The measurement principle adopts the NDIR method (non-dispersive infrared absorption)! For integration into OEM equipment, HVAC, and agricultural-related devices!
● The detection principle recommended by the Ministry of Economy, Trade and Industry for CO2 measuring devices is an optical sensor. ● Equipped with automatic calibration function (automatic correction function). ● Revolutionary long-term stability. ● Temperature/pressure correction function. ● Low power consumption. ● Compact (45 mm * 22 mm * 15 mm). ■ The EE894 is a digital sensor module suitable for ventilation control and general building air conditioning management applications for CO2/temperature/humidity/differential pressure. ■ To compensate for aging degradation, it adopts E+E's unique two-wavelength NDIR method CO2 sensor. ■ It is resistant to contamination and provides long-term stability. In addition to CO2 measurement, it can also measure humidity (RH), temperature (T), and differential pressure (p). For more details, please download the catalog or contact us.
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basic information
Measurement Principle: Two-Wavelength Non-Dispersive Infrared Method (NDIR) <CO2> Measurement Range: 0-2000/0-5000/0-10000 ppm Accuracy: 0-2000 ppm <±(50 ppm + 2% of reading) 0-5000 ppm <±(50 ppm + 3% of reading) 0-10000 ppm <±(100 ppm + 5% of reading) <Humidity> Operating Range: 0 to 95 %RH (without condensation) <Differential Pressure> Operating Range: 70 kPa to 110 kPa <Temperature> Operating Range: -40 to 60 ℃ <General Specifications> Output: I2C or E2 Power Supply: 4.75 to 7.5 VDC
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Applications/Examples of results
● OEM CO2 meter ● Ventilation control ● Building air conditioning management ● Data loggers and handheld devices ● Wireless transmitters ● And many others
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Company information
We introduce various measuring instruments and devices related to moisture management, including the domestic capacitive dew point meter TK-100 series, mirror-type dew point meters, oxygen concentration meters, humidifiers, and moisture meters for corrosive gases. By organically combining these, as well as through piping, line creation, and unitization, we provide customized products and respond quickly to complex issues.