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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...

AirAssure™ 8144-6 IAQ Monitor measures SO2, O3, NO2, CO, VOCs, CO2, particulate matter, barometric pressure, temperature and relative humidity. The AirAssure™ IAQ Monitor in combination with TSI Link™ Solutions software are essential to creating, managing, and deploying your...

The Airflow™ Instruments TA550 is a portable, handheld Multi-Function micromanometer featuring a menu-driven user interface for easy operation. The high-resolution color screen displaying multiple measurements simultaneously in real-time with on-screen prompts to guide you...

Range: 0 to ± 30 Std L/min Accuracy: 2% of reading Calibration: Air, O2, N2* Includes Standard Accessory KitIdeal for Continuous Flow Oxygen Concentrator testing*Nitrogen gas is a correction from the air calibration

AcoustiCal Class 1 Calibrator for TSI Quest SoundPro, Sound Examiner, Edge 4 & Edge 5 Noise Dosimeters, and Sound Detector instruments. 

Range: 0 to ± 30 Std L/min Accuracy: 2% of reading Calibration: O2 Includes Standard Accessory KitISO 17025 Accredited Version

Range: 0 to ± 30 Std L/min Accuracy: 2% of reading Calibration: Air, N2* Includes Standard Accessory Kit*Nitrogen gas is a correction from the air calibrationISO 17025 Accredited Version

Range: 0 to ± 30 Std L/min Accuracy: 2% of reading Calibration: Air, CO2, N2* Includes Standard Accessory Kit*Nitrogen gas is a correction from the air calibrationISO 17025 Accredited Version