| Detailed Description | The methane gas sensor is a general-purpose intelligent infrared gas sensor (hereinafter referred to as the sensor). It utilizes the principle of non-dispersive infrared (NDIR) to detect methane gas in the air, exhibiting excellent selectivity and no oxygen dependence. This sensor is a compact, high-performance device manufactured by tightly integrating mature infrared absorption gas detection technology with micro-machining and sophisticated circuit design. It is easy to use and can directly replace catalytic combustion elements, making it widely applicable in various situations where methane and explosive gases are present. |
| Main Applications | HVAC and indoor air quality monitoring, industrial process and safety protection monitoring, agricultural and livestock production process monitoring. |
| Detecting Gas | Methane |
| Molecular Formula | CH4 |
| Power Supply Voltage | 3.6–5 V DC (must be powered by safety barrier) |
| Average Current | <85 mA (peak current <100mA) @5V DC |
| Interface Level | 3.0 V |
| Measurement Range | Available in the range of 0–10% Vol. |
| Output Signal | UART-TTL (3.3 V compatible with 5 V); 0.4～2 V |
| Preheating Time | 3 min |
| Response Time | T90 < 30 s |
| Operating Temperature | -20～60℃ |
| Operating Humidity | 0–95% RH (non-condensing) |
| External Dimensions | Φ20 mm × 22.4 mm |
| Weight | 35 g |
| Life | >5 years |
| Range | 0～5.00% Vol; 0～10.00% Vol |
| Resolution | 0.01% Vol |
| Accuracy | ±3% FS @(10℃-40℃) ±5% FS @(-40℃-10℃, 40℃-70℃) |
| Features | High sensitivity, high resolution, low power consumption, and fast response time Provides multiple output methods such as UART and analog voltage. It is resistant to water vapor interference and non-toxic, and can directly replace the catalytic combustion principle sensor; it can be used in high-density dust environments. |
| Note | Detection ranges and response times (T90) may vary by model and target gas. For custom configurations or OEM requirements, contact our technical support team. |
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Eata Sensors is your strategic partner in precision sensing technology. We offer a full range of advanced sensor products, core components, and customized engineering services. We collaborate with global clients to jointly solve complex measurement challenges.
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