The MMD1002E is a miniaturized electrochemical ammonia module. It uses electrochemical technology to detect NH3 in the air, with good selectivity and stability. It has a built-in temperature sensor for temperature compensation. It also provide digital and analog output for easy use. The MMD1002E is designed and manufactured by combining with mature electrochemical detection technology and sophisticated circuit design.
Air quality monitoring of residential garbage stations, trash incineration plan, public restroom, sewers and other livelihood environments as well as industrial environments.
High sensitivity, high resolution, low power consumption, long life time, Provide UART data output mode, High stability, excellent anti-interference ability, temperature compensation, excellent linear output
| Module number | MMD1002E |
| Target gas | Ammonia |
| Measurement Range | 0～ 99.99PPM |
| Max concentration | 200PPM (long-term overload will damage the sensor) |
| Output format | UART output ( 3.3 V level ) |
| Operating Voltage | 3. 7V ～5.5V |
| Preheat time | ≤ 30 seconds |
| Response time | ≤ 15 seconds |
| Recovery Time | ≤60 seconds |
| Resolution | ≤ 0.01PPM |
| Accuracy | ±0.1ppm or ±10% of the test value, whichever is greater |
| Working temperature | -20℃～50℃ |
| Working humidity | 15%RH-90%RH (no condensation) |
| Storage temperature | 0～ 35 ℃ |
| Life time | 2 Years (in air -20 ℃～ 50 ℃) |
| Dimension | Length 23mm × width 25.5mm × height 6.5mm |
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