AZ-7752 Handheld CO2 Tester Meter Indoor Air Quality Meter Gas Analyzer
Description
- Low cost portable meter checking indoor air quality
- Big LCD with CO2 &temperature display simultaneously
- Designed with NDIR (non-dispersive infrared) waveguide technology CO2 sensor
- Manual calibration is recommended
- Warning carbon dioxide level programmable
- Backlight function for working in dark place
- Long time drift compensation
- Audible alarm (~80db) threshold setting
- Max ,min, average functions included
- PC output every 2 seconds for on line analysis
- Hold function freezes current readings
- Display 8 hrs TWA value (time-weighted average) or 15 minutes STEL value (short-term exposure limit)
- Housing design surrounds with rails to help air ventilation for quick and accurate response
- Easy to calibrate at fresh air around 380-420ppm
Specification
HYJ
2019-03-20
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