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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 monitor
Gas detected | Carbon Dioxide (CO2) |
Sensing element | Non-Dispersive Infrared Detector (NDIR) |
Temperature sensor | NTC |
Humidity sensor | HS series capacitive sensor |
Temperature dependence | 0.2% FS/°C |
Temperature correction | Self compensation |
Power supply | 24VAC/VDC, or 100~240VAC, 60HZ, selectable with the order |
Consumption | 3.5 W max. ; 2.5 W avg. |
Accuracy@25°C(77°F) | ±30ppm + 3% of reading |
Stability | <2% of FS over life of sensor (15 yr typical) |
Calibration interval | ABC Logic Self Calibration Algorithm |
Non linearity | <1% of FS |
Pressure dependence | 0.13% of reading per mm Hg |
Altitude calibration | Programmable from 0-9,900m in 100m increments |
Response Time | <2 minutes for 90% step change |
Signal update | Every 2 seconds |
Warm up time | 2 hours (first time) 2 minutes (operation) |
CO2 measuring range | 0~2,000ppm (default) 0~20,000ppm, programmable selection 0~50,000ppmt |
CO2 setting & Display resolution | 1ppm |
Temperature measuring/ setting range | 0~50°C(32~122°F)/ 5~45°C(41~113°F) |
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Humidity measuring/setting range | 0~99%RH/ 5~95%RH |
Analog output | 0~10VDC linearized output or PID control output, selectable by end users |
Output resolution | 10Bit |
Relay output | One or two dry contact outputs with programmable selection to control CO2, temperature, humidity Rated switching current: 3A(220VAC/30VDC), resistance load |
Communication interface | RS-485, 9600/14400/19200(default)/28800 or 38400bps (programmable selection), 15KV antistatic protection, 3 independent base address, max network node 64 |
Flow rates | Diffusion version 80 ~ 120 cc/min Flow through version 40~50cc/min |
Operation conditions | 0~50°C(32~122°F); 0~95%RH, |
Storage conditions | -10~60°C(14~148°F)/5~90%RH non condensing |
NDIR life | 15 years |
Weight | 360g |
Dimensions | 130mm×90mm×40mm |
Installment standard | 65mm×65mm or 2”×4”wire box |
Interface connections | Maxi. 9 terminals |
Wiring standard | wire section area<1.5mm2 |
Approval Standard | CE-Approval |
Programming and selection | Via internal jumpers and push-buttons on the panel |
Features:1) Non-dispersive Infrared Detector (NDIR) CO2 sensor with 15 years lifetime
2) Famous American Telaire CO2 sensor is inside and its detection range is up to 0 ~ 50,000ppm
3) ABC logic with patented self calibration algorithm makes users use it without calibration
4) Real-time detecting and display of indoor CO2, temperature, and also humidity (option)
5) Providing 0~10V analog signal and relay dry-contact output
6) 485 communication interface option makes the CO2 monitor can be connected with a remote PC
7) Optional on board relay with field adjustable trip point according to CO2, temperature or humidity (programmable selection)
8) CE approved
CO2 monitor
