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4LEL-Smart Module

4LEL-Smart Module

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This 4LEL-Smart Sensor Module consists of a data collection and processing PCB assembly, a SemeaTech 4-Series Catalytic combustion (LEL) sensor, and a metal enclosure. The PCB assembly in the module collects the data from the gas sensor output, and then processes it with amplification, sampling and filtration through a built-in MCU to deliver stable and accurate digital output reflecting the actual target gas concentration. The 4LEL-Smart Sensor Module delivers the signal output through UART bus, which provides a good user experience for quickly integrating gas sensors into the existing systems for a variety of gas detection applications. Users can visit the website for detailed sensor parameters.
Technical Parameters
Product Model 4LEL-Smart
Detectable Gas Types Combustible gas
Detection Principle Catalytic combustion
Gas Concentration Range 0 ~ 100% LEL
Resolution 1% LEL
Measurement Error < ±5%FS
Operating Voltage (4 ~ 6) VDC
Operating Current ≤ 110 mA @ 4 VDC
Output Mode UART (3.3V TTL)
Operating Temperature -20°C ~ 50°C
Operating Humidity ≤ 98%RH (25°C)
Operating Pressure 86 ~ 116 KPa
Storage Temperature -20℃ ~ 40℃
Dimensions Φ 24.2 x 26.8 mm

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