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Wall-Mounted Carbon Monoxide Transmitter – Electrochemical Sensor, RS485/Analog
Reliable CO transmitter with high-accuracy electrochemical sensor, optional analog or RS485 output, and over 5 years of service life. Ideal for indoor air quality monitoring and safety applications.
This wall-mounted carbon monoxide transmitter is designed for precise, long-term monitoring of CO levels in indoor environments. Utilizing electrochemical sensing technology, it offers high linearity, excellent stability, and low cross-sensitivity—ensuring accurate CO detection for improved air quality and safety.
With output options including current, voltage, and RS485 (Modbus), it easily integrates into ventilation systems, building automation platforms, and safety controls. A wide input voltage range and reverse polarity protection enhance installation flexibility and system reliability.
The transmitter is equipped with a double-layer waterproof membrane to protect the sensor from humidity, while its non-toxic sensing element supports safer indoor use. Ideal for use in underground parking areas, HVAC systems, air purifiers, and air quality monitoring stations.
Key Features:
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High-accuracy electrochemical CO sensor with strong long-term stability
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Wide voltage input with reverse polarity protection
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Optional output: current, voltage, or RS485 (Modbus)
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5-year sensor service life with good repeatability
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Double-layer waterproof membrane to block water vapor
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Wall-mounted design for easy indoor installation
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Ideal for air conditioners, purifiers, parking garages, and air quality systems
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LEFOO Electrochemical CO Transmitter LFG101 Output 4-20mA 0-5V 0-10V RS485 Working Volatage 10-30VDC 10-30VDC 16-30VDC 10-30VDC Working Temperature -10~50℃ Working Humidity 15%～90%RH Working Pressure 1atm（Standard Atmospheric Pressure）±10% Measure concentration 0-500ppm/0-1000ppm Exactness ±5%F.S@25℃ Response time（T90） ≤15s IP level IP6x