The built-in temperature sensor can do temperature compensation; it has digital output an analog voltage output. It is developed by the tight integration of mature infrared absorbing gas detection technology, precision optical circuit design, and superior circuit design.
MH-Z19 NDIR infrared gas module is widely used in the HVAC refrigeration and indoor air quality monitoring.
Features
High sensitivity, high resolution.
Low energy consumption.
Output mode: UART and PWM wave.
Temperature compensation, excellent linear output.
Good stability.
Long lifespan.
Anti-interference of water vapor.
No poisoning
Specification
| Operating Voltage (VDC) | 3.6 to 5.5 |
| Average Current(mA) | <18 |
| Interface Level | 3.3V |
| Measuring Range | 0~5%VOL optional |
| Output Signal | PWM UART |
| Preheat Time(min) | 3 |
| Preheat Time | 90<60 |
| Operating Temperature (°C) | 0 to 50 |
| Lifespan | >5 |
| Weight (gm) | 6 |
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