Air Quality Meter CO2 Monitor Wallmount Indoor Temperature Tester monitor checking indoor air quality

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, (5001~9999 ppm out of scale range)
* Temperature:-10~60 C (14~140 F)
*Resolution:1ppm , 0.1 C/ F
*Accuracy:+30ppm+5% of reading(0~5000ppm) 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