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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
TG9 Series CO2 duct probe transmitter
CO2 Sensor | Non-Dispersive Infrared Detector (NDIR) | |
Measurement Range | 02,000ppm or 0~5000ppm | |
Accuracy | ±40ppm + 3% of reading @22(72) | |
Stability | <2% of full scale over the life of the sensor | |
Calibration | Self-calibration system | |
Response Time | <5 minutes for 90% step change at low duct speed | |
Non-linearity | <1% of full scale @22(72) | |
Duct Air Velocity | 0~450m/min | |
Pressure Dependence | 0.135% of reading per mm Hg | |
Temperature Dependence | 0.2% of full scale per ºC | |
Warm up time | 24 hours (first time) 10 minutes (operation) | |
Temperature & Humidity Sensor | Temperature | Relative Humidity |
Sensing element: | Band-gap-senor | Capacitive humidity sensor |
Measuring range | -20~50 | 5 -100%RH |
Accuracy | ±0.4 (25) | ±3%RH (25, 40%-60%RH) |
Display resolution | 0.1 | 0.1%RH |
Stability | ±0.1per year | ±1%RH per year |
General Data |
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Power supply | 24VAC/24VDC | |
Consumption | 1.8 W max. ; 0.8 W avg. | |
LCD display | 3-color backlit Display CO2 measurement or CO2 + temperature& humidity measurements | |
Analog output | 1x0~10VDC or 4~20mA output for CO2 3x 1x0~10VDC or 4~20mA outputs for CO2+ Temperature +RH The voltage output or current output can be selectable by jumpers | |
Modbus RS485 Interface | 19200bps, 15KV antistatic protection. | |
Operation conditions | -0~50(32~122); 0~95%RH, non condensing | |
Storage conditions | -20~70(-40~158) | |
Net weight | 240g | |
IP class | IP54 | |
Standard Approval | CE-Approval | |
1.Duct type CO2 transmitter specially used to real-time detect CO2 level in air ducts.
2.NDIR infrared CO2 sensor inside with Self-Calibration and up to 15 years lifetime
3.Humidity and temperature detection optional
4.Combined temperature and humidity sensor provide the highest accuracy in full range
5.LCD display option can display CO2 measurement and temperature+ RH measurements
6.3-color backlit LCD indicates the CO2 level more clearing and alarm function
7.Providing one or three 0~10VDC or 4~20mA analog outputs
8.Modbus RS485 communication interface makes usage and test more convenient
9.Smart structure and attractive housing provide you a unique operation feeling
10.Simple and skillful design and installation with a demountable and replaceable filter to provides dust-proof protection
11.Special a 180° rotatable fastness position for the probe can change the direction of air detection.
12.All housing and probe are IP54 class
13.CE-Approval
TG9 Series CO2 duct probe transmitter
