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CO2 Sensor 4~20mA
| Model No. : | G01-CO2-B |
|---|---|
| Brand Name : | Tongdy |
Product description
CO2 Sensor 4~20mA CO2 Sensor 4~20mA Features
u Design for real time measuring ambiance carbon dioxide level and temperature +RH% u NDIR infrared CO2 sensor inside with special Self Calibration. It makes CO2 measurement more accurate and more reliable. u More than 10 years lifetime of CO2 sensor u High accuracy temperature and humidity measurement u Combined both humidity and temperature sensors seamlessly with the digital auto compensation u Provide up to three analog linear outputs for measurements u LCD is optional to display CO2 and temperature &RH measurements u Optional Modbus communication u 24VAC/VDC power supply u EU standard and CE-approval
Application u Building ventilation systems u Industry ventilation systems u Airport, train station, shopping mall, office, classroom and other public places for air quality measurement and indication u Lab., warehouse, and other places to detect CO2+Temp. +RH% Specifications
Carbon Dioxide | |||
Sensing element | Non-Dispersive Infrared Detector (NDIR) | ||
CO2 measuring range | 0~2000ppm/ 0~5,000ppm optional | ||
CO2 Accuracy @22℃(72℉) | ±40ppm + 3% of reading or ±75ppm (whichever is greater) | ||
Temperature dependence | 0.2% FS per℃ | ||
Stability | <2% of FS over life of sensor (15 year typical) | ||
Pressure dependence | 0.13% of reading per mm Hg | ||
Calibration | ABC Logic Self Calibration Algorithm | ||
Response time | <2 minutes for 90% step change typical | ||
Signal update | Every 2 seconds | ||
Warm-up time | 2 hours (first time) / 2 minutes (operation) | ||
| Temperature | Humidity | |
Measuring range | 0℃~50℃(32℉~122℉) (default) | 0 ~100%RH | |
Accuracy | ±0.4℃(20℃~40℃) | ±3%RH (20%-80%RH) | |
Display resolution | 0.1℃ | 0.1%RH | |
Stability | <0.04℃/year | <0.5%RH/year | |
General Data | |||
Power supply | 24VAC/VDC | ||
Consumption | 1.8 W max. ; 1.2 W avg. | ||
Analog outputs | 1~3 X analog outputs 0~10VDC(default) or 4~20mA (selectable by jumpers) 0~5VDC (selected at placing the order) | ||
Modbus communication (optional) | RS-485 with Modbus protocol, 19200bps rate, 15KV antistatic protection, independent base address. | ||
Operation conditions | 0~50℃(32~122℉); 0~95%RH, non condensing | ||
Storage conditions | 10~50℃(50~122℉), 20~60%RH non condensing | ||
Net Weight | 240g | ||
Dimensions | 130mm(H)×85mm(W)×36.5mm(D) | ||
Installation | wall mounting with 65mm×65mm or 2”×4”wire box | ||
Housing and IP class | PC/ABS fireproof plastic material, protection class: IP30 | ||
Standard | CE-Approval | ||
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