Model 8522 RespiCon Particle Sampler Operation and Service
Contents
1. cccsssceeceeeseeesesssceeeesseeenens 31 AVAILABLE APPLICATION NOTES e RESPICON Model 8522 Frequently Asked ITI 049 e Health Based Particle Size Selective Sampling ni f etn eR eds ITI 050 e Virtual Impactor Works TI 057 To obtain any of 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 ii SAFETY INFORMATION There are no special safety concerns involved with the use and operation of the RESPICON Particle Sampler The RESPICON Particle Sampler is a mechanical device with no electronics or moving parts iii iv Chapter 1 Unpacking and Parts Identification Unpacking the RESPICON Particle Sampler Carefully unpack the Model 8522 RESPICON Particle Sampler and accessories from the carrying case Use the tables and illustrations below to make certain that there are no missing components Contact TSI immediately if anything is missing or damaged Figure 1 1 Model 8522 RESPICON Particle Sampler RESPICON Particle Sampler with removal cylinder and disk 1 CamyngCase 801143 1 1 Stage Flow Checker 801133 Total Flow Checker 801134 1 Data Analysis Spreadsheet Microsoft amp 1082624 Excel2. Figure 4 6 Flow Rate for Three Stages Stage Nominal Accuracy Range Qua 3 11 Lpm 2 3 04 3 17 Lpm 2 66 Lom 259 275 Lpm 0333 Lpm 031 0 35 Lpm 0 111 Lpm 0 105 0 116 Lpm Clean Filter Stages Body Unit Inlet Head Most of the aerosol entering the RESPICON Particle Sampler is captured on the filters However after repeated use some build up may occur within the body of the RESPICON Particle Sampler and on the filter stages These areas are easily cleaned with a damp cloth or compressed air Because of its construction the inlet head may be difficult to clean it should not be disassembled for cleaning Soak the inlet head in a soapy solution rinse and dry before re installing Clean Orifices The three orifices located near the RESPICON Particle Sampler outlet control the internal flows within the instrument After prolonged use the orifices may need to be cleaned If you are not able to obtain the correct flows within the RESPICON when the total flow is correct it is also a possible indication that the orifices need to be cleaned To clean the orifices use the following procedure Note The three orifices contain a color coded dot The body unit has a matching color dot to help the user reassemble the orifices in the correct location Usinga small slotted screwdriver remove the three orifices located next to the RESPICON Particle Sampler outlet see Figure 4 7 2 Blow out any accumulated p
3. 1 Model 8522 RESPICON Operation and 1980320 Service Manual Certificate of Conformance fe Microsoft is a registered trademark of Microsoft Corporation Parts Identification For the RESPICON Particle Sampler Figures 1 2 through 1 6 identify the parts of the Model 8522 RESPICON Particle Sampler Please become familiar with these components before proceeding Figure 1 2 Model 8522 RESPICON Particle Sampler 1 RESPICON sampler 3 Removal cylinder 2 Removal disk 2 Chapter 1 Figure 1 3 Parts Explosion RESPICON Particle Sampler 1 RESPICON body unit 4 Stage 2 2 Inlet head 5 Stage 3 3 Stage 1 Unpacking and Parts Identification Figure 1 4 Flow Checking Equipment 1 Stage flow checker 3 Total flow checker 2 Stage flow checker inlet Chapter 1 Figure 1 5 RESPICON Filters and Holder 1 Filter holder shown disassembled with covers x2 Figure 1 6 Miscellaneous Accessories 1 Sample tube 3 Pipe cleaners 2 Filter forceps Unpacking and Parts Identification Optional Accessories Replacement Parts The following items are sold by TSI as optional accessories or replacement parts They are not included with the standard Model 8522 RESPICON Particle Sampler Figure 1 7 Optional Accessories Quantity Item Description Part Model O ring kit contains 10 42 x 1 5mm 801141 10 32 x 1 5 mm 5 6 x 1mm Rotameter kit contains high flow and low flow rotameters with bases 1 RESPICO
4. Sample period was too Sample for longer period of short insufficient time preferably 8 hour particles deposited upon minimum filter No solution Air contains very low concentrations of aerosol 30 Chapter 6 Appendix A Specifications Specifications are subject to change without notice SENSITIVITY Instrument type 50 cut size aerodynamic dia Two stage virtual impactor with three stage gravimetric filter sampler Inlet 100 micron Stage 1 4 micron Stage 2 10 micron Stage 3 all remaining particles INSTRUMENT TEMPERATURE RANGE Operating range PHYSICAL Filter type External dimensions Weight Tripod mount Pressure drop The RESPICON has no temperature limitations Please verify operating limits for the personal sampling pump 37 mm diameter filters 2 each with central hole 1 each without hole 3 22 in x 2 75 in x 2 0 in HWD 82 mm x 70 mm x 50 mm 0 64 pounds 290 grams 14 20 threaded hole 16 inches 4 kPa REQUIRED ACCESSORIES Personal Sampling Pump Minimum flow rate 3 5 Lpm Pressure drop rating 18 in WC 4 5 kPa 3 11 Lpm Battery power for at least 8 hours of operation at above listed flow and pressure drop Automatic shutoff after preset sampling time 31 REQUIRED ACCESSORIES continued Primary flow calibration system 37 mm filters type of filler media is dependent on sample criteria and associated analytical method
5. 1 Remove the filters and filter stages if they are installed in the body unit 2 Install the stage flow checker into the body unit make sure it is seated against the bottom of the body unit 3 Install the total flow checker onto the top of the body unit make sure it is seated correctly and the O ring makes a good seal The display of any particular brand of pump or flowmeter does not imply endorsement by TSI Inc 20 Chapter 4 4 Attach the pump to the RESPICON Particle Sampler outlet and a suitable flowmeter to the total flow checker inlet see Figure 4 4 5 Turnon the pump and adjust to a nominal value of 3 11 Lpm 3 04 3 17 Lpm Note For greatest accuracy it is important to leave the pump running with the flow setting undisturbed until completion of the stage flow checks 6 Remove the total flow checker Install the stage flow checker inlet into the hole marked Q1 Note For ease of insertion slightly moisten the inlet fitting O rings with water no grease and insert the fitting with a twisting motion 8 Attach a tube from the stage flow checker inlet to the flow measuring instrument rotameter bubble flow meter See Figure 4 5 9 With the pump still running check the flowmeter reading Figure 4 6 contains the desired flow rate for each stage 10 Repeat for flow measuring steps for Q2 and Q3 Figure 4 5 Attach Flowmeter and Sampling Pump to RESPICON Stage Flow Checker Maintenance 21
6. a result of repair services are warranted to be free from defects in workmanship and material under normal use for 90 days from the date of shipment Seller does not provide any warranty on finished goods manufactured by others on any fuses batteries or other consumable materials Only the original manufacturer s warranty applies d 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 incorporated into other products or equipment or which are modified by any person other than Seller The foregoing is IN LIEU 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 LIABILITY OR OTHERWISE SHALL BE THE RETURN OF GOODS TO SELLER AND THE REFUND OF THE PURCHASE PRICE OR AT THE OPTION OF SELLER THE REPAIR OR REPLACEMENT OF THE GOODS IN NO EVENT SHALL SELLER BE LIABLE FOR ANY SPECIAL CONSEQUENTIAL OR INCIDENTAL DAMAGES SELLER SHALL NOT BE RESPONSIBLE FOR INSTALLATION DISMANTLING OR REINSTALLATION COSTS OR CHARGES No Action regardless of form may be brought against Sell
7. sioe viste ee deut ee e Ete et eate 7 Disassembling the RESPICON Particle Sampler 7 Preparing the Filters 8 Removing Old Filters 8 Cleaning the Nozzles ssssseeeneeennee 9 Preparing New Filters 9 Loading Filters into Filter Holders 10 Assembling the RESPICON Particle Sampler 11 Supplying Flow to the RESPICON Particle Sampler 13 Checking the Total Flow sse 13 CHAPTER OPERATION nnnrnn nennt 15 OVOerVI8W noe Ee Mee e 15 Caution Against Operating the RESPICON Particle Sampler Without Filters 15 Using the RESPICON Particle Sampler for Personal Aerosol Sampling 68 entier Ente te 15 Using the RESPICON Particle Sampler for Area Aerosol Sampling 16 Unloading the RESPICON After a Sample 16 Weighing the Filters 16 Recording the Data 16 CHAPTER 4 enne 17 WET OW da de ey dia aed ene e daa ee ne dns 17 Maintenance 17 Befo
8. thoracic fraction Tracheo bronchial fraction mi Mass deposited on filter 1 mg m2 Mass deposited on filter 2 m3 Mass deposited on filter 3 Qi Flow rate through filter 1 2 66 Lpm Q2 Flow rate through filter 42 0 33 Lpm Q3 Flow rate through filter 43 0 11 Lpm ts Sample duration minutes Once the three basic size fractions are calculated it is to determine the intermediate size fractions using the following simple formulas Extra thoracic Fraction The extra thoracic fraction are the coarse particles which are inhaled but do not penetrate to the larynx The extra thoracic fraction is obtained by subtracting the thoracic fraction from the inhalable Cexth Cinh Cthor Tracheo bronchial Fraction The tracheo bronchial fraction are the intermediate sized particles which penetrate beyond the larynx but do not reach the alveoli The tracheo bronchial fraction is obtained by subtracting the respirable fraction from the thoracic fraction Ctb Cthor Cresp Data Analysis 27 28 Chapter 5 6 Troubleshooting The table below list the symptoms possible causes and recommended solutions for common problems encountered with the RESPICON Particle Sampler Symptom Possible Cause Corrective Action When using Check connections for leaks total flow Make sure tubing is correct size checker or and tightly fitting stage flow checker Check O rings Make sure all flow rates O rings are prope
9. used in very dusty dirty conditions it will obviously require more frequent cleaning than if used in relatively clean conditions The table below summarizes the recommended procedures and frequency Figure 4 1 Recommended Maintenance Item 1 1 Frequency Before Each Use Check O rings Before each use Clean impactor nozzles x2 Before each use Perform total flow check Before each use Every Fifth Use Perform stage flow check Every fifth use more often for E RENI Quarterly or if unable to obtain correct flow on each stage Clean inlet head Replace O rings Only if damaged Replace orifices Only if damaged Check O rings The RESPICON Particle Sampler contains 13 O rings each one of them is important for maintaining good seals and correct flow rates within the instrument You should become familiar with the location of each O ring and should routinely inspect them prior to assembly of the instrument The following list details the size and location of each O ring It also identifies 17 those O rings which need special attention due to their importance or special conditions Location Diameter Special Concerns Perimeter of inlet head 42 mm Subject to frequent twisting may distort or tear Underside of inlet head 32 mm May become dislodged underside of 1st and 2nd filter stage x3 i Perimeter of each filter stage 42 mm N A x6 Note Do not use grease or other lubricant on the O rings as
10. Exposure Monitoring Model 8522 RESPICON Particle Sampler Operation and Service Manual 1980320 Revision E August 2007 TSI Model 8522 RESPICON Particle Sampler Operation and Service Manual August 2007 P N 1980320 Rev E SHIP TO MAIL TO E mail address TSI Incorporated answers tsi com 500 Cardigan Road Shoreview MN 55126 3996 Website USA http www tsi com U S INTERNATIONAL Sales and Customer Service Sales and Customer Service 800 874 2811 651 490 2811 001 651 490 2811 Fax Fax 651 490 3824 001 651 490 3824 150 9001 2000 Copyright TSI Incorporated 1997 2007 rights reserved Address TSI Incorporated 500 Cardigan Road Shoreview MN 55126 USA Fax No 651 490 3824 LIMITATION OF WARRANTY AND LIABILITY effective July 2000 Seller warrants the goods sold hereunder under normal use and service as described in the operator s manual shall be free from defects in workmanship and material for twenty four 24 months or the length of time specified in the operator s manual from the date of shipment to the customer This warranty period is inclusive of any statutory warranty This limited warranty is subject to the following exclusions a Hot wire or hot film sensors used with research anemometers and certain other components when indicated in specifications are warranted for 90 days from the date of shipment b Parts repaired or replaced as
11. N chest harness 8522 02 Required Accessories not sold by TSI The following items are necessary in order to operate the RESPICON Particle Sampler They are not included with the standard Model 8522 nor are they available for sale from TSI Customers who purchase the RESPICON quite often already own such items and may use them when operating the RESPICON This chart contains specification information only Figure 1 8 Required Accessories Quantity Item Description Personal sampling pump Minimum flow rate 3 5 Lpm Pressure drop rating 18 in WC 4 5 kPa 3 11 Lpm Battery power for at least 8 hours of operation at above flow and pressure drop Automatic shutoff after preset sampling time 1 Primary flow calibration system Bubble flow meter or equivalent Minimum range of 0 1 to 3 5 Lpm 3 sample 37 mm filters type of filter media is dependent on sample criteria and associated analytical method to be used The RESPICON requires two of the 37 mm filters to have a 4 mm central hole the third 37 mm filer does not have a central hole These filters should be obtained from an accredited industrial hygiene laboratory Filters cannot be obtained through TSI 6 Chapter 1 Chapter 2 Setting Up Preparation for Sampling Overview The Model 8522 RESPICON Particle Sampler is a size selective gravimetric sampler It is used to determine personal or area aerosol exposure based upon the mass loading of particles on three sam
12. and adjust to 3 04 3 17 Lpm Notes L This step is also a useful way to calibrate the internal flowmeter rotameter or other on the personal sampling pump A built in rotameter on a pump can be quite inaccurate especially in this case where a high pressure drop device is installed on the inlet The use of a secondary rotameter or other flowmeter upstream of the RESPICON Particle Sampler provides a more accurate indication of flow LJ Do not operate the RESPICON Particle Sampler for an extended period of time without the filters installed This may cause particles to become trapped in the flow orifices or the porous plastic at the base of each filter stage Maintenance 19 Figure 4 4 Attach Flowmeter and Sampling Pump to RESPICON Total Flow Checker Perform Stage Flow Check While the total flow through the RESPICON Particle Sampler is a good test of system integrity it does not tell the whole story It is possible for the total flow to be correct while the three internal flows are out of balance These flows regulate the functioning of the two virtual impactors and maintain the correct aerosol size separation To perform a check of the individual stage flows use the following procedure Note When performing the Stage Flow Check it is essential to recheck the total flow with the filters removed and the stage flow checker installed before checking the individual flows Please carefully follow the directions step by step
13. apter 2 Disassembling the RESPICON Special care must be taken to avoid damaging the filters or disrupting any of the accumulated aerosol The filter holders are supplied with top and bottom covers which must be used when transporting the samples for analysis Weighing the Filters To determine the mass concentration of each of the size fractions the three RESPICON Particle Sampler filters must be post weighed on a micro balance It is good practice to use the same balance as was used to pre weigh the filters The filters should be pre conditioned in the same manner as they were for pre weighing After weighing the filters may be analyzed further using microscopic or chemical analysis depending upon the targeted substance and filter type Recording the Data Record the post weights and duration of sample on the data sheet or spreadsheet TSI recommends the use of the supplied Microsoft Excel spreadsheet which automatically calculates the mass concentration of each size fraction complete overview of data analysis is found in Chapter 5 16 Chapter 3 Chapter 4 Maintenance Overview The RESPICON Particle Sampler is a very low maintenance instrument It contains no electronics or moving parts Maintenance consists almost entirely of cleaning the instrument and checking flow rates Maintenance Schedule The maintenance schedule for the RESPICON Particle Sampler is largely determined by usage patterns If the instrument is
14. articles using compressed air 3 The orifices may also be cleaned ultrasonically or with a mild soap solution Rinse and dry before re installing 4 Install the red color coded orifice at the top 2 66 Lpm install the yellow orifice in the middle and the green orifice at the bottom Do not use a needle or broach to clean the inside of the orifice This may permanently damage the precision hole and seriously affect the functioning of the RESPICON 22 Chapter 4 Figure 4 7 Orifice Location Orifice 1 Shown Removed Replace O rings The O rings should not need replacement under normal operating conditions If an O ring is pinched damaged or lost it must be replaced immediately Note Do not use greases or lubricants on the O rings as this may cause the orifices to plug up Replace Orifices Under normal operating conditions the orifices will never need replacement If the orifices are inadvertently damaged or lost a replacement kit is available See Chapter 1 for more information Maintenance 23 24 Chapter 4 5 Data Analysis Overview The Model 8522 RESPICON Particle Sampler provides the raw data necessary to calculate the three aerosol size fractions inhalable thoracic and respirable The mass concentrations of the these three fractions can be calculated using the following values e individual aerosol masses deposited upon the filters m and m milligrams e The sampl
15. ecord the test data from a particular test in electronic format use the save as command to create a new file with a unique name This new file will be used to gather analyze and permanently record the test data Do not use the save command to overwrite the original file e Fill out the data portions of the form the spreadsheet will automatically calculate the size fractions concentrations The following fields must be filled in Duration of sample 2 Pre weights filters 1 2 amp 3 3 Post weights filters 1 2 amp 3 e Use the tab key to move among the user editable fields on the form name date location etc e Non editable formula cells are locked and cannot be changed Creating a Hard copy Data Analysis Form e be useful to create a blank printed copy of the Data Analysis Form for use in data gathering e Simply print out the blank spreadsheet form The formulas used to calculate each cell are included on the form to allow for manual calculations Formulas The following table contains the terms and formulas used to calculate the aerosol size fractions 26 Respirable Fraction mi 1000 Cresp Thoracic Fraction mi m_2 1000 Q1 Q2 ts Cthor Inhalable Fraction mi mo mm 1000 Cin 2 Q3 ets Chapter 5 The following definitions used Cresp fraction mg m3 Cthor Thoracic fraction Cinh Inhalable fraction Cexh Extra
16. er more than 12 months after a cause of action has accrued The goods returned under warranty to Seller s factory shall be at Buyer s risk of loss and will be returned if at all at Seller s risk of loss Buyer and all users are deemed to have accepted this LIMITATION OF WARRANTY AND LIABILITY which contains the complete and exclusive limited warranty of Seller This LIMITATION OF WARRANTY AND LIABILITY may not be amended modified or its terms waived except by writing signed by an Officer of Seller Service Policy Knowing that inoperative or defective instruments are as detrimental to TSI as they are to our customers our service policy is designed to give prompt attention to any problems If any malfunction is discovered please contact your nearest sales office or representative or call TSI s Customer Service department at 800 874 2811 USA or 001 651 490 2811 International Trademarks RESPICON is a trademark of TSI Incorporated CONTENTS SAFETY INFORMATION CHAPTER 1 UNPACKING AND PARTS IDENTIFICATION 1 Unpacking the RESPICON Particle Sampler 1 Parts Identification For the RESPICON Particle Sampler 2 Optional Accessories Replacement 6 Required Accessories not sold by 1 6 CHAPTER 2 SETTING UP PREPARATION FOR SAMPLING 7 OV IVC Wei
17. ge Flow Check for more information 14 Chapter 2 Chapter 3 Operation Overview Although the RESPICON Particle Sampler gives much more useful information than the typical gravimetric sampler it is still subject to many of the same constraints as other samplers To obtain useful information the RESPICON Particle Sampler must be used in the context of a well designed sampling strategy It is well beyond the scope of this manual to review all of the considerations which go into an air sampling strategy You are encouraged to reference standard textbooks on the subject such as Air Sampling Instruments published by the ACGIH The following sections detail some concerns which are particular to the RESPICON Particle Sampler Caution Against Operating the RESPICON Particle Sampler Without Filters The RESPICON Particle Sampler is designed to only be operated with the sampling filters in place Care should be taken to avoid operating the unit for extended periods of time without these filters If the filters are not installed there is the possibility of accumulating particles in areas of the unit which are difficult to clean such as the porous backup plates and the flow control orifices This would then affect the performance of the sampler Using the RESPICON Particle Sampler for Personal Aerosol Sampling The RESPICON Particle Sampler was designed primarily as a personal aerosol sampler for occupational exposure assessment During
18. ing duration t minutes e volumetric flow rates and Q Lpm Collection of the raw data was covered in the sections Weighing the Filters and Recording the Data in Chapter 3 This chapter will outline the simple calculations required to convert the raw mass data into size fractionated concentrations Using the Data Analysis Form The RESPICON Particle Sampler is supplied with an electronic Data Analysis Form Microsoft Excel formatted spreadsheet This form is used to both gather and analyze the raw data from the RESPICON Particle Sampler The electronic file is an Excel vs 5 0 file Please note the following when using this spreadsheet Setting up the Electronic Data Analysis Form e Launch your spreadsheet program Excel Lotus etc e Open the file respdata xls found on the supplied 3 diskette e Save the file into your user directory Your operating system Win 3 11 Win 95 etc may request that you update the file while saving depending upon the software brand and version which you are running e Using the save as command create a backup version of the file using an appropriate filename Using the Electronic Data Evaluation Form e Launch your spreadsheet program Excel Lotus etc e Open the file respdata xls from your user directory 25 Note The actual file may have a different file extension depending upon which software you are running e If you intend to permanently r
19. inlet port on the sampling pump using the supplied sample tubing Checking the Total Flow Attach the total flow checker by placing onto the body unit and turning clock wise Attach a tube from the total flow checker to a suitable flowmeter Adjust the sample pump to 3 11 Lpm Verify that the flow rate is correct and make adjustments to the pump as needed See Chapter 4 Perform Total Flow Check for more information Note The filters to be used during the test must be installed in the RESPICON when setting the total flow rate Remove the total flow checker from the body unit Place the inlet head onto the body unit and tighten by turning clock wise The RESPICON Particle Sampler is now ready for sampling Note Proper operation of the RESPICON Particle Sampler depends upon correct total flow and three correct internal flows Because of the inherent variability of sampling pumps it is important for you to verify correct total flow through the instrument using either a primary flow standard bubble flow meter or equivalent or a secondary flow standard rotameter or equivalent This must be done before each use of the RESPICON Particle Sampler Set up Preparation for Sampling 13 The three internal flows within the RESPICON Particle Sampler should also be verified on a less frequent basis depending upon usage This step requires the use of the stage flow checker supplied with the RESPICON Particle Sampler See Chapter 4 Perform Sta
20. linder and lift the body unit See Figures 2 5 through 2 6 below Figure 2 5 Place Body Unit Over Removal Cylinder Place Stacked Filter Stages into Body Unit Set up Preparation for Sampling 11 Figure 2 6 Lift Body Unit to Cover Filter Stages Invert the removal cylinder Using the removal cylinder press firmly down on the top of the filter stage stack until the three stages are seated tightly at the bottom of the body unit See Figure 2 7 below TAR lt S Figure 2 7 Press Down to Seat Filter Stages Into Body Unit 12 Chapter 2 Note This step requires a fair amount of force to overcome the friction caused by the O rings Do not press filter stages into body unit using fingers Doing so may disrupt or damage the fragile filters Caution Do not use grease on the O rings see Chapter 4 Checking O rings for more information Do not install the inlet head until after performing the total flow check Supplying Flow to the RESPICON Particle Sampler The Model 8522 RESPICON Particle Sampler must be operated in conjunction with a suitable personal sampling pump see Figure 1 7 for specifications Since the RESPICON Particle Sampler has a significant amount of internal flow resistance it is important to carefully choose a pump which can provide the required flow throughout the entire sampling interval Connect the outlet port located on the side of the body unit of the RESPICON to the
21. older Note Inscribed single ring denoting Stage 1 Cleaning the Nozzles The impactor nozzles must be cleaned before each use See Chapter 4 Clean Impactor Nozzles for more information Preparing New Filters Prepare three 37 mm filters two containing a central hole and one without a hole Note The RESPICON Particle Sampler requires two of the 37 mm filters to have a 4 mm central hole These filters can be obtained through an accredited industrial hygiene laboratory In addition the RESPICON Particle Sampler requires filters with a specified pressure drop and filtration efficiency Failure to use a recommended style of filter may result in improper functioning of the RESPICON Particle Sampler and inaccurate gravimetric results Pre condition the filters and weigh them on an approved micro balance TSI recommends using a scale with micro gram resolution not just milligram to help measure extremely small particle mass Caution Use the supplied conductive forceps for handling the filters at all times Set up Preparation for Sampling 9 Record the pre weights on a data sheet or on the Data Analysis Spreadsheet supplied with the RESPICON Particle Sampler Note Follow standard gravimetric sampling conventions for pre conditioning weighing labeling and handling of the filters A description of such procedures is beyond the scope of this manual Please see Air Sampling Instruments by the ACGIH or other indust
22. operation it should be mounted in the breathing zone The body of the RESPICON Particle Sampler contains a belt clip which can be used to attach it to an article of clothing or an optional harness Note The RESPICON Particle Sampler should not be worn on a waist belt as this would be outside of the breathing zone TSI sells an accessory chest harness which is designed to comfortably hold the RESPICON Particle Sampler close to the body within the breathing zone see Chapter 1 for more information Air Sampling Instruments 1995 published by the American Conference of Governmental Industrial Hygienists Inc 1330 Kemper Meadow Drive Cincinnati Ohio 45240 1634 15 Using the RESPICON Particle Sampler for Area Aerosol Sampling The RESPICON Particle Sampler may also be used as an area sampler The bottom of the RESPICON Particle Sampler contains a universal tripod thread This allows the RESPICON Particle Sampler to be mounted to a standard tripod and placed in the area of interest The RESPICON Particle Sampler may also be placed on a flat surface for area sampling You should carefully consider factors within the sampling area which might affect an integrated area sample such as Air currents from blowers exhaust fans wind etc Local sources of aerosol grinding welding etc Activity patterns Mounting height and location Unloading the RESPICON After a Sample To remove the filters follow the procedure outlined in Ch
23. pling filters The total flow through the RESPICON Particle Sampler and the internal flows within the RESPICON Particle Sampler are critical variables to ensure proper functioning of the device Before operating the RESPICON Particle Sampler it is necessary to 1 prepare the filters and 2 verify the flowrates Disassembling the RESPICON Particle Sampler To disassemble the RESPICON Particle Sampler first remove the inlet head by pressing down slightly and turning counter clockwise Place the body unit on the removal cylinder and cover with the removal disk See Figure 2 1 below Rtsp CON Figure 2 1 Place Body Unit on Removal Cylinder Cover with Removal Disk Press down with the palm of your hand on the removal disk The filter stages will come loose and the body can be pushed down Figure 2 2 Press Down to Remove Filter Stages Preparing the Filters Removing Old Filters Remove the three filter stages from the body unit and remove the filter holder from each stage If appropriate place the top and bottom cover on each filter holder and save for later analysis Otherwise remove and discard the old filters Note The filter stages are identified by ring s inscribed around the perimeter Filter stage 1 has one ring filter stage 2 has two rings etc The filter stages must be assembled in order with 1 on the top and 3 on the bottom See Figure 2 3 below 8 Chapter 2 Figure 2 3 Filter Stage 1 with Filter H
24. re Each Use inp t eer e de 17 Gheck O rings a acuti cu 17 Clean Impactor 221 18 Perform Total Flow Check ssssseeeeee 19 Perform Stage Flow Check sse 20 Clean Filter Stages Body Unit Inlet 22 Clean Orifices fe Tac raped e dee canals 22 Replace O rings aaepe etae durus 23 Replace Orifice 23 CHAPTER 5 DATA ANALYSIS 25 OVOIVIGW ii eitis peterent et d etta eee tates 25 Using the Data Analysis 25 Setting up the Electronic Data Analysis Form 25 Using the Electronic Data Evaluation Form 25 Creating a Hard copy Data Analysis Form 26 Formulas cotto Herbs S Ee ue Ad 26 Respirable Fraction 26 ete dd ette des 26 Inhalable Fraction seeeeeeeeeeeeeeenenen nnne 26 Extra thoracic 27 Tracheo bronchial Fraction sse 27 CHAPTER 6 TROUBLESHOOTING 29 APPENDIX A SPECIFICATIONS
25. rial hygiene reference texts for a complete description of gravimetric filter preparation Loading Filters into Filter Holders With the top ring removed place the first 37 mm filter with hole into the filter holder base Before replacing the top ring place the filter holder base into filter stage 1 Gently tap the side of the filter stage to allow the filter to center itself on the impactor nozzle located in the center of the stage See Figure 2 4 below a Figure 2 4 Tap Side of Filter Stage to Center Filter Over Nozzle Align the top ring and gently press into place using both hands Repeat this process for the second filter and filter stage 2 Load the remaining filter without hole into a filter holder and place into filter stage 3 Air Sampling Instruments 1995 published by the American Conference of Governmental Industrial Hygienists Inc 1330 Kemper Meadow Drive Cincinnati Ohio 45240 1634 10 Chapter 2 Assembling the RESPICON Particle Sampler Stack the assembled filter stages with stage 1 on the top and stage 3 on the bottom Examine the exterior of the filter stages to ensure that the two O rings on each stage are intact Note If the stages are inadvertently assembled in the incorrect order they will not physically fit into the body unit Do not force the units if you experience excessive resistance Place the body unit over the removal cylinder Place the stacked filter stages onto the removal cy
26. rly installed are incorrect not twisted or torn Tighten adapter turn clock wise Dirty impactor nozzle Clean virtual impactor orifices using pipe cleaner or compressed air See Chapter 4 Clean Impactor Nozzles Dirty orifice s Remove orifice s Clean with compressed air or mild soap solution Blow dry with clean compressed air DO NOT INSERT OBJECT INTO ORIFICE Re install Pump setting is incorrect Using the total flow checker set pump flow rate to 3 11 Lpm see Chapter 4 Perform Total Flow Check Once total flow is correct verify individual flows see Chapter 4 Perform Stage Flow Check 29 Symptom Possible Cause Corrective Action Incorrect Pump not able to maintain Verify operating parameters on flow rate proper flow rate pump make sure pump is rated continued for this application Make sure batteries are fully charged or operate with AC adapter Flow checking See Figures 4 4 and 4 5 Verify components are connected that rotameter RESPICON flow incorrectly checker and sampling pump are connected in correct manner Wrong filters installed Use only TSI approved filters filters may have too high in RESPICON pressure drop There is no Improper scale used for Use scale with micro gram measurable weighing filter resolution scale with milligram deposit on resolution may not be adequate the first filter to measure small amounts of stage particles respirable fraction
27. this may cause the flow orifices to plug Clean Impactor Nozzles Aerosol flow through the virtual impactor nozzles is critical to the proper functioning of the RESPICON Particle Sampler These nozzles should be cleaned before each sample using the supplied pipe cleaners and or dry compressed air The nozzles are located at see Figure 4 3 e underside of the inlet head e The center of the first filter stage e The center of the second filter stage Inlet Head a Stage 1 Figure 4 3 Virtual Impactor Nozzle Locations 18 Chapter 4 Perform Total Flow Check The total flow through the RESPICON Particle Sampler must be maintained at 3 11 Lpm 2 3 04 to 3 17 Lpm A check of the total flow is a good way to verify the system integrity of the RESPICON Particle Sampler This quick test helps to verify that e All O rings are in place and intact e Filters are correctly installed e The pump flow is correctly set To perform a total flow check use the following procedure 1 Prepare the RESPICON Particle Sampler for sampling by cleaning it and installing the three filters and filter stages 2 Remove the inlet head and install the total flow checker 3 Attach a tube from the total flow checker to a flow measuring instrument with a capacity of at least 3 2 Lpm rotameter or other 4 Attach the sample tube from the RESPICON Particle Sampler outlet to the sample pump see Figure 4 4 5 Turn on the pump
28. to be used 32 Bubble flow meter or equivalent Minimum range of 0 1 to 3 5 Lpm The RESPICON requires two of the 37 mm filters to have a 4 mm central hole the third 37 mm filter does not have a central hole These filters should be obtained from an accredited industrial hygiene laboratory Filters cannot be obtained through TSI Appendix A TSI Incorporated 500 Cardigan Road Shoreview MN 55126 U S A USA Tel 418008742811 E mail info tsicom Website www tsi com TSI UK Tel 44 149 4 459200 E mail tsiuk tsi com Website www tsiinc co uk France Tel 33 491 95 2190 E mail tsifrance tsi com Website www tsiinc fr Germany Tel 49 241 523030 E mail tsigmbh tsi com Website www tsiinc de Sweden Tel 46 8 595 13230 E mail tsiab tsi com Website www tsi se India Tel 91 80 41132470 E mail tsi india tsi com China Tel 86 10 8260 1595 E mail tsibeijing tsi com Y mares 4 Contact your local TSI Distributor visit our website www tsi com for more detailed specifications P N 1980320 Rev E Copyright O 2007 by TSI Incorporated Printed in U S A
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