Smart Meter Wall mounting type CO2 & temperature monitor Tester monitor checking indoor air quality

Product Description
Low cost wall mount monitor checking indoor air quality
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
Measuring range:0~9999 ppm, (2001~9999 ppm out of scale range) Temperature:-10~60 C (14~140 F)
Resolution:1ppm , 0.1 C/ F
Accuracy:+50ppm+5% of reading(0~2000ppm) Other ranges are not specified
Temperature:+0.6 C/+0.9
FWarm-up time:30 seconds
Power supply:12VDC adaptor
Battery life:<50mA(average), <310mA(peak)
Meter size (LxWxH,mm):130x 85 x 60
Standard package:Meter, manual,12V USA type plug adaptor, plain box