Application
- HVAC refrigeration
- Air cleaner device
- Indoor air quality monitoring
- Smart home
- Ventilation system School
Features
- Chamber is gold plated
- 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
Specifications
| Model No. | MH-Z19C |
| Detection gas | CO2 |
| Working Voltage | 5.0±0.1V DC |
| Average Current | <40mA (@5V power supply) |
| Peak Current | 125mA (@5V power supply) |
| Interface Level | 3.3V (Compatible with 5V) |
| Detection range | 400~10000ppm (optional) |
| Output Signal | Serial Port (UART) (TTL level 3.3V) |
| PWM | |
| Preheat Time | 1 min |
| Response Time | T90 <120s |
| Working Temperature | -10 ~ 50℃ |
| Working Humidity | 0 ~95% RH (No condensation) |
| Storage Temperature | -20~60 ℃ |
| Weight | 5g |
| Life Span | >10 years |