High sensitivity and resolution
Low power consumption and fast response time
Provide UART, analog voltage and other output modes
Temperature compensation, excellent linear output
Excellent stability
Anti-water vapor interference, anti-poisoning, long service life
The 4N-CH4 combustible gas sensor is a general intelligent infrared gas sensor (hereinafter referred to as the sensor). It uses the principle of non-dispersive infrared (NDIR) to detect the hydrocarbon combustible gas in the air. It has good selectivity, no oxygen dependence, stable performance, long service life, and built-in temperature compensation. The sensor is a compact and high-performance sensor made by combining infrared absorption gas detection technology with micro-machining and sophisticated circuit design. It is easy to use and can be used as a substitute for catalytic sensors. It is widely used in various occasions where there are flammable and explosive gases.
| Model | 4N-CH4 |
| Detecting Gas | methane |
| Operating Voltage | 3.6~5.5VDC |
| Average Current | <60mA |
| Detecting Range | 0~100%Vol |
| Interface level | 3.0V |
| Output Signal | UART |
| 0.4~2V | |
| Preheating Time | 1min |
| Response Time | T90 < 30s |
| Working Temperature | -20~60℃ |
| Working Humidity | 0~95% RH（No Condensation ） |
| Overall dimension | Φ20 mm X 21.4 mm |
| Weight | 35g |
| Service life | > 5 Years |
| Protection grade | IP54 |
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