Infrared CO2 Sensor (CO2 Sensor) - MH-712B
High sensitivity, high resolution;
5V power supply, low power consumption;
Provides multiple output methods: UART and 0.4V~2V analog voltage signal;
Fast response and recovery characteristics;
Temperature compensation, excellent linear output;
Excellent stability;
Long service life;
No poisoning;
Anti-water vapor interference;
Product Introduction
1. Infrared CO2 Sensor (CO2 Sensor) MH-712B Product Description
The MH-712B sensor is a general-purpose intelligent sensor that uses non-dispersive infrared (NDIR) principle to detect hydrocarbon gases in the air. It has good selectivity, no oxygen dependence, stable performance, and long life; built-in temperature sensor for temperature compensation.
2. Infrared CO2 Sensor (CO2 Sensor) MH-712B Main Functions and Features:
High sensitivity, high resolution;
5V power supply, low power consumption;
Provides multiple output methods: UART and 0.4V~2V analog voltage signal;
Fast response and recovery characteristics;
Temperature compensation, excellent linear output;
Excellent stability;
Long service life;
No poisoning;
Anti-water vapor interference;
3. Infrared CO2 Sensor (CO2 Sensor) MH-712B Features
Detects hydrocarbon gases in the air, with good selectivity, no oxygen dependence, stable performance, and long life; built-in temperature sensor for temperature compensation.
4. Infrared CO2 Sensor (CO2 Sensor) MH-712B Main Applications
Widely used in hydrocarbon gas detection
5. Infrared CO2 Sensor (CO2 Sensor) MH-712B Technical Specifications
| Operating Voltage | 4.5~5.5V DC |
| Operating Current | 120mA |
| Output Method | UART 0.4V~2V |
| Interface Level | 5V |
| Measurement Range | 0~100% vol range optional (see Table 2) |
| Warm-up Time | 90s |
| Response Time | T90<30s |
| Repeatability | Zero Point < ±10ppm |
| SPAN | <± 30ppm |
| Long-term Drift | Zero Point < ±30ppm/month |
| SPAN | < ±30ppm/month |
| Temperature Range | -40°C ~70°C |
| Humidity Range | 0~95%RH |
| Lifetime | >5 years |
| Protection Level | IP54 |
