| Detailed Description | The combustible gas sensor (hereinafter referred to as the sensor) is a general-purpose, small sensor that uses the principle of non-dispersive infrared (NDIR) to detect combustible gases in the air. It features excellent selectivity, no oxygen dependence, long lifespan, built-in temperature compensation, and digital output for ease of use. This sensor is a high-performance device that combines mature infrared absorption gas detection technology with precise optical path design and sophisticated circuit design. |
| Main Applications | Household combustible gas alarms and HVAC equipment. |
| Detecting Gas | Combustible gas (e.g., methane) |
| Molecular Formula | CH4 |
| Power Supply Voltage | DC (3.3~5.5) V |
| Average Current | <50 μA (@3.3V power supply, clean air) |
| Peak Current | 40 mA (@5V power supply) |
| Interface Level | 3.0 V (compatible with 5 V) |
| Measurement Range | Selectable within the range of 0~100% LEL. |
| Output Signal | Serial port (UART) (TTL level 3.0 V) |
| Preheating Time | 180 s |
| Response Time | T90 < 30 s |
| Operating Temperature | -10℃～60℃ |
| Operating Humidity | 0–95% RH (non-condensing) |
| Storage Temperature | -20℃～60℃ |
| Weight | 5 g |
| Life | >10 years |
| Range | 0～5.00% Vol |
| Resolution | 0.01% VOL |
| Accuracy | ±0.15% Vol(@10~40℃) ±0.25% Vol(-10~10℃, 40~60℃) |
| Features | The air chamber is treated with a composite membrane layer, making it waterproof and corrosion-resistant, highly sensitive, and with ultra-low power consumption. Excellent stability/temperature and humidity compensation, superior linear output, and UART serial output. Long service life, resistant to moisture interference, non-toxic, and resistant to acetic acid and ethanol interference. |
| 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. |
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.
For industrial/research use only. Not for personal/medical use.
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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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