- Phone
-
Address
8th Floor, Building 2, East China Normal University Science and Technology Park, 1038 Jinshajiang Road, Shanghai, China
Shanghai Zequan Technology Co., Ltd
8th Floor, Building 2, East China Normal University Science and Technology Park, 1038 Jinshajiang Road, Shanghai, China
major function |
![]() |
||||||||
Monitoring indoor air quality and greenhouse CO2 concentration, divided into handheld and wall mounted, can simultaneously display temperature, relative humidity, and CO2 concentration. |
|||||||||
system composition |
|||||||||
Host, AA battery (3440 type), power adapter (3445) |
|||||||||
technical parameter |
|||||||||
|
Simultaneously display temperature, relative humidity, andCO2 Temperature:-10to60℃ (accuracy ±)0.5℃) Relative humidity:0to99.9%Accuracy ±3% CO2:0to2000ppmAccuracy ±5%
3440 handheld temperature, relative humidity, CO2 measuring instrument (including 4 AA batteries) 3445 wall mounted temperature, relative humidity, CO2 measuring instrument (including 100-220VAC to 12VDC adapter) |
|||||||||
| Place of Origin:American Spectrum | |||||||||