CO2 Sensor Is Accurate Without Self Calibration

Digital Control Systems’ Model 312 OEM CO2 sensor is designed for integration into instrumentation or appliances that measure or control ppm concentration levels. It’s dual detector measurement system is said to maintain long term accuracy without relying-on assumptions about the environment being measured. Unlike self-calibrating sensors requiring that sensed concentration levels periodically reach nearly outdoor ambient levels to guarantee long term accuracy, the model 312 can maintain its accuracy in continuously high (or low) CO2 concentrations, making it suited for constant CO2 agricultural and medical applications

 

Reportedly, the sensor integrates easily into the modern machine environment. It requires a quarter Watt of average power from a single 7 to 15 Vdc supply and communicates digitally with its host via either I2C or SPI interface through a single connector. A calibration port is available allowing for end-user calibration verification or adjustment to in-house calibration standards. A sub-micron filter over the diffusion port keeps dust out of the sensor. For more details, peruse the Model 312 datasheet and/or email [email protected].

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