This commons type infrared gas sensor is developed by the tight integration of mature infrared absorbing gas detection technology, Precision optical circuit design and superior circuit design.
MH-Z14 NDIR Infrared gas module, CO2 Gas sensor module, is a common type, small 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.
Applications
MH-Z14 NDIR Infrared gas module is applied in the HVAC
Indoor air quality monitoring, industrial process
Safety and protection monitoring
Agriculture and animal husbandry production process monitoring
Features
High sensitivity, High resolution
Low power consumption
Output modes: UART, analog voltage signal, PWM wave
Quick response
Temperature compensation, excellent linear output
Good stability
Long lifespan
Anti-water vapor interference
No poisoning
Specification
| Product | CO2 SENSOR |
| Model | MH-Z14 NDIR CO2 |
| Working voltage | 4.5 V ~ 5.5V DC |
| Average current | < 85 mA |
| Interface level | 3.3 V |
| Measuring range | 0~5%VOL optional |
| Output signal | PWM, UART, 0.4-2V DC |
| Preheat time | 3min |
| Response Time | T90 < 90s |
| Working temperature | 0℃ ~ 50℃ |
| Working humidity | 0~95%RH |
| Weight | 15 g |
| Lifespan | >5 year |
| Dimension | 57.5×34.7×16mm（L×W×H） |
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