Tongdy
GX-CO-111
Wall Mount CO Monitor with LCD
Real-time detection with user-replaceable sensors, flexible outputs, and seamless integration into building management and ventilation systems.
Note: All Tongdy monitors and controls ship direct from the factory. Please allow 10-15 business days for shipping and handling.
This CO Monitor delivers real-time carbon monoxide detection with current readings and a one-hour average. Featuring a long-life Japanese sensor that is easily replaceable by the user, along with zero-point calibration, it ensures accuracy and low maintenance. Outputs include 0–10V / 4–20mA signals, two relays, and optional RS485 Modbus RTU, with a configurable buzzer alarm for added safety. Compact, reliable, and easy to service, it’s ideal for building management and ventilation control systems.
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Real-time CO monitoring with optional temperature and humidity measurement
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Displays Realtime CO readings and 1-hour average for accurate trend tracking
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1x 0–10V or 4–20mA analog output for CO measurement
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Two relay outputs for CO and temperature control
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Optional Modbus RTU or BACnet MS/TP communication for integration
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Buzzer alarm triggered at set CO levels
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Zero-point calibration and advanced on-site settings for flexible control
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Powered by 24VAC/VDC
| Power Supply | 24VAC/VDC±20% |
| Power Consumption | 3.2W |
| Connection Standard | Wire cross-sectional area<1.5mm2 |
| Operating Environment | -20-60℃, 0~95%RH |
| Storage Environment | 0-60℃/ 0~90%RH,non-condensing |
| Dimension/Net Weight | 150mm(L)×90mm(W)×42mm(H) |
| Manufacturing Standard | ISO 9001 |
| Housings and IP class | PC/ABS fire-proof material; IP30 protection class |
| Design Standard | CE-EMC Approval |
Sensor
| CO Sensor | Figaro electrochemical sensor |
| Sensor Lifetime | More than 5 years Replaceable sensor module |
| Warm Up Time | 60 minutes(first use) 2 minute(daily use) |
| Response Time | <120 seconds |
| Signal Refreshing | One second |
| CO Range (Optional) | 0-100ppm(Default)/0-200ppm/0-300ppm/0-500ppm |
| Accuracy | <1ppm±3% |
| Stability | ±5% (over 900 days) |
| Temperature Sensor(Optional | Capacitive sensor |
| Measuring Range | -20℃-60℃ |
| Accuracy | ±0.5℃ (10~40℃) |
| Display Resolution | 0.1℃ |
| Stability | ±0.1℃/year |
Outputs
| LCD Display(Optional) | Display real-time measured values of carbon monoxide and temp. Humidity if optional |
| Analog Output | 1x0-10VDC/4-20mA linear output for CO measured value |
| Analog Output Resolution | 16Bit |
| Relay Dry Contact outputs | One or two on/off relay outputs, max current 5A (230VAC/30VDC), Resistive load separately controls CO and Temperature |
| RS485 Communication (Optional) |
Modbus RTU,communication baud:9600bps(Default)
BACnet MS/TP optional, communication baud:9600bps(Default） 15KV anti-static protection |
| Red Backlight Alarm | LCD will be red after CO concentration exceeds the alarm setpoint |
| Buzzer Alarm | Buzzer alarm once CO concentration exceeds the alarm setpoint The alarm can be temporarily turned off manually |
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