Description
- Brand Name: az
- DIY Supplies: ELECTRICAL
- Gas Type: CO2
- Model Number: AZ7721
- Measurement Range: 0~9999ppm
- With LCD Screen Or Not: Yes
– Super large LCD displays CO2&temp. simultaneously
– Designed with NDIR (non-dispersive infrared) waveguide technology CO2 sensor
– ABC (automatic background calibration) preset on for long time drift compensation
– Warning carbon dioxide level programmable
– Visible & audible alarm (~80db) are both available
– Alarm output drives built- in relay to control ventilation system
– Max ,min, average functions included
– PC output to computer for on line analysis
– 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 manually calibrate at fresh air around 380-420ppm
– Temperature unit is switchable
ZC
2019-08-23
