factory price CO detector
Product description
      
u Real time monitoring carbon monoxide level with
range from 0 to 500ppm.
u Semiconductor sensor with up to 5 years long lifetime
u Three-color (green/yellow/red) LCD backlit indicates
three carbon monoxide ranges
u Temperature detection and display
u Humidity detection and display optional
u Preset the buzzer alarm level for measured
carbon monoxide
u Provide 1xOn/Off relay output to control a ventilator
u Provide four setpoints of CO to control the relay
action
u Modbus RS485 communication interface optional, 15 KV antistatic protection, independent address setup
u 230VAC or 24VAC/VDC power supply
u Wall mounting type
u CE-Approval
Application
Carbon monoxide is a deleterious gas with colorless and odorless character , which could be absorbed by lung quickly, the speed rate of combination of CO and hemoglobin more than 250 times with oxygen, then stops oxygen circulation around the body; which have big character of heavy toxicity, so carbon monoxide poisoning have became a big problem around the world.
G02-CO is used to monitor room carbon monoxide level as well as temperature and optional humidity. With one dry-contact of relay output, it cancontrol a ventilatoraccording the setpoint of carbon monoxide.
With the Modbus RS-485 communication interface, it can be connected with a DDC/PLC or a PC.
u Indoor air quality detection
u Industrial environment
u Underground parking lot, maintenance garage
u Freezing machine room and other places
Specifications
Gas detection  | Carbon monoxide  | 
Sensing element  | Semiconductor gas-sensitive component  | 
Temperature sensor (option)  | NTC 5K  | 
Humidity sensor (option)  | HS series capacitive sensor  | 
Power supply  | 24VAC/VDC or 230VAC  | 
Consumption  | 2.8 W  | 
Signal update  | 1s  | 
Warm up time  | 36 hours (first time), 10 minutes (normal operation)  | 
CO measuring range  | 0~500ppm or customized range  | 
Display resolution  | 0.1ppm  | 
CO setting resolution  | 0.1ppm  | 
Temperature measurement range  | 0~70℃  | 
Humidity measurement range  | 0~99 %RH  | 
Relay output(option)  | 1xRelay output to control a ventilator or air-purifier, Max. current 3A resistance  | 
Buzzer alarm  | Alarm starts when CO measurement reach up the presets  | 
LCD display  | Green—optimal air quality Yellow—1st CO alarm level Red—-2nd CO alarm level  | 
Modbus RS485 Interface(option)  | Communication rate: 19200bps 15KV antistatic protection, 3 independent base address  | 
Operation condition  | -20℃~60℃ (-4℉~140℉)/ 0~ 95% RH  | 
Storage conditions  | 0℃~50℃ (32℉~122℉)/ 5~ 90% RH  | 
Net Weight  | 260g  | 
Dimensions  | 130mm(L)×85mm(W)×36.5mm(H)  | 
Installation standard  | wall mount (65mm×65mm or 85mmX85mm or 2”×4” wire box)  | 
Wiring standard  | Wire section area <1.5mm2  | 
Quality System  | ISO 9001  | 
Housing  | PC/ABS fire-proof, IP30 protection  | 
Certificate  | CE  | 
Models
Model  | Name  | Description  | Power  | 
G02-CO-B310A  | CO & temperature detector and monitor  | Three-color backlit LCD, buzzer alarm for preset CO level. Modbus RS485 interface  | 
  | 
G02-CO-B320A  | CO& temperature monitor  | Three-color backlit LCD, buzzer alarm for preset CO level  | 230VAC  | 
G02-CO-B330C  | CO & temperature monitor  | Three-color backlit LCD, buzzer alarm for preset CO level  | 24VAC/VDC with a 230V power adaptor  | 
G02-CO-B340A  | CO & temperature monitor and controller  | Three-color backlit LCD, buzzer alarm for preset CO level. 1X dry contact output  | 230VAC  | 
G02-CO-B380A  | CO & temperature detector and controller  | Three-color backlit LCD, buzzer alarm; 1 on/off output; Modbus RS485 interface  | 230VAC  | 
-RH (postfix)  | Relative humidity detection and display  | For all above items  | 
  | 
921  | Wall mounting plate  | Accessory for wall mounting  | 
  | 
921+922  | Desktop bracket  | Just for G02-CO-B330C which can be put on the desk with 921&922.  | 
  | 

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