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PortaCount™ Respirator Fit Tester 8048

SKU: 8048

The PortaCount™ Respirator Fit Tester is a quantitative respirator fit tester that supports respiratory protection programs throughout the entire fit test process; from training and mask selection through compliance.

*Tablet and laptop are not included with the instrument. Tablet is included with the 8040T and 8048T bundles.

The Best Fit Tester is now the Fastest

PortaCount™ Respirator Fit Tester complies with new OSHA Modified CNC Protocols.


Product Details

The PortaCount™ Respirator Fit Tester Model 8048 provides a consistent and objective testing experience across all respirator types, including all N95 filtering facepieces. FitCheck Mode shows in real-time how respirator fit changes throughout donning and adjustment, helping users select the right mask and identify the best fit more quickly. Video animations guide staff through proper fit test exercise movements during a fit test, providing a consistent testing experience and freeing fit test administrators to multitask. Group fit testing allows administrators to test up to four personnel with four PortaCounts simultaneously.

Software and Application Details

TSI has redesigned every aspect of the PortaCount Fit Tester's FitPro™ Ultra software. An all new user interface and industry-first features combine to create the most powerful fit test instrument available. From touchscreen tablets to PC laptops, the software is easy to use and similar to applications on your own personal devices.

Bundle & Save: Unleash the versatility of your PortaCount

Bundle includes: PortaCount 8048 Respirator Fit Tester, Microsoft Surface Go® Tablet, WiFi USB Adapter, and USB Cable, in addition to standard accessories kit.

  • Touchscreen tablet for easier, more efficient, more productive testing
  • Wireless connectivity gives you more freedom to multitask and assist your test subjects.
  • Get up and running quickly with one purchase at a bundled price

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Features and Benefits

  • Compatible with new Modified CNC Protocols
  • OSHA, CSA, HSE INDG, ANSI/ASTM, ISO, INRS and JIS accepted for all for ALL Full-facepiece and Half-facepiece tight fitting elastomeric respirators, including NIOSH Series -95 /-99 /-100; EN -FFP1 / -FFP2 / -FFP3 filtering facepiece respirators
  • Built-in N95 Companion™ technology
  • Real-Time FitCheck™ Mode shows respirator fit in real-time for improved mask selection and training
  • Animated fit test steps guide users though the proper movements for each exercise
  • Group Fit Test Mode allows administrators to control up to four instruments from a single control screen
  • FitPro™ Ultra Fit Test Software automates training, testing and recordkeeping
  • The new app-like interface is easy to use and allows users to start a fit test quickly, in fewer steps
  • Measures fit factors greater than 10,000
  • Software can print fit test cards with fit test report
  • FitPro Ultra Software backward compatibility available for 8030 and 8038 models


  • Quantitative respirator fit testing (QNFT)
  • Half-mask fit testing
  • Full-face fit testing
  • Disposable filtering-facepiece fit testing for Series 100/99/95/P1/P2/P3 masks
  • SCBA fit testing
  • Gas mask fit testing
  • PAPR fit testing

Included Items

  • N95-Companion™ technology
  • Carrying case
  • AC adapter
  • AC power supply with global plug adapters
  • Alcohol supply (sixteen 30 ml bottles of 99.5% reagent grade isopropanol – enough for ~240 hours of operation)
  • FitPro™ Ultra Software
  • Particle generator
  • Standard accessory kit (twin tubing, zero filters, spare wicks, alcohol fill capsule and cartridge, USB cable)
  • Filtering Facepiece fit testing kit (probe insertion tool, probes, lock nuts, lanyard)

TSI Mask Sample Adapter Kit Model Numbers can be found here

Are you also doing Qualitative Fit Testing? Are you doing it right?

If you’re also doing quantitative fit testing we can help ensure you’re doing it consistently and correctly. Enhance your fit testing process with Qualitative Fit Testing Software from TSI. 

Available in US only. Offered in package pricing.

Learn More 

Related Resources

  • Application Notes
  • Brochures
  • Case Study
  • Installation Instructions
  • Manuals
  • Model Comparison Guide
  • MSDS
  • Quick Guides
  • Spec Sheets
  • Videos
  • White Papers

Application Notes


Model Comparison Guide