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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-Depressive Infrared Detector (NDIR) |
Temperature sensor | NTC |
Temperature correction | Self compensation |
CO2 NDIR life | 15 years |
Consumption | 3.5W/ Max, 2.5W/ Average |
Accuracy@25°C(77°F) | ±40ppm + 3% of reading |
Stability | <2% of FS over life of sensor (15 yr typical) |
Warm up time | 2 hours (first time) 2 minutes (operation) |
CO2 measuring range | 0~2000ppm, which is default value 0~(1,000~20,000)ppm, programmable selection |
CO2 setting & Display resolution | 1ppm |
Temperature measuring range | 0~50°C(32~122°F) |
Temperature setting range | 5~45°C(41~113°F) |
Option: 1X dry contact output | Rated currency for contact point: 3A 220VAC/30VDC, resistance load |
Option: RS485 communication interface | 9600/14400/19200(default)/28800/38400bps rates selectable by program,15KV protection for static, independent address setting |
Operation condition | 0~50°C (32~122°F), 0~95%RH without condensing |
Power supply | 220VAC/110VAC or 24VAC 50/60HZ±10% |
Weight | 380g |
Dimensions | 130mm×90mm×40mm |
Connections Interface | Locate in interface of connection |
Installment standard | 65mm×65mm or 2”×4” wire box |
Wiring standard | Wire section area<1.5mm2 |
Approval Standard | CE-Approval |
Programming and selection | DIP switches inside and external push-buttons |
Features:
1) Real-time detect and display CO2 level from 0ppm to 5,000ppm;
2) Real-time detect room temperature, and optional humidity detection from 5%RH to 95%RH;
3) NDIR CO2 sensor with 15 years lifetime
4) Patented Self Calibration Algorithm makes the CO2 sensor used well without calibration.
5) LCD display CO2 level and 3-LED indicate CO2 preset range
6) Lights brightness is adjustable
7) Easy preset for alert values
8) Options: One dry contact output to control a ventilation device; RS485 communication interface with 15KV protection for static
co2 monitor
