Respiratory Fit Testing

What Is Respirator Fit Testing

Respirators protect the wearer from inhaling chemicals and toxic materials. Without them, these hazards could have a devastating impact on the pulmonary and general health of workers.

Simply wearing a mask, however, is not enough to ensure adequate protection. The mask needs to fit tightly but comfortably on the wearer’s face. To protect the wearer, the respirator needs to form a seal around the face to prevent the penetration of hazardous substances. Users can sometimes feel that the respirator has been loosened and that the seal is broken, but judging the fit by feel alone is unreliable. For best results quantitative fit tests should be performed at least once a year to ensure that the respirator continues to provide optimal protection. A fit test should also be performed any time an employee undergoes a change that could affect how well the respirator fits on them. Gaining or losing a significant amount of weight, for instance, could affect the respirator’s ability to create a protective seal. Growing facial hair could also compromise the respirator’s fit, and major dental work could affect the facial structure enough to make a difference as well.

Qualitative Fit Testing

Qualitative fit testing is a pass/fail test method that uses your sense of taste or smell, or your reaction to an irritant in order to detect leakage into the respirator facepiece. Qualitative fit testing does not measure the actual amount of leakage. Whether the respirator passes or fails the test is based simply on you detecting leakage of the test substance into your facepiece.

Quantitative Fit Testing

Quantitative fit testing uses a machine, such as the TSI PortaCount, to measure the actual amount of leakage into the facepiece and does not rely upon your sense of taste, smell, or irritation in order to detect leakage. The respirators used during this type of fit testing will have a probe attached to the facepiece that will be connected to the machine by a hose.

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  1. PortaCount Pro Respirator Fit Tester Model 8030

    The PortaCount® Pro Respirator Fit Tester is the easy way to reliably fit test any tight-fitting respirators.
    By: TSI Quest
    Part #: 8030
    Call to Order
  2. PortaCount Pro Respirator Fit Tester Model 8038

    The PortaCount® Pro+ Respirator Fit Tester can fit test SCBAs, respirators, N95, P1 and P2 respirators.
    By: TSI Quest
    Part #: 8038
    Call to Order
  3. Particle Generator

    The Particle Generator Model 8026 is a unique instrument that supplements the ambient particle count, allowing the PortaCount® Pro+ Respirator Fit Tester to be operated in areas where the normal particle count is not sufficient.
    By: TSI Quest
    Part #: 8026
    Call to Order
  4. Isopropyl Alcohol, 30 ml (16 bottles)

    16 30-ml bottles of isopropyl alcohol for use with the TSI PortaCount Respirator Fit Test product line.
    By:
    Part #: 8016
    Call to Order
  5. HEPA Filter, Zero Check for Portacount

    Accessory for certain PortaCount Respirator Fit Tester products.
    By:
    Part #: 803X-ZFLTR
    Call to Order
  6. Punch-out Card Forms (250 sheets)

    Pack of 250 removable punch-out cards for use with TSI PortaCount 803x Respirator Fit Tester.
    By:
    Part #: 803X-CRDFRM
    Call to Order
  7. 100 Percent Pure Sodium Cloride (NaCl) Tablets, 100 tablets, 100mg each.

    Pack of 100 salt tablets for use with the TSI PortaCount Respirator Fit Test product line.
    By:
    Part #: 803011
    Call to Order
  8. Sampling Hose Kit for PortaCount (3 ea. 5-foot/1.5-meter, Twin-tubes, 10

    Accessory for certain Respirator Fit Tester products
    By:
    Part #: 8017
    Call to Order
  9. Alcohol wicks for Model 803x and 804x, pkg. of 10

    Pack of 10 alcohol cartridges for the PortaCount Respirator Fit Tester.
    By:
    Part #: 8033
    Call to Order
  10. Fit Test Probe Refill Kit for 8025-N95

    Use the TSI Model 8025-N95 Fit Test Probe Kit along with your PortaCount® Pro and Pro+ Respirator Fit Testers to quantitatively fit test filtering-facepiece (disposable) respirators¹.
    By: TSI Industries
    Part #: 8025-N95R
    Call to Order
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