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- HVAC Systems & Parts[10]
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- Contact Person : Ms. Tian Maggie
- Company Name : Tongdy Control Technology Co., Ltd.
- Tel : 86-10-58731276,58731277,58731278
- Fax : 86-10-58731275
- Address : Beijing,Beijing,3-3-5F, IN-DO Mansion, No.Jia 48 ZhiChun Road Haidian District, Beijing. China
- Country/Region : China
- Zip : 100098
CO2 Transmitter
Gas detected | Carbon Dioxide (CO2) |
Sensing element | Non-Dispersive Infrared Detector (NDIR) |
Accuracy@25(77),2000ppm | ±40ppm + 3% reading |
Stability | <2% of FS over life of sensor (15 yr typical) |
Calibration interval | ABC Logic Self Calibration System |
Response time | <2 minutes for 90% step change |
Warm up time | 24 hours (first time) 10 minutes (operation) |
CO2 measuring range | 02,000ppm / 05,000ppm / 020,000ppm / 050,000ppm selectable in orders |
Power supply | 24VAC/24VDC |
Consumption | 1.5 W max. ; 0.8 W avg. |
Analog outputs | 0~10VAC or 4~20mA selectable i by jumpers |
On/Off output | 1x relay on/off output with 2A switch currency |
Touch button | Easily select fan on/fan auto/turn off for the CO2 detector/controller with 1xrelay output |
Communication interface | Modbus RS485 interface 9600/14400/19200(default)/28800 or 38400bps (programmable selection), 15KV antistatic protection. |
Flow rates | 80 ~ 120 cc/min |
Operation conditions | 0~50(32~122); 0~95%RH, non condensing |
Storage conditions | -40~70(-40~158) |
NDIR life | 15 years |
Net weight | 180g |
Dimensions | 100mm×80mm×28mm |
Installment standard | 65mm×65mm or 2×4wire box |
Wiring Connection | Wiring terminals or the power plug(optional) |
Standard Approval | CE-Approval |
1.CO2 sensor real-time detecting CO2 level.
2.NDIR infrared CO2 module inside with four CO2 detection range selectable.
3.CO2 sensor has Self-Calibration Algorithm and 15 years lifetime
4.Wall-mounting
5.Providing one analog output with voltage or current selectable
6.0~10VDC/4~20mA selectable easily via jumpers
7.Special L series with 6 lights indicates CO2 level and makes CO2 level show clearly.
8.Provide a special model with a on/off relay output with a touch button to operate a fan control.
9.Design for HVAC, ventilation systems, offices, or other public places.
10.Modbus RS485 communication interface optional: 15KV antistatic protection, independent address setting
11.CE-Approval
12.For duct probe CO2 transmitter, please see our TG9 series
13.For CO2+Temp.+RH 3 in 1 transmitter, please see our G01-CO2-B transmitter series
CO2 Transmitter