MH-Z14A NDIR CO2 SENSOR
For indoor air quality monitoring and HVAC
Applications :
*HVAC *Air purifier
*Smart home *Indoor air quality monitoring
Product Advantages:
- *High sensitivity, High resolution
- *Good stability
- *Quick response
- *Temperature compensation, excellent linear output
- *Long lifespan
Product Description:
MH-Z14A NDIR Infrared gas module is a common type, smal size sensor, using non-dispersive infrared (NDIR) principle to detect the existence of CO2 in the air, with good selectivity non-oxygen dependent and long life. Built-in temperature sensor can do temperature compensation; and it has digita output and PWM output. This common type infrared gas sensor is developed by the tight integration of mature infrared absorbing gas detection technology, Precision optica circuit design and superior circuit design.
Technical Parameters:
| Model No. | MH-Z14A |
| Detection Gas | CO2 gas |
| Working voltage | DC (5.0±0.1V) |
| Average current | < 40 mA (@5V supply) |
| Peak current | 125mA (@5V supply) |
| Interface level | 3.3 V (5V compatible) |
| Measuring range | 400~10000ppm optional |
| Output signal | Serial port(UART) (TTL) |
| PWM | |
| Preheat time | 1min |
| Response Time | T90 < 120s |
| Working temperature | -10℃ ~ 50℃ |
| Working humidity | 0~95%RH(no condensation) |
| Storage temperature | -20℃ ~ 60℃ |
| Weight | 14 g |
| Lifespan | >10 years |
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