High sensitivity and high resolution
Low power consumption and fast response time
Multiple output methods including UART and PWM waveforms
Temperature compensation and excellent linear output
High stability and long service life
Resistant to moisture interference and poisoning, with a long service life
The NM-CO2 carbon dioxide gas sensor is a general-purpose intelligent infrared gas sensor (hereinafter referred to as the sensor). It utilizes the principle of non-dispersive infrared (NDIR) to detect CO2 in the air, is oxygen-independent, has stable performance, long lifespan, and built-in temperature compensation. The sensor is a compact, high-performance device manufactured by tightly integrating infrared absorption gas detection technology with micro-machining and sophisticated circuit design.
| Model | NM-CO2 |
| Detection Gas | CO2 |
| Working Voltage | 4.5~5.5V |
| Average Current | <60mA |
| Testing Range | 400~5000PPM |
| Interface level | 3.3V |
| Output Signal | UART/PWM |
| Preheating Time | 1min |
| Response Time | T90 < 100s |
| Working Temperature | -10~50 ℃ |
| Stocking Temperature | -20~60 ℃ |
| Working Humidity | 0~95% RH (No Condensation） |
| Weight | 7g |
| Service life | >5 Years |
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