Carbon dioxide (CO2) sensor module

CDM7160 - Pre-calibrated CO2 Module

The CDM7160 CO2 module uses a compact NDIR CO2 sensor, featuring excellent performance characteristics, including high accuracy and low power consumption. Two detector elements inside the module make absolute measurement possible.

Every module is individually calibrated and is provided with both a UART and I2C digital interface. The CDM7160 module is designed for simple integration into a user's products. It can be used in a wide range of applications such as ventilation controls for the improvement of energy savings and to assure a good indoor climate.

Features

* Small size

* Low power

* High accuracy

* Absolute measurement via dual sensors

Application examples

* Indoor air quality control

* Fresh air ventilators

* Air conditioners

* Automatic fans and window openers

Specifications (tentative)

Product name: Carbon dioxide (CO2) sensor module

Model No.: CDM7160

Detection range: 300~5,000ppm CO2

Operating principle: Non-dispersive infrared (NDIR)

Power supply: 4.5~5.25V DC

Current consumption: 60mA peak, 8mA avg.

Accuracy: ±(50ppm+3% of measurement) in the range of 300~5,000ppm CO2

Response time (T90): 2 min. (diffusion)

Operating temperature range: 0~50℃

Storage temperature range: -30~70℃

Communication port: UART/ I2C (gas conc. output 0~10,000ppm)

Measurement interval: 2 sec. *TBD

PWM output (1kHz): 0~100% duty cycle for 0~5,000ppm, CMOS output

Dimensions: 32 x 17 x 7.4 (mm)

Weight: approx. 3g