Product introduction
1. Description of civil small infrared CO2 sensor module (NDIR CO2 sensor module) S8:
S8 is a civil infrared CO2 sensor module (NDIR CO2 sensor module) with small size and low power consumption, ideal for battery-powered and portable devices. Optional ranges: 0~2000ppm, 0~5000ppm, 0~10000ppm, meeting various applications such as HVAC, building automation, and smart home.
2. Parameters of civil small infrared CO2 sensor module (NDIR CO2 sensor module) S8:
| Item |
S8 |
| Target gas |
CO2 |
| Working principle |
NDIR |
| Range |
400~2000ppm, up to 10000ppm |
| Test cycle |
2 seconds |
| Accuracy |
±70ppm or ±3% of reading, whichever is greater |
| Pressure coefficient |
1.6% reading deviation per 1kPa deviation from normal pressure |
| Response time T90 |
2 minutes |
| Operating temperature |
0~50°C |
| Operating humidity |
0~85%RH, non-condensing |
| Storage temperature |
-40~70°C |
| Dimensions (mm) |
33.5 x 20 x 8.5 mm (large size) |
| Weight |
<8 grams |
| Power supply |
4.5~5.25V (not protected against surge voltage and reverse connection) |
| Power consumption |
300mA max, 30mA average |
| Service life |
15 years |
| Certification |
EN 61000-6-3:2007, EN 61000-6-4:2007 EN 61000-6-1:2007 RoHS directive 2011/65/EU |
| Communication method |
UART, Modbus protocol |
| PWM output, 1KHz |
0~100% duty cycle for 0~2000ppm 3.3V push-pull CMOS output, unprotected |
| Maintenance |
Maintenance-free for general indoor applications |
