Desktop Indoor Air Quality IAQ Temperature Humidity RH Carbon Dioxide CO2 Tester Meters Monitor with Non-Dispersive InfraRed (NDIR) sensor 2 alarm limit

This CO2 monitor is a desktop type unit designed for fast and accurate measurement of CO2 level, air temperature and humidity. The built-in Non-Dispersive InfraRed (NDIR) sensor provides long term stable monitoring. User can set 2 alarm limits: upper & lower limit. It has an audible & visual alarm to give warning when CO2 concentration exceeds the limit. Once CO2 level goes back to normal the alarm will automatically stop, alarm can be also be stop by pressing any key.

Features:
Long time drift compensation
Manual CO2 calibration with calibration indicator
With power adaptor output voltage indicator via LCD and LED light
Factory pre-calibrated
With CE Marking, passed the standards and had been approved by Europen Directives for health & safety
Perfect to be used to monitor air quality in schools, office buildings, greenhouses, factories, hotels, hospitals and anywhere that high levels of carbon dioxide are generated

Specifications:
Response:
>CO2:lt;2 mins (90% step change)
Air Temp.: <2 mins (90% step change)
.Air RH%: lt;10 mins (90% step change)
Good: lt;700ppm (can be set by user)
Normal: 700~1000ppm (can be set by user)
greater -Poor: >"Normal"
Max/Min function
Alarm: >1000ppm (programmable by user)
Operating Condition: -10~50C, 5~80%RH (Be sure to avoid condense)
Storage Condition: -20~60C, 5~90%RH (Be sure to avoid condense)
Power Supply: Power adaptor (5V/0.5A output)

Set Includes:
1 x C02 Desktop Monitor
Power adaptor (5V/110V /0.5A output) (Available in UK / US / EU / AU plug)
1 x English Operation Manual
Standard White Packaging Box