It is developed by the tight integration of mature infrared absorbing gas detection technology, precision optical circuit design and superior circuit design.
Applications
HVAC refrigeration
Air cleaner device
Indoor air quality monitoring
Smart home
Ventilation system
School
Features
Chamber is gold plated, water-proof and anti-corrosion
High sensitivity, low power consumption
Good stability
Temperature compensation, excellent linear output
Multiple output modes: UART, PWM
Long lifespan
Anti-water vapor interference, anti-poisoning
Specification
| Model No | MH-Z19B |
| Detection Gas | CO2 |
| Working voltage | 4.5 ~ 5.5 V DC |
| Average current | < 20mA (@5V power supply) |
| Peak current | 150mA (@5V power supply) |
| Interface level | 3.3 V (Compatible with 5V) |
| Detection Range | 0~2000/5000/10000ppm(optional) |
| Output signal | Serial Port (UART) (TTL level 3.3V), PWM |
| Preheat time | 3 min |
| Response Time | T90 < 120 s |
| Working temperature | -10 ~ 50 ℃ |
| Working humidity | 0 ~ 95% RH (No condensation) |
| Weight | 5 g |
| Lifespan | > 5 years |
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