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The Primary Calibrator 4146 has a range of 0.01 to 20 liters per minute (L/min).

Indoor air quality monitoring helps protect emergency responders' health and safety.

The DustTrak Environmental Monitor is an air monitoring system built to house DustTrak photometer models 8540 or 8543. DustTrak's early detection features allow quick response to exposure concerns. This system is built upon proven DustTrak technology that thousands of people...

At TSI, we feel a responsibility to give back to neighborhoods, cities, and students some of the opportunities that allowed us to grow and flourish.

Flow Rate 1 CFM (28.3 L/min) / Particle Size Range 0.3 to 25 μm / Integrated Pump

Flow Rate 1 CFM (28.3 L/min) / Particle Size Range 0.5 to 25 μm / Integrated Pump / VHP Option

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...