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The 7525 IAQ Meter measures and data logs multiple parameters such as carbon dioxide (CO2), temperature, and humidity. It calculates dew point, wet bulb temperature, and percent of outside air.

Vortex3 Air Sampling Telescopic Mast Spare

Professional repair and calibration for the TSI Model 987 IAQ/VOC probe, restoring performance and delivering verified accuracy and confidence in VOC and indoor air quality measurements. Includes replacement of the VOC sensor (PID lamp and electrode stack).

Zero filter assembly (sold separately) for use with AeroTrak®+ 1.0 CFM Remote Particle Counters.

Thiamis 4G modem kit for DustTrak Environmental monitors.