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Quantitative fit testing does not rely on your sense of taste smell or irritation in order to detect the leakage.
Mask fit testing machine. There are two types of fit test solutions for. Fit testing kit irritant smoke honeywell 770046 replacement tubes for verifit irritant smoke kit pack of 10 13212 132. The mask integrity test accessory mita in tandem with the portacount respirator fit tester tests full face respirators and chemical biological radiological and nuclear defense cbrn gas masks. How to setup and get started fit testing duration.
12 1321kit 15518 15518. Please note the qualitative fit testing instructions for the 3m 1870 respirator surgical mask are the same for other 3m particulate respirators. Using air pressure as the challenge agent in fit testing gives the most accurate results and there are published scientific studies to prove it. A barbed fitting on the fit test adapter body may be connected to an appropriate quantitative fit test apparatus.
The portacount pro respirator fit tester 8038 eliminates the guesswork associated with tedious and error prone qualitative fit test methods. The test report and the card show a fit factor at an acceptable level but not a certificate. Levitt safety will issue a fit test card and report for kn95 masks tested to pass the csa protocol. The importance of fit respirator fit is important because it involves several major issues.
A fit test adapter is required for each model of scba mask being tested. Portacount respirator fit tester 80408048. The best technology that i have found is the ohd fit tester. This method uses controlled negative pressure to actually quantify the size of the leak if any in the mask.
A fit factor of at least 100 is required for half mask respirators and a minimum fit factor of 500 for a full facepiece negative pressure respirator. No other respirator fit tester can quantitatively fit test all types of respirators gas masks scbas respirators even n95 p1 and p2 disposable filtering facepiece respirators. The respirators seal a good fit means the respirator will seal. It is attached to the threaded connector of the apr adapter and a sample tube is inserted through the apr adapter inhalation valve.
A note on fit testing kn95 masks. Learn more about quantitative fit testing of respirators. If the mask requires fit testing count on the portacount pro fit tester to provide the fastest easiest and best hse uk and osha us compliant fit test method.
