Tongday Control Technology Co.,LTD
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Price: | 1.0~2.0 USD |
Payment Terms: | T/T,WU;PAYPAL |
Place of Origin: | Beijing, China (Mainland) |
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Gas detected | Carbon Dioxide (CO2) |
Sensing element | Non-Depressive Infrared Detector (NDIR) |
CO2 NDIR life | 15 years |
Accuracy@25℃(77℉) | ±40ppm + 3% of reading |
Stability | <2% of FS over life of sensor (15 yr typical) |
Calibration interval | ABC Logic Self Calibration Algorithm |
CO2 measuring range | 0~2000ppm -default value Up to 0~20,000ppm, programmable selection |
CO2 setting & Display resolution | 1ppm |
Pressure Dependence | Can be preset the altitude by the end users to eliminate the pressure influence via a inside software |
Temperature& RH sensor (optional) | Combined digital temperature and relative humidity sensor |
Temperature measurement range | -20℃~60℃(-4℉~140℉) |
Humidity measurement range | 0~100%RH |
Temperature& RH accuracy | ±0.5℃ / ±3%RH |
Option: 1X dry contact output | Rated currency for contact point: 3A 220VAC/30VDC, resistance load |
Optional:1xanalog output | 0~10VDC or 4~20mA analog output for CO2 measurement |
Operation condition | -20℃~70℃, 0~95%RH (non-condensing) |
Power supply | 24VAC/VDC ±10% wiring connection Or with a power adaptor of 24V/230V or 24V/110V |
Consumption | 3.5W/ Max, 2.5W/ Average |
Weight | 380g |
Dimensions | 130mm×90mm×40mm |
Connections Interface | Locate in interface of connection |
Installment standard | 65mm×65mm or 2"×4" wire box |
Wiring standard | Wire section area<1.5mm2 |
Approval Standard | CE-Approval |
Presetting and operation | Buttons and internal DIP switches |
Sampling alternation | Preset the sampling alternation during 60s to 1h. The general maximum day of the data record is 60 days |
Software Features | Outputs date is in .txt format USBDataGather software is for stand-alone application. It's used to set parameters for different applications, to display the graph of capture data, to calculate the average value of a period, as well as the max. and min. value |