Multi-Gas Sensor In-Duct Air Monitoring
Product Features
● Simultaneous detection of single gas or two gases in air ducts
● High-precision electrochemical gas sensors with built-in temperature compensation, humidity detection is optional
● Built-in a sampling fan for stable air flow, 50% faster response time
● RS485 interface with Modbus RTU protocol or BACNet MS/TP protocol
● One or two 0-10V/ 4-20mA analog linear outputs
● Sensor probe is replaceable, supporting both inline and split mounting.
● A waterproof breathable membrane built in the sensor probe, making it suitable for more applications
● 24VDC power supply
Buttons and LCD Display

Specifications
General Data | ||
Power Supply | 24VAC/VDC±20% | |
Power Consumption | 2.0W (average power consumption) | |
Wiring Standard | Wire section area <1.5mm2 | |
Working Condition | -20~60℃/ 0~98%RH (no condensation) | |
Storage Conditions | -20℃~35℃,0~90%RH (no condensation) | |
Dimensions/ Net Weight |
85(W)X100(L)X50(H)mm / 280gProbe: 124.5mm ∮40mm | |
Qualify standard | ISO 9001 | |
Housing and IP class | PC/ABS fireproof plastic material,IP40 | |
Ozone(O3) Sensor Data (Choose either O3 or NO2) | ||
Sensor | Electrochemical sensor with >3 year lifwtime | |
Measurement range | 10-5000ppb | |
Output resolution | 1ppb | |
Accuracy | <10ppb + 15% reading | |
Carbon Monoxide(CO) Data | ||
Sensor | Electrochemical sensor with >5 year lifwtime | |
Measurement range | 0-500ppm | |
Output resolution | 1ppm | |
Accuracy | <±1 ppm + 5% of reading | |
Nitrogen Dioxide(NO2) Data (Choose either NO2 or O3) | ||
Sensor | Electrochemical sensor with >3 year lifwtime | |
Measuring Range | 0-5000ppb | |
Output Resolution | 1ppb | |
Accuracy | <10ppb+15% of reading | |
Outputs | ||
Analog Output | One or two 0-10VDC or 4-20mA linear outputs | |
Analog Output Resolution | 16Bit | |
RS485 communication Interface | Modbus RTU or BACnet MS/TP 15KV antistatic protection |
NOTE:
Optional sensing parameter: formaldehyde.
The above are standard measurement ranges, and other ranges can be customized.
Specifications

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