CO2 sensor module with heating function EE872

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EE872

last updated：Oct 25, 2024

テクネ計測

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CO2 measurement is possible even in agricultural applications where there is a possibility of moisture dispersion.

● Condensation prevention through sensor heating function ● CO2 measurement principle: dual-wavelength non-dispersive infrared method (NDIR), with automatic calibration function ● Measures CO2, relative humidity (RH), temperature, and pressure (p) ● Analog output or BACnet MS/TP or Modbus RTU ● Maximum CO2 measurement range of 5% (50,000 ppm) ■ The EE872 is equipped with a heating function, demonstrating high reliability even in harsh and condensation-prone environments. With an IP65 housing and replaceable filters, it offers excellent protection in contaminated environments. If you select the H2O2 catalytic filter, it can also be used for applications that involve sterilization with H2O2. ■ The automatic calibration function enables accurate CO2 measurements regardless of temperature, altitude, or weather conditions.

Related Link - https://www.tekhne.co.jp/products/co2/ee872/

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basic information

Measurement Principle: Non-Dispersive Infrared (NDIR) with Dual Wavelength <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) 0-3% / 0-5%: < ±(1.5% full scale + 2% of reading) Output: 0 – 5 / 0 – 10 V -1 mA < IL < 1 mA 0 - 20 mA / 4 - 20 mA (3-wire) RL ≤ 500 Ohm RL = non-resistive RS485 (up to 32 devices can be connected per bus) Modbus RTU or BACnet MS/TP <Temperature> Operating Range: -40 to 60 °C Accuracy: ± 0.5 °C <Humidity> Operating Range: 0-100 %RH (with heating function) 0-95 %RH (no condensation) (without heating function)