- Moisture Meters[4]
- Temperature Instruments[10]
- Gas Analyzers[8]
- Carbon Analyzers[10]
- Sensors[4]
- HVAC Systems & Parts[10]
- Other Home Appliance Parts[4]
- Refrigeration & Heat Exchange Parts[1]
- Air Conditioner Parts[2]
- Air Conditioning System[1]
- Floor Heating Systems & Parts[2]
- Instrument Parts & Accessories[2]
- Alarm[10]
- Other Measuring & Analysing Instruments[8]
- Other Electronic Measuring Instruments[4]
- Remote Control[1]
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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 Indicator with 6 LED lights
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 in the order 0~10VDC/0~5VDC/2~10VDC/1~5VDC selectable by jumpers |
On/Off output | 1x relay on/off output with 2A switch currency optional |
Touch button | Easily select fan on/fan auto/turn off for the CO2 detector/controller with 1xrelay output |
Communication interface | RS-485 interface or Modbus RS485 interface 9600/14400/19200/28800 or 38400bps (programmable selection), 15KV antistatic protection. |
Flow rates | Diffusion version 80 ~ 120 cc/min (for wall mounting type) Flow through version 40~50cc/min (for duct type) |
Operation conditions | 0~50(32~122); 0~95%RH, non condensing |
Storage conditions | -40~70-40~158 |
NDIR life | 15 years |
Net weight | 180g |
Transmitter 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) Specially design for HVAC, ventilation systems, offices, classrooms or other application places.
2) Real-time detecting CO2 level. Temperature and humidity detection is optional.
3) NDIR infrared CO2 module inside with four CO2 detection range selectable.
4) CO2 sensor has Self-Calibration Algorithm and 15 years lifetime
5) Mounted type and duct type selectable
6) Special 6 lights Indicates CO2 level and makes it clear show.
7) Special model with a touch button as a controller to operate a fan control.
8) Providing up to three analog outputs for CO2/temperature/humidity.
9) One relay output is available
10) RS-485 communication interface is optional: 15KV antistatic protection, independent address setting
11) 24VAC/VDC power supply can be connected with the wire terminals, also a power adaptors plug connected into the socket available.
12) CE-Approval
CO2 Indicator with 6 LED lights
