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Principle Introduction
| MEWOI-MIX2111D-CH4 Natural Gas Detection Sensor Module adopts semiconductor gas sensor, featuring high sensitivity, small size and long life. It also adopts digital UART interface output with user calibration function. The sensor has high sensitivity to natural gas. The module was already aged, debugged and calibrated, it has good consistency and high sensitivity. It was widely used in digital gas alarms, detectors, and portable detectors. |
Features
* High sensitivity to methane * Long life, small size * Good stability |
Application
| *Portable gas detector *Fixed gas alarm |
Technical Parameters
| Item | Specification |
| Target Gas | Methane/CH4 |
| Operation voltage | 4.8-5.2V DC |
| Operation Current | < 80mA average |
| Preheating Time | ≤ 3 minutes |
| response time(T90) | <20 seconds |
| recovery time | <60 seconds |
| Long Term Sensitivity Drift | ≤1%/year |
| Digital output | 0.00~100.0%LEL |
| Communication Interface | 5V electrical level TTL |
| Operation Conditions | 0~50℃/15~90%RH (no condensation) |
| Storage Conditions | -20~50℃/0~60%RH (no condensation) |
| Size | 24*20*15mm(L*W*H) |
| Weight | ≤ 20g |
| Life Expectancy | ≥ 10 years |
