 Select Logging Setup from the Instrument Setup menu The TRAKPRO software retrieves the current settings for LOG 2 and LOG 3 modes from the DUSTTRAK monitor and displays them in the following...

Page 37: ... 2 and LOG 3 modes Start Date Displays the start date for LOG 2 and LOG 3 modes Start Time Displays the start time for LOG 2 and LOG 3 modes Log interval Displays the log interval for LOG 2 and LOG 3 modes Test length Displays the test length for LOG 2 and LOG 3 modes Number of tests Displays the number of tests for LOG 2 and LOG 3 modes Time between tests Displays the time between tests for LOG 2...

Page 38: ...ts Enter the number of tests to perform Time between tests If you have specified more than one Number of tests enter the time between tests If you enter 0 or blank the next test is started immediately after the last test is complete While you are entering values for LOG 2 and LOG 3 modes the Percent Memory Required is dynamically updated to show the amount of logger memory required to take the pro...

Page 39: ...eight hours The sample protocol for LOG 3 is set up to take unattended aerosol readings for two days beginning on 11 02 2004 The logging sample begins at 8 00 a m and continues for eight hours The instrument is off for 16 hours and then repeats the eight hours test on the following day The following graphic gives the appearance of the dialog box displayed in the TRAKPRO software with these particu...

Page 40: ... Refer to other sections of this Operation and Service Manual for details on making measurements using LOG 2 and LOG 3 modes After programming the DUSTTRAK monitor with the TRAKPRO Data Analysis Software take the DUSTTRAK monitor to the desired location and turn it on Put it into LOG 2 or LOG 3 mode whichever you programmed using the SAMPLING MODE key Press the SAMPLE key to initiate the program I...

Page 41: ...data points Therefore 1 of memory is about 310 data points This should be considered when selecting a logging interval Shorter logging intervals use memory more quickly than longer intervals The logging interval and the available memory determine the maximum possible duration of a data logging session The equation below can be used to determine any memory recording time or logging interval restrai...

Page 42: ...g gravimetric analysis for the aerosol you want to measure The true mass concentration is used to calculate the custom calibration factor for that aerosol Once you have a custom calibration factor you can reuse it each time you make measurements in the same or similar aerosol environment Determining the Calibration Factor for a Specific Aerosol The DUSTTRAK monitor is factory calibrated to the res...

Page 43: ...STATISTICS key to view the average for the last test If you wish to determine a custom calibration factor for this test only you can instead receive the data into the TRAKPRO software 8 Determine the mass concentration in mg m3 from your reference instrument For gravimetric sampling this means having the gravimetric sample weighed 9 Compute the new calibration constant NewCal using the following f...

Page 44: ...custom calibration factors along with a brief title for the aerosol or environment the calibration was taken A calibration factor can be downloaded to the DUSTTRAK monitor when you want to make measurements of that aerosol or environment All future measurements will be adjusted by the new custom calibration factor until you change it to some other value To set this new custom calibration factor us...

Page 45: ...TTRAK monitor response for all subsequent measurements will be multiplied by the new factor To reset the DUSTTRAK monitor to factory calibration simply send the factory setting of 1 Converting Stored Data to Calibrated Data A single set of logged data can be converted to data calibrated to a specific aerosol with the use of the TRAKPRO software This conversion can be done by knowing either the tru...

Page 46: ...box is displayed 5 Enter the New Mass Concentration value in mg m3 The New Calibration Factor is calculated and automatically updated Press OK 6 When you click OK a new data set of the same name will be generated calibrated to the mass concentration that you entered This data set will be appended to the same file The original data remains 7 If you want to adjust the data to a previously determined...

Page 47: ...nts There may be times when more accurate mass concentration data is needed because the aerosol being sampled is significantly different than the standard ISO test dust To accommodate such a measurement the DUSTTRAK monitor has been designed to allow for field calibration Note There are no user serviceable parts inside this instrument TSI recommends that you return the DUSTTRAK monitor to the fact...

Page 48: ...When sample tube cleaning or internal filter replacement is due the display shows the message SERVICE 4 or SERVICE 5 respectively during power up Press any key to bypass the message but be sure to perform the maintenance procedures at your earliest convenience TSI recommends that you perform a zero check each day the DUSTTRAK monitor is used before running any extended tests and after the instrume...

Page 49: ...e current calibration constant will be displayed 8 Press the CALIBRATE key again to return to survey mode The re zeroing process is now completed Cleaning the 1 0 µm and 2 5 µm Inlet Conditioners 1 Turn the DUSTTRAK monitor off 2 Remove the inlet nozzle and impactor plate 3 Wipe the old grease and other residue off from the impactor plate and nozzle Once the nozzle and impactor plate are removed f...

Page 50: ...ely clean environment Aerosol concentration less than 0 1 mg m3 2 Turn the DUSTTRAK monitor off Figure 4 2 Exploded View of Inlet Assembly 3 Remove the sample inlet nozzle and O ring The O ring will usually stay inside the nozzle 4 Use the sample tube removal tool to unscrew the tube from the inside of the inlet port The cross pattern on one end of the tool mates with the end of the sample tube 5 ...

Page 51: ... now completed Replacing the Internal Filters The internal filters should be replaced based on the schedule in Table 4 1 or when the SERVICE 5 is displayed during power up This service reminder will appear each time at power up until you reset this message To reset the SERVICE 5 reminder do the following 1 Turn the instrument off 2 Press and hold the CALIBRATE key while turning on the instrument 3...

Page 52: ...6 Pull out the internal filter elements and discard them 7 Clean the inside of the filter wells if necessary with a mild solvent like isopropanol and a cotton swab Do not use compressed air 8 Replace the internal filter elements with TSI part no 800666 Note Only the recommended high efficiency particulate air HEPA filters should be used The DUSTTRAK monitor should never be run without filters in p...

Page 53: ... because the volume of sampled air seen by the DUSTTRAK detector is fixed Flow rate is critical when using the cyclone or other aerosol separation devices 1 Clean the inlet port as described in this chapter If necessary replace the internal filters as described in this chapter 2 Connect the flowmeter to the DUSTTRAK monitor sample port using the tubing provided 3 With the DUSTTRAK monitor running ...

Page 54: ...he cyclone body Note If dirt is visible inside either the grit pot or the cyclone body it may be necessary to blow compressed air into the cyclone parts and or to clean them with soap and water A mild solvent like isopropanol may also be used Make certain that the cyclone is perfectly dry before using it 4 Re assemble the cyclone Refer to Figure 4 5 below The cyclone cleaning procedure is now comp...

Page 55: ...inlet port cap and check sample nozzle Replace if missing Inspect internal filter wells to make certain the filters and o rings are seated properly Replace internal filters if necessary No display Unit not switched on Low or dead batteries Batteries installed backwards Dirty battery contacts Switch unit on Replace the batteries or plug in the AC adapter Observe polarity indication on battery holde...

Page 56: ...logger Analog output is not in proportion to display Analog output range in DUSTTRAK monitor may be set incorrectly Data logger scaling factor may be set incorrectly Program analog output to desired range 0 0 100 mg m3 0 1 00 mg m3 0 10 0 mg m3 0 100 mg m3 Scaling factor must be consistent with DUSTTRAK monitor Alarm output does not work Alarm does not turn on correctly Alarm function not turned o...

Page 57: ...Backup battery low Factory service required Press any key to bypass SERVICE and 4 displayed The sample inlet nozzle is due for cleaning Clean the nozzle and sample inlet port Press any key to bypass SERVICE and 5 displayed Internal filters are due for replacement Replace internal filters and reset service reminder See Replacing the Internal Filters for more information SERVICE and 6 displayed Flow...

Page 58: ...different temperature than that of the sampling area Bypass this error by pressing Calibrate key Zero the DUSTTRAK by following the instructions given in Chapter 4 Maintenance under section Zero Checking Re Zeroing If the unit cannot be zeroed let the DUSTTRAK equilibrate to ambient conditions and try zeroing the DUSTTRAK again If the Service 7 error still persists it might be due to laser failure...

Page 59: ...dependent on flow rate Flow rate range 1 4 2 4 L min Temperature coefficient 0 001 mg m3 per C for variations from temperature at which DUSTTRAK monitor was zeroed Instrument Temperature Range Operating range 0 C to 50 C 32 F to 120 F Storage range 20 C to 60 C 4 F to 140 F Time Constant Range Adjustable from 1 to 60 seconds Data Logging Data points 31 000 21 days logging every minute Logging inte...

Page 60: ...ded Clean nozzle After every 350 hours at 1 mg m 3 e g 350 hours at 1 mg m3 35 hours at 10 mg m3 or 3 5 hours at 100 mg m3 Change internal filters After every 700 hours at 1 mg m3 e g 700 hours at 1 mg m3 70 hours at 10 mg m3 or 7 hours at 100 mg m3 Serial Interface Type RS 232 BAUD rate 1200 Data Bits 8 Stop Bits 1 Data Format ASCII Power Requirements External Adapter 6 VDC 300 ma or Batteries 4 ...

Page 61: ... Environmental Enclosure Case 8520 1 1 7 5 V Universal Input Battery Charger 1208033 2 6 V 10 A Hr Lead Acid Battery 801563 1 Aerosol Inlet Assembly 801565 1 Water Trap Bottle 2002032 2 Velcro Strap 2913125 2 Tygon Plastic Tubing 1 4 in ID 3001252 1 DB9 Connector Dust Caps 1304132 1 Transportation Inlet Port Plug 2602013 1 Tripod Mount Screw Plug 5010005 1 Model 8520 DUSTTRAK Aerosol Monitor Opera...

Page 62: ...Environmental Enclosure Please become familiar with these components before proceeding Figure B 1 Inside and Outside Views of Environmental Enclosure 1 Inlet Assembly in storage 5 Feed Thru DB9 Adapter 2 DUSTTRAK Battery Bracket 6 Inlet Assembly sampling 3 Water Trap Bottle 7 Inlet Ring 4 Inlet Mounting Brackets 4 1 3 2 7 5 6 ...

Page 63: ...ries 1 6 V 10 Ah Battery Pack X2 2 7 5 V Universal Input Dual Step Charger 3 Aerosol Sampling Inlet 4 Respirable Sampling Inlet optional 5 Water Trap Bottle 6 Velcro Straps 7 DB9 Dust Cap 8 Transport Inlet Plug 9 Tripod Mount Screw Plug 10 Tubing 11 Manual not shown ...

Page 64: ... water This will severely damage both your DUSTTRAK monitor and battery pack Do not set the Environmental Enclosure in water Installing the Aerosol or Respirable Aerosol Inlet There are two inlet assemblies either of which may be stored inside the lid of the Environmental Enclosure allowing ambient aerosols to be sampled efficiently in a wide range of conditions Proper installation into its sampli...

Page 65: ...the Environmental Enclosure See Figure B 4 Figure B 4 Thread the Inlet into the Inlet Ring Notes Make sure that a thin film of vacuum grease is coating the O ring on the inlet tube to ensure a good seal before installing it Do not use the Respirable Aerosol Inlet in the rain As it will aspirate rainwater into the cyclone body ...

Page 66: ...osure when it is shipped If the bottle is removed for cleaning follow these precautions when re installing Before screwing the bottle into inner inlet ring be sure that the O ring found in the bottom of the threaded hole is greased This ensures an air tight seal When threading the bottle into the inlet be careful not to damage its threads Figure B 5 demonstrates how to install the water trap corre...

Page 67: ...each strap before the DUSTTRAK monitor and battery pack are installed Figure B 6 Placement of Velcro Straps Install DUSTTRAK Monitor into Environmental Enclosure To correctly install the DUSTTRAK monitor follow the instructions below Slip the free end of the Velcro strap through the slot on the DUSTTRAK monitor portion of the main bracket see Figure B 7 Figure B 7 Slip Velcro Strap Through Slot in...

Page 68: ...o and into the bracket with the DUSTTRAK monitor inlet towards the center of the case see Figure B 8 Figure B 8 Sliding DUSTTRAK Monitor into the Bracket Tighten the Velcro Strap around the DUSTTRAK monitor see Figure B 9 Figure B 9 Tighten the Velcro Strap ...

Page 69: ... this tube does not get kinked The best way to prevent this is to pull the tube towards the front of the box as you close it see Figure B 10 Figure B 10 Keeping the Tube Unkinked Supplying Power to the DUSTTRAK Aerosol Monitor The Model 8520 DUSTTRAK Aerosol Monitor may be powered in one of two ways when used with the 8520 1 Environmental Enclosure 1 Using the standard internal battery pack consis...

Page 70: ...intenance section for further information Make sure that the internal C size batteries are installed correctly within the DUSTTRAK monitor to make it possible to continue sampling when changing the external battery packs Install External Battery Pack To correctly install the Battery Pack follow the instructions below Slip the free end of the Velcro strap through the slot on the battery pack portio...

Page 71: ...standard surveyor tripod equipped with a 5 8 11 threaded stud Mounting the Enclosure on a tripod is useful when doing outdoor site monitoring Figure B 13 shows the Environmental Enclosure mounted on a surveyor tripod Figure B 13 Enclosure Mounted on a Tripod C a u t i o n Do not place the Environmental Enclosure in direct contact with the ground The bottom of the Environmental Enclosure contains a...

Page 72: ...r for continuous real time monitoring To set up the Environmental Enclosure for real time monitoring follow these instructions Connect the DUSTTRAK monitor to the DB9 connector which is mounted on the inside of the enclosure using the Computer Interface Cable provided with the DUSTTRAK monitor Attach a standard 9 pin serial cable not supplied from the DB9 connector on the outside of the enclosure ...

Page 73: ...e inlet mounting bracket inside the lid of the enclosure Insert the Inlet Transport Plug into the opening in the inlet ring in the top of the box Empty any water from the water trap Remove DUSTTRAK monitor and battery pack If mounted on a tripod take the enclosure off the tripod and screw in the tripod mount plug Wiring the Analog Alarm Cable in the Enclosure You may desire to install the Analog A...

Page 74: ...f the inlet to under the efficiency specified by PM 10 standards If wind gusts of over 22 mph are present the data collected is still valid but be aware that the readings will be slightly lower than the actual mass concentration of aerosol present See Application Note ITI 060 for more information on the wind speed dependency of the external inlet s sampling characteristics Changing and Re charging...

Page 75: ...ns since variations in temperature will have a small impact upon the DUSTTRAK monitor readings If this is not possible for example 24 hour outdoor sampling with wide temperature swings the instrument should be kept closed inside the Environmental Enclosure The thermal mass of the Enclosure will dampen out the affect of temperature swings radiant heat etc Note See the DUSTTRAK monitor Specification...

Page 76: ...put in a place clear of any obstructions that will affect the flow around the enclosure putting it on a tripod is optional The Enclosure is not resting directly on the ground no standing water The DUSTTRAK monitor has been set to the appropriate logging mode The Enclosure is locked shut to prevent theft or vandalism to instrument Plans have been made to check for maintenance and data collection ev...

Page 77: ... Change the Battery The battery packs are designed to provide power to the DUSTTRAK monitor for a minimum of 24 hours even under cold ambient conditions To ensure uninterrupted operation the packs should be replaced daily If a battery pack has been forgotten and left connected to a running DUSTTRAK monitor the extended life battery will automatically quit delivering current to the DUSTTRAK monitor...

Page 78: ...ery will require up to 15 hours to fully recharge Note Do Not Store A Battery Pack That Has Not Been Fully Charged Storing a discharged battery for any length of time will negatively affect the battery life Battery Pack Life Lead acid batteries have a finite life of about 300 charging cycles This means that the two battery packs last around two years without need of replacement This assumes that t...

Page 79: ...Maintenance 69 Storage Precautions This instrument must be stored in a location where the temperature remains between 20 and 60 C 4 and 140 F ...

Page 80: ...ack Readings are unusually low Zero was not checked on DUSTTRAK monitor Plugged external inlet Sampling in wind speeds over 22 mph Enclosure located near an object that obstructs the flow Leak in the inlet Re zero DUSTTRAK monitor at desired sampling conditions Remove inlet from the Enclosure blow out debris with compressed air Rinse with clean air if needed DO NOT DISASSEMBLE COVER ON INLET ASSEM...

Page 81: ...ion Readings are unusually low cont Leak in the inlet cont Make sure inlet assembly O ring is in place Re grease the O rings sealing the inlet assembly and the water trap bottle DUSTTRAK monitor Display reads MEMORY 0 Memory is full Download memory to a PC if desired then clear memory ...

Page 82: ......

Page 83: ... second time constant Particle size range 0 1 approximate 10 µm Upper limit is dependent on flow rate Flow rate 1 7 L min Temperature coefficient 0 001 mg m3 per C for variations from temperature at which DUSTTRAK monitor was zeroed Physical External dimensions 406 mm x 330 mm x 191 mm 16 in x 13 in x 7 5 in Weight with battery and DUSTTRAK monitor 7 2 kg 15 8 lb USER MAINTENANCE Maintenance Check...

Page 84: ......

Page 85: ...ow keys 17 available memory 27 available time constants programming 13 B battery cover 2 battery installation 5 baud rate 7 C calibrate key 17 calibrated data converted stored data 35 calibration certificate 1 calibration factor for specific aerosol 32 setting from keypad 33 carrying case 1 channels 27 28 Class I v cleaning cyclone 44 inlet and sample tube 40 inlet conditioner 39 clear memory key ...

Page 86: ...ing 70 tubing 59 unpacking 51 velcro straps 57 water traip emptying 68 water trap bottle 56 zeroing 65 exhaust port 2 external power socket 2 F flow adjustment screw 2 flow rate adjusting 43 setting 43 flowmeter 3 G H grease 3 I J impactor plate 1 3 inlet assembly 40 inlet conditioner 19 cleaning 39 inlet nozzle 1 3 inlet tube cleaning 40 installing batteries 5 instrument setup 6 internal filter r...

Page 87: ...aning brush 3 sample tube removal tool 3 sampling mode key 14 log mode 15 survey mode 14 sensitivity 49 serial number 27 serial port 7 service policy 2 setting custom calibration factor keypad 33 setting custom calibration factors TRAKPRO software 34 setting flow rate 43 setting real time clock 7 setting up 5 communications port 6 environmental enclosure 54 instrument 6 TRAKPRO software 6 shoulder...

Page 88: ...Index 78 W X Y warning v warranty 2 wrist strap 1 3 Z zero checking 38 zero filter 1 ...

Page 89: ...nce tsi com Website www tsiinc fr Germany Tel 49 241 523030 E mail tsigmbh tsi com Website www tsiinc de India Tel 91 80 41132470 E mail tsi india tsi com China Tel 86 10 8260 1595 E mail tsibeijing tsi com Singapore Tel 65 6595 6388 E mail tsi singapore tsi com Contact your local TSI Distributor or visit our website www tsi com for more detailed specifications P N 1980198 Rev S Copyright 2010 by ...

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