Description:
MH-Z14A gas sensor is a general intelligent small sensor, using the non-dispersive infrared (NDIR) principle to detect carbon dioxide in air, and has a good selectivity and no oxygen dependence, long service life.It has built-in temperature compensation, as well as digital output, analog output and PWM output, convenient to use.This is a high-performance sensor combined with infrared absorption gas detecting technology, precision optical path design, excellent circuit design.
Specifications:
- Working voltage: DC4-6V
- The working current: 50mA average | - peak 100mA
- The detection range: 0-5000ppm
- Detection accuracy: ± 50ppm
- Preheating time: 180S
- Analog output voltage: 0.4-2V (linear output)
- Digital output: serial data output (9600, N, 8,1)
- Response time: ≤ 30S
- Working temperature: 0 ~ 60 ℃
- Working humidity: 0 ~ 90% RH
- Storage temperature: -20 ~ 60 ℃
Features:
- Three ways signal output; (analog output / serial port UCHAR output)
- The serial port Uchar signal can be accessed microcontroller IO serial port; (TTL level 9,600, N, 8,1)
- Analog linear output 0.4-2V, the higher the concentration the higher the voltage;
- With PWM modulation waveform output, read more convenient;
- The module uses (NDIR) infrared technology for carbon dioxide has a good choice;
- The module is light weight, small size, long life, good stability and so on.
- This module can be widely used in HVAC and air quality monitoring, industrial process and safety monitoring, agricultural and
- livestock production process monitoring, and fresh air system carbon dioxide detection.
Package Included:
1 x NDIR CO2 Sensor MH-Z14A PWM NDIR Infrared Carbon Dioxide Sensor Module Serial Port 0-5000PPM Controller