Teyleten Robot 1Pcs MH-Z19B Infrared Carbon Dioxide Monitor Sensor CO2 Detection Sensor Module UART PMW Wave Output 0-5000ppm+Cable
Teyleten Robot 1Pcs MH-Z19B Infrared Carbon Dioxide Monitor Sensor CO2 Detection Sensor Module UART PMW Wave Output 0-5000ppm+Cable
Product Parameters 1. Product model number: MH-Z19B 2. Gas Detection: Carbon Dioxide 3. Supply voltage: 4.5~5.5V DC 4. Average current: <20mA (@5V power supply) 5. Peak current: 150 mA (@5V supply) 6. Interface level: 3.3V (5V compatible) 7. Measurement range: 0~10000ppm can be selected within the range 8. Output signal: Serial (UART) (TTL level 3.3V) PWM Analog output (DAC) (default 0.4~2V) (0~3V range configurable) 9. Warm-up time: 3min 10. Response time: T90<120s 11. Working temperature: 0~50°C 12. Operating Humidity: 0 to 95% RH (non-condensing) 13. Weight: 5g 14. Life: >5 years Sensor Characteristics 1. Gas chamber with gold plating, waterproof and corrosion resistant 2. High sensitivity, low power consumption 3. Excellent stability 4. Temperature compensation, excellent linear output 5. Provides serial (UART), analog (DAC), PWM waveform output methods 6. long lasting 7. Water vapor interference, not poisoning Application HVAC refrigeration equipment Air quality monitoring equipment Fresh air system Air purification equipment Smart home SCHOOL