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30 Chapter

Insert the flash drive into one of the USB ports of the P

ORTA

OUNT

fit tester.

Press the

Database

tab.

Press

Select Database

icon.

Select the database you want to use as the active database and press

Load

When the database is loaded, select

Done

. The database you selected is

now the active database and will remain the active database until you
select another one or remove the flash drive.

Step 3—Run Daily Checks

TSI recommends maintenance checks be performed once each day before
the P

ORTA

OUNT

Respirator Fit Tester is used and whenever a

problem is encountered.

These daily checks are:

•

Particle Check

•

Classifier Check (only for the P

ORTA

OUNT

8038

with N95

enabled)

•

Zero Check

•

Max FitFactor Check

•

Valve Check (optional)

The optional valve check should be performed to help diagnose why a Max
FitFactor check failed.

Completed daily checks provide confidence that the P

ORTA

OUNT

fit

tester is working properly. Failure of any of the daily checks requires
immediate attention. See

12H

Troubleshooting

chapter. If the P

ORTA

OUNT

Respirator Fit Tester

passes the daily checks, and you have difficulty fit

testing, the problem is probably

NOT

in the P

ORTA

OUNT

fit tester.

Examine the respirator carefully for leaks or pinched tubes.

To start the daily checks:

Connect the AC Adapter to the instrument and turn on the
P

ORTA

OUNT

fit tester using the O/I button. The P

ORTA

OUNT

fit tester goes through a warm-up period before it is ready to use.

From the Activities Tab, select the Daily Checks icon [

Содержание portacount pro 8030

Страница 1: ...R e s p i r a t o r F i t T e s t i n g 8030 and 8038 Respirator Fit Testers Operation and Service Manual P N 6001868 Revision B August 2008 ...

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Страница 3: ... 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 EXC...

Страница 4: ...er times will vary The fit factor value is not intended for use in calculating an individual s actual exposure to hazardous substances 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...

Страница 5: ...d Test Respirators 55H17 Probes for Filtering Facepiece Disposable Respirators 56H18 Inserting a Test Probe in a Disposable Respirator with the TSI Model 8025 N95 Probe Kit 57H19 Positive Pressure Respirators 58H23 Chapter 4 Conducting a Fit Test with the PORTACOUNT PRO Respirator Fit Tester 59H25 Step 1 Prepare the PORTACOUNT PRO Respirator Fit Tester for Fit Testing 60H26 Step 2 Attach Flash Dri...

Страница 6: ...ppendix B Theory of Operation 81H67 How the PORTACOUNT PRO Respirator Fit Tester Works 82H67 How the PORTACOUNT PRO Fit Tester Counts Particles 83H67 Appendix C Calculating Fit Factor 84H71 Appendix D Calculating Particle Concentration 85H73 Appendix E Timing in Fit Test Mode 86H75 Appendix F Using the PORTACOUNT PRO Respirator Fit Tester to Fit Test Positive Pressure Respirators 87H77 Appendix G ...

Страница 7: ...RO Respirator Fit Tester has an on board Demo database that lets you perform all available operations including adding data Any changes you make to this Demo database however are lost when you power off the PORTACOUNT PRO fit tester They cannot be saved unless manually recorded If you want to save fit test results or other data when using the PORTACOUNT PRO Respirator Fit Tester in stand alone mod...

Страница 8: ...espirator Training Respirator training is critical for any respiratory protection program All employees who wear respirators must be taught how and why they are used This training should be done prior to the fit test not during the fit test Consult the regulations or standards that pertain to your industry for information on training requirements The PORTACOUNT PRO Respirator Fit Tester includes a...

Страница 9: ... tests in close proximity to sources of irritant smoke like those used for qualitative fit testing The irritant smoke is corrosive and can damage the PORTACOUNT PRO Respirator Fit Tester Fit testing near sources of amyl acetate banana oil is not a problem The TSI Web site 3Hhttp fittest tsi com contains additional resources that you may find useful Disclaimer The measurement provided by the PORTAC...

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Страница 11: ... PRO Models 8030 and 8038 Qty Description 9 1 PORTACOUNT PRO Respirator Fit Tester Model 8030 8038 1 Stylus 1 Alcohol Cartridge 1 Alcohol Fill Capsule 1 Storage Cap 2 Zero Check Filter 2 Spare Alcohol Wicks 1 5 ft 1 5 m Twin Tube Assembly 1 1 8 to 3 16 Tube Adapter 1 1 8 to 1 4 Tube Adapter 1 AC Adapter 16 30 ml Alcohol Bottles 480 ml total 1 Operation Service Manual this manual 1 FITPRO Fit Test ...

Страница 12: ...tems PORTACOUNT PRO Models 8030 and 8038 Qty Description 9 1 CD Holder 1 USB Cable 1 USB Flash drive Additional Items PORTACOUNT PRO Model 8038 only Qty Description 9 1 Probe Assembly Tool 1 Probe Kit 100 pieces 1 Neck Strap ...

Страница 13: ...e familiar with these items when following the instructions in this manual The Touch Screen Display The touch screen display provides the interface to all operations You can select items on the touch screen using your finger or the stylus that is provided Do not use a pen pencil or other sharp instrument as this may damage the screen Sampling Ports Sampling ports permit air to flow into and out of...

Страница 14: ...e Assembly 3 connects here The Ambient Port fitting is blue and marked with the letter A 3 The Twin Tube Assembly consists of a pair of tubes the Sample Tube and the Ambient Tube The Twin Tube Assembly is about 5 5 feet 1 7 meters long It must never be lengthened by more than a few inches for fit testing The Sample Tube is 7 inches 18 cm longer than the Ambient Tube The Twin Tube must not be lengt...

Страница 15: ...ion between the PORTACOUNT PRO fit tester and a USB port on the PC The USB cable provided with the PORTACOUNT PRO fit tester connects here 5 Two USB Series A receptacles let you connect a USB mouse USB keyboard or a USB flash drive thumb drive 6 The External Power Connector connects the AC Adapter to the PORTACOUNT PRO fit tester 4 5 6 ...

Страница 16: ...10 Chapter 2 7 The AC Adapter plugs into the External Power Connector on the PORTACOUNT PRO fit tester and an AC wall outlet The AC Adapter senses the input voltage automatically 7 ...

Страница 17: ...Storage Cap is used to cover either the Cartridge Cavity of the PORTACOUNT PRO fit tester or the Alcohol Fill Capsule whichever does not currently hold the Alcohol Cartridge 11 Two spare Alcohol Wicks are included with the PORTACOUNT PRO fit tester 12 The Alcohol Fill Capsule is used to store and fill the Alcohol Cartridge 13 The PORTACOUNT PRO fit tester is shipped with 16 bottles of reagent grad...

Страница 18: ...rs are shipped with each PORTACOUNT PRO fit tester The adapters are used to connect the Sample Tube to a respirator sample fitting or probe that is larger than the 1 8 inch 3 mm inside diameter of the Sample Tube One of the Tube Adapters fits 3 16 inch 4 7 mm fittings and the other fits 1 4 inch 6 3 mm fittings An adapter is not needed for respirators equipped with a 1 8 inch 3 mm fitting 14 15 16...

Страница 19: ...nd other information related to TSI fit testing products and fit testing in general There is no printed FITPRO software manual in lieu of the online help 20 The CD that contains the FITPRO Fit Test Software is located in one of these convenient storage cases 21 The Carrying Case provides protection and convenience The case is designed to hold the PORTACOUNT PRO fit tester and standard accessories ...

Страница 20: ... Tool Used to install the sampling probes in filtering facepiece disposable respirators 25 Probe Kit Includes 100 disposable probes 26 Neck Strap Supports the Twin Tube assembly when sampling running fit tests on filtering facepiece disposable respirators 24 25 26 ...

Страница 21: ...cm3 ambient particle concentration needed for the PORTACOUNT PRO fit tester to do a fit test this optional particle generator supplements naturally occurring room concentration with non toxic salt NaCl particles in the right size range for the PORTACOUNT PRO fit tester Refer to the Model 8026 Particle Generator information on the TSI Web site 9Hhttp software tsi com 27 ...

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Страница 23: ... an instrument like the PORTACOUNT PRO fit tester The probed respirator is only used for fit testing and cannot legally be used in a hazardous environment You will need at least one respirator of each make model and size your company issues After the fit test the individual should be issued a respirator with the identical facepiece only without the probe Most probed respirators are obtained from t...

Страница 24: ...s posted on the TSI Web site 10Hhttp fittest tsi com Homemade Adapters A sampling adapter can be made by modifying a respirator cartridge This usually involves running a tube through the cartridge and into the respirator TSI recommends that you avoid this option because it is so easy to do poorly The most fundamental mistake that is often made is to not extend the sampling tube through the inhalat...

Страница 25: ...the person being fit tested The tools sampling probes and push nuts contained in the probe kit lets you install a sampling port onto any disposable filtering facepiece respirator WARNING Once a sampling probe has been installed the respirator can not be used for respiratory protection Ported respirators are for quantitative fit testing only Discard or sanitize the respirator after each fit test is...

Страница 26: ...n s chin For respirators with center mounted exhalation valves install the probe to the left or right of the valve Do not install the probe above or below the valve because this risks having the probe blocked by the person s nose or chin Bottom panel shown Wrong probe location below or above valve Correct probe location to left or right of valve ...

Страница 27: ...ide the sampling probe onto the piercing tool As the pointed end of the piercing tool is very sharp be extremely careful when handling it 3 Choose a location on the mask that is in front of the person s nose mouth region Avoid seams and folds in the mask 4 Pierce the mask at the selected location using the piercing tool with the loaded sampling probe Be sure to pierce the mask from the inside Samp...

Страница 28: ...m falling off 7 Position the anvil tool with the loaded push nut over the protruding point The mask should now be pinched between the two tools 8 Press the two tools firmly together to force the push nut as far as possible onto the probe The mask material should be tightly pinched and the mask sampling probe and push nut should be joined together as illustrated Push the Tools Together to Fasten th...

Страница 29: ...k material more tightly Note Once you install a sampling probe into a disposable mask the mask cannot be used for respiratory protection Probed masks are to be used for quantitative fit testing only Discard each probed disposable mask after a fit test is completed Positive Pressure Respirators Refer to 11HAppendix F for a discussion on Fit Testing positive pressure respirators with the PORTACOUNT ...

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Страница 31: ...f a permanent record is desired If you want to save fit test results or other data when using the PORTACOUNT PRO Respirator Fit Tester in Stand Alone mode not controlled by the FITPRO Fit Test Software you must have a flash drive containing a valid database attached to one of the USB ports The fit test procedure0F 1 is broken down into 5 steps 1 Prepare the PORTACOUNT PRO Respirator Fit Tester for...

Страница 32: ...ecause the Alcohol Cartridge is inserted into the Cartridge Cavity of the instrument it is critically important to keep it clean Any dirt or debris that gets into the PORTACOUNT PRO fit tester can plug the small internal nozzle and prevent operation Do not allow the black part of the Alcohol Cartridge to make contact with any surface that may be dirty Keep the storage cap and alcohol cartridge cle...

Страница 33: ...pt into the Capsule 6 Squeeze alcohol into the Alcohol Fill Capsule until it is even with or slightly above the fill line 7 Recap the alcohol bottle immediately 8 Make certain the alcohol cartridge is clean If it has been contaminated refer to the Service and Maintenance chapter and follow the instructions to replace it If it is clean insert the Alcohol Cartridge into the Alcohol Fill Capsule and ...

Страница 34: ...ohol Fill Capsule Stop when excess alcohol is no longer dripping it is not necessary to wait until the outside surface of the Alcohol Cartridge is dry 11 Insert the Alcohol Cartridge into the Cartridge Cavity of the PORTACOUNT Pro Respirator Fit Tester It should slide in with little effort DO NOT FORCE IT As you approach full insertion firmly twist the Alcohol Cartridge clockwise until it locks in...

Страница 35: ...cohol indefinitely Install the Storage Cap into the Cartridge Cavity to prevent dirt or lint from getting inside the PORTACOUNT PRO fit tester Step 2 Attach Flash Drive and Select Database optional If you want to save fit test results or other data when using the PORTACOUNT PRO Respirator Fit Tester in stand alone mode you must have a flash drive containing a valid database in the root directory a...

Страница 36: ...OUNT PRO 8038 with N95 enabled Zero Check Max FitFactor Check Valve Check optional The optional valve check should be performed to help diagnose why a Max FitFactor check failed Completed daily checks provide confidence that the PORTACOUNT PRO fit tester is working properly Failure of any of the daily checks requires immediate attention See 12HTroubleshooting chapter If the PORTACOUNT PRO Respirat...

Страница 37: ...n of particles in the ambient air is sufficient to conduct fit testing When the test begins progress is shown in the Test Status box on the screen For the Model 8030 the Particle Check passes if the particle concentration is 1000 or above and fails if the particle concentration is below 1000 For the Model 8038 the Particle Check passes if the particle concentration is 30 or above and fails if the ...

Страница 38: ...ificially added to prevent division by zero when calculating the fit factor Performing this test is futile if there are leaks in the system If this test fails refer to the 15HTroubleshooting chapter 10 If you checked the Enable Valve Check box the valve check is performed last 11 Press EXIT when the tests are complete If the PORTACOUNT PRO fit tester passed all tests proceed to 16HStep 4 Conductin...

Страница 39: ... support neck strap should be positioned so that the tubing does not pull the mask off the person s face Have the person tilt his or her head up and down turn side to side and bend over to see if the tubing pulls the mask away from their face If it does readjust the neck strap or the tubing and repeat check the fit again ...

Страница 40: ... name is displayed then then press Next to select the respirator for the fit test Note If the person you want to fit test is not in the database press New and create a new record by typing in the information required To add information press the field you want to enter and an on screen keyboard appears Use the stylus to type the information Alternatively you can plug a USB keyboard into one of the...

Страница 41: ...s in the database Use the stylus to select the respirator you want to use Note You cannot add a protocol to the database here If the protocol you want to use for fit tests is not in the database or if no records are in the database you must exit the Fit Test function and use the Database tab to access the protocol database see 19HChapter 5 You can also use FITPRO software to update the database to...

Страница 42: ...ctors and calculating overall fit factors 15 PORTACOUNT PRO fit tester beeps to alert the person being tested it is time to begin the next exercise The exercises proceed one after another without pause Exercises that pass are highlighted in green Exercises that fail are highlighted in red Have the test subject follow the exercises one after another when prompted by the instrument Each exercise tak...

Страница 43: ...The OSHA protocol includes special provisions for the grimace exercise It is allowed to be 15 seconds long and the resulting fit factor may be discarded excluded before calculating the overall fit factor This is allowed because the grimace exercise is done to intentionally break the face seal in order to make sure the mask reseats itself before the next exercise Bend and touch toes Bend at the wai...

Страница 44: ...ator manufacturer for specific information If the fit test is terminated before the last exercise is completed by pressing Stop the display indicates the test has stopped No overall fit factor is displayed 17 You can now begin to test another person by pressing Exit Step 5 Record Results If you use the PORTACOUNT PRO Respirator Fit Tester in stand alone mode and do not have a active database on th...

Страница 45: ...ome of the most common problems that result in lower than expected fit factors are described below Assuming the PORTACOUNT PRO fit tester passes the Daily Checks explore the following possibilities Not using high efficiency filters If you are not using high efficiency class 99 or class 100 filters P3 for non USA users on the respirator you may never get a high fit factor Filters such as class 95 P...

Страница 46: ...adapter due to wear Cut a short piece off the end of the tube to expose a fresh end Hair interfering with face seal Make sure there is no hair between the respirator face seal and the individual s skin Hair or foreign material in exhalation valve Make sure the exhalation valve is clear A single hair can make a big difference Cigarette smoker Do not allow the individual to smoke for at least 30 min...

Страница 47: ...e a message appears asking if you want to unlock the PORTACOUNT PRO fit tester If you respond YES the PORTACOUNT PRO fit tester breaks the connection with the computer and the FITPRO software and begins to operate in stand alone mode Note You may lose data already collected in the active flash drive database Refer to the online help of the FITPRO software for operating details Stand alone Mode The...

Страница 48: ...erally used for respirator training and troubleshooting It allows a test subject to experiment with strap tension and other adjustments while watching the effect these efforts have in real time The test subject learns how each adjustment affects the fit and learns how to achieve a fit that is comfortable and has minimum leakage Note This feature is intended for training It should not be used immed...

Страница 49: ... concentration reading and stores the value Next it purges the mask and then begins continuous monitoring of the mask concentration The line graph lets you and the test subject observe the Fit Factor reading as it fluctuates in near real time There is a delay of a few seconds between when a change in fit occurs and when the graph displays the change in fit factor The graph pauses every 5 minutes w...

Страница 50: ...h drive attached to the PORTACOUNT PRO fit tester a messages appears to warn you If you do not want to use a database from a flash drive press Done otherwise insert a flash drive with a valid database or databases in the root directory and press Refresh Note Unless a flash drive with valid database files is inserted in one of the USB ports you cannot use a real database The database stored in the ...

Страница 51: ...sary refer to the FITPRO Fit Test Software User s Manual for a description of these fields 3 Press Exit to close the People list Respirators Select Respirators to view the records of the respirators in the active database or add a new respirator to the database 1 To view the records press the arrow at the right of the Respirator List Select a record by pressing the respirator name in the dropdown ...

Страница 52: ...ient Sample Time Use the up down arrows to set the time in seconds the ambient air is sampled before the Mask purge time begins Cancel Closes the dialog without saving any changes Exercise Name A list of all the exercises in the protocol up to 12 exercises Exclude Check this box if you want PORTACOUNT PRO fit tester to exclude this exercise when calculating the fit factor This exercise then is ess...

Страница 53: ...st immediately when any exercise fails If the protocol requires all exercises to pass check this box Most regulations allow an exercise to fail as long as the overall fit factor passes Default is unchecked Refer to the regulation or standard that applies to your industry or hazard for guidance on which exercises should be performed and how many there should be 4 Press Save to save the new protocol...

Страница 54: ...PORTACOUNT PRO fit tester The box that appears also contains other information that may be helpful with troubleshooting the instrument with a TSI representative Touch Screen Calibration Press Touch Screen Calibration to recalibrate the touch screen The touch screen needs recalibration when you touch one area of the screen and the wrong action is performed This is most noticeable when using the on ...

Страница 55: ...ter is factory programmed not to allow fit testing when the ambient particle concentration is below 1000 particles cm3 for the Model 8030 or 8038 when testing masks with efficiencies or greater and 30 particles cm3 for the Model 8038 when testing masks with 99 efficiencies If the ambient sample in Fit Test Mode is below these levels the Low Particle message appears on the touch screen display and ...

Страница 56: ...lcohol Cartridge with wick Shipping Storage Precautions When transporting or storing the PORTACOUNT PRO Respirator Fit Tester it is important to remove all alcohol Transporting or storing the PORTACOUNT PRO fit tester with the alcohol cartridge inside may cause flooding of the optics When you put the PORTACOUNT PRO fit tester back into the carrying case you should do the following 1 Remove the Alc...

Страница 57: ...ol Cartridge The wick becomes contaminated with dirt oil or other foreign substances This should not happen unless the instrument is used to sample aerosols other than those normally found in ambient air If the Alcohol Wick is contaminated it should be discarded and replaced with a new one Note that some discoloration of the wick is normal and will not influence performance To remove the Alcohol W...

Страница 58: ...nto the PORTACOUNT PRO fit tester 5 Inspect the inside surfaces of the Alcohol Cartridge and the Wick Retainer Cap Blow air into them if necessary to make certain that there are no dust particles present 6 Blow air onto all surfaces of the Alcohol Wick that will be used to make certain that any loose particles that may have shed from the wick are removed 7 Examine both ends of the wick You will no...

Страница 59: ...if necessary Procedure A Obtain a source of clean compressed gas such as Chemtronics or equivalent It must have a long nozzle straw in order to reach deep into the PORTACOUNT PRO Respirator Fit Tester Turn the PORTACOUNT PRO fit tester off and remove the alcohol cartridge Insert the long nozzle inside the PORTACOUNT PRO fit tester as shown Keep the end of the nozzle centered in the cavity and gent...

Страница 60: ...end so that you can look down into the cartridge cavity Take a bottle of the alcohol used to operate the PORTACOUNT PRO fit tester and drip 3 to 4 drops down into the cartridge cavity Try to keep the drops centered so they hit the bottom without touching the sides Do not use too much One drop is enough if it all reaches the nozzle Keep the PORTACOUNT PRO fit tester in this vertical position for ab...

Страница 61: ...Service and Maintenance 55 ...

Страница 62: ......

Страница 63: ...ough there is plenty of alcohol and plenty of particles in the room and also having to frequently replenish the alcohol supply such as every hour or less Changing the Alcohol Wick is the best way to solve the problem You could also dry the wick by leaving the Alcohol Cartridge in the PORTACOUNT PRO and then running it overnight or by removing the wick from the cartridge and letting it dry for 48 h...

Страница 64: ...urn to factory for service Nozzle is plugged See 33HNozzle Cleaning in Service and Maintenance chapter Low Particle message Low on alcohol Replenish alcohol Hoses are reversed on Twin Tube Assembly Verify the hoses are connected properly to the PORTACOUNT PRO and mask Wrong tube is connected to respirator Connect the proper tube to the respirator clear tube Twin Tube Assembly is kinked pinched or ...

Страница 65: ...Maintenance chapter Unit needs recalibration and cleaning Return the instrument to TSI for service Does not switch on AC Adapter not plugged in to unit or AC outlet Connect AC Adapter Fails Zero Check Alcohol Cartridge is loose Tightly close the Alcohol Cartridge Twin Tube Assembly leaks Repair or replace the Twin Tube Assembly Filter leaks Repeat the test with a different filter Ends of Twin Tube...

Страница 66: ...rs or a malfunctioning exhalation valve Twin Tube Assembly is disconnected Install proper filter for fit testing Repair the respirator Connect the Twin Tube Assembly to the PORTACOUNT PRO fit tester Twin Tube Assembly is not connected to respirator sampling port Connect the Twin Tube Assembly to the respirator sampling port clear tube Twin Tube Assembly Leaks Repair or replace the Twin Tube Assemb...

Страница 67: ...htly close the Alcohol Cartridge Respirator is not equipped with HEPA filters Install HEPA filters for fit tests Twin Tube Assembly is kinked pinched or blocked Straighten out the Twin Tube Assembly or remove the obstruction Leaking respirator probe Tighten or seal probe Tubing in fit test adapter is kinked or pinched Straighten out tubing Respirator is faulty Fix or replace the respirator Particl...

Страница 68: ...r leaking Replace cover and O ring Plugged nozzle See 35HNozzle Cleaning in Service and Maintenance chapter Requires frequent refill of alcohol every hour or less Moisture build up inside Alcohol Wick Change Alcohol Wick inside cartridge Run 2 hours to dry optics remove the alcohol cartridge and install storage cap Use only approved alcohol Alcohol visible in Twin Tube Assembly or coming out of Ex...

Страница 69: ...greater than 1 micrometer Typical Fit Factor Accuracy 10 of reading up to fit factors of 10 000 Temperature Range Operation 32 to 100oF 0 to 38oC Storage 40 to 160oF 40 to 70oC Flow Rate Sample 350 cm3 min Total 1000 cm3 min nominal Power Requirements 100 to 250 VAC 50 to 60 Hz Alcohol Hours per charge 6 hours at 70oF 21oC Alcohol type Reagent grade isopropyl 99 5 or better Carrying Case Size 21 x...

Страница 70: ...38 PORTACOUNT PRO Respirator Fit Tester Size 9 5 x 8 5 x 6 75 in 24 x 22 x 17 cm Weight Unit only 6 8 lb 3 1 kg With standard accessories and case 18 lb 8 2 kg Fit Factor Range 1 to greater than 10 000 1 to 200 for 99 efficiency masks Concentration Range 0 01 to 2 5 x 105 particles cm3 Particle Size Range 0 02 to greater than 1 micrometer Typical Fit Factor Accuracy 10 of reading up to fit factors...

Страница 71: ...y Recalibration Interval 1 year Warranty Two years on workmanship and materials Respirator Facepieces that can be Fit Tested Full face elastomeric Half face elastomeric NIOSH series 100 filtering facepiece NIOSH series 99 filtering facepiece NIOSH series 95 filtering facepiece Fit Factor Measurement Direct measurement of fit factor Cout Cin Mask leakage is measured simultaneously while test subjec...

Страница 72: ......

Страница 73: ...ss through the class 100 or class 99 filters used on the respirator any particles that get into the respirator must have come in through a leak The PORTACOUNT PRO fit tester has two sample tubes one samples ambient air and the other attaches to the respirator and samples from inside it A valve inside the PORTACOUNT PRO fit tester switches from one tube to the other according to a programmed sequen...

Страница 74: ...ormed with virtually any aerosol including ambient air Aerosol is drawn through the instrument by a diaphragm vacuum pump operating at a flow rate of 1 0 liter per minute The flow enters the instrument through either the ambient port or the sample port The switching valve determines which port is used The outlet of the switching valve leads to the saturator end cap where the flow splits A flow rat...

Страница 75: ...d onto a photodetector The photodetector generates an electrical pulse from the scattered light as each droplet passes through the sensing volume The particle count is determined by counting the number of pulses generated during a given time period Knowing the particle count time period and flow rate allows particle concentration to be computed ...

Страница 76: ......

Страница 77: ... sample before the first fit factor can be calculated Both the ambient and respirator concentrations are determined by integration The integrated concentrations are determined by the total number of particles counted during the sample periods Fit factor is actually calculated by R A B C C C FF 2 where FF fit factor CB particle concentration in the ambient sample before the respirator sample CA par...

Страница 78: ... where FFx fit factor for test cycle n number of test cycles exercises Disclaimer The measurement provided by the PORTACOUNT PRO Respirator Fit Tester is an assessment of respirator fit during a fit test only Respirator fit at other times will vary The fit factor value is not intended for use in calculating an individual s actual exposure to hazardous substances ...

Страница 79: ... sec The reason that we use 5 83 cm3 sec in the calculations above is because the flow path inside the PORTACOUNT PRO is divided into two branches the sensor flow and the bypass flow The sensor flow is set at precisely 5 83 cm3 sec and the bypass flow is approximately 10 8 cm3 sec Using the equation above you can see that the minimum measurable concentration is 0 17 particles per cm3 in 1 Second C...

Страница 80: ......

Страница 81: ...ample taken before and after each exercise to compute the fit factor The two ambient particle concentrations are averaged together and then divided by the mask particle concentration to yield the fit factor for that exercise Averaging the before and after ambient particle concentrations is done to offset any ambient particle concentration drift that may have occurred during the mask sample C a u t...

Страница 82: ......

Страница 83: ...own copy see TSI Application Note ITI 056 Respirator Fit Testing Highlights for OSHA Respiratory Protection Standard 29CFR1910 134 on our website 36Hhttp fittest tsi com Self Contained Breathing Apparatus SCBA are respirators that supply breathing air from a backpack mounted tank The most common application for SCBA is fire fighting There are other types of positive pressure respirators also inclu...

Страница 84: ...sk and allow the use of filter cartridges Added benefits of this method are that an integrity test of the mask is performed simultaneously with the fit test and also the hygienic concerns associated with sharing a test mask are greatly reduced Fit Test Adapters are available from the respective respirator manufacturer and from TSI for many popular respirators When an adapter is not available the o...

Страница 85: ...it reaches the facepiece There is no OSHA requirement to do this type of performance testing Related information located on the TSI Web site 37H38Hhttp fittest tsi com TSI Application Note ITI 070 Introduction to Respirator Fit Testing TSI Application Note ITI 029 What You Need to Quantitatively Fit Test Various Brands of Self Contained Breathing Apparatus Available in the USA Fit test adapter Lis...

Страница 86: ......

Страница 87: ...81 Appendix G The Rainbow Passage ...

Страница 88: ......

Страница 89: ... cavity 11 cartridge not tight 39 CD storage case 13 changing alcohol wick 51 cigarette smoker 40 clear tube 8 common problems 39 conduct a fit test 25 conduct fit test 35 conducting fit test 32 connections electrical 9 D daily check 42 daily checks 30 database tab 44 date and time 47 demo database 1 device info 48 dialog box select a respirator 34 disclaimer ii 3 E electrical connections 9 enable...

Страница 90: ...board on screen 34 35 45 46 47 48 USB 9 34 L leaking fit test adapter 40 leaking continued PORTACOUNT sample tube 40 probe 40 low alcohol level 49 low fit factors common problems 39 low particle 49 M maintenance 49 mask purge time 46 mask sample time 47 mask size 35 max FF check 32 modes of operation 41 N N95 Model 8038 only 47 N95 enabled 31 neck strap 14 new exercise name 46 next test due in __ ...

Страница 91: ...eordering supplies 50 respirator fit testing with personal respirator 18 leaking probe 40 manufacturers technique 18 probed test 17 respirator continued probes for filtering facepiece 18 quantitative fit testing 17 testing positive pressure 77 training 2 respirator list field 35 respirator table 45 S sample port 8 sample timing field 47 sample tube 8 length 8 too long 39 sampling hose kit 50 sampl...

Страница 92: ...2 calibration 48 training verification 2 transporting or storing 50 troubleshooting 57 tube adapter 8 tube adapters 12 twin tube assembly 8 50 U unpacking 5 USB flash drive 13 29 44 USB keyboard 9 USB receptacles 9 user interface 41 42 V valve check 31 32 W X Y warranty i wick removing 51 Z zero check 31 fails 59 zero check filter 13 ...

Страница 93: ...3 491 95 21 90 E mail tsifrance 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 Contact your local TSI Distributor or visit our website www tsi com for more detailed specifications P N 6001868 Rev B Copyright 2008 by TSI Incorporated Printed in ...

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