CO₂, RH and T Duct Mount Sensor

EE850

The EE850 is a 3 in 1 duct mounted transmitter ideal for demand controlled ventilation and building automation. It combines CO₂, humidity and temperature in an innovative and functional enclosure. The EE850 incorporates the E+E dual wavelength NDIR CO₂ sensor, which compensates for ageing effects, is highly insensitive to pollution and offers outstanding long term stability.

EE850 CO, humidity and temperature sensor for duct mounting

The multi-point CO₂ and temperature factory adjustment leads to an excellent CO₂ measurement accuracy over the entire temperature working range.

An optional adapter facilitates easy configuration and adjustment via the EE850 service interface.

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Typical Applications

  • Building automation
  • Demand controlled ventilation
  • Process control

Key Features

    • E+E Dual wavelength NDIR working principle
    • CO₂ auto-calibration for excellent long term stability
    • Temperature compensation of the CO₂ measurement
    • High insensitivity to pollution
    • Humidity sensor protected by the E+E proprietary coating
    • Voltage or current output
    • Modbus RTU or BACnet MS/TP
    • Optional passive temperature sensor
    • Fast and easy installation
    • Easy user configuration and adjustment

Technical Data

Measuring range CO₂
0...2000 ppm
0...10000 ppm
Accuracy CO₂ - *mv - measured value
< ± (50 ppm +2% of mv*)
< ± (100 ppm +5% of mv*)
Measuring range Humidity
0...95 % RH
Accuracy Humidity
±3 % RH (20...80 % RH)
Measuring range Temperature
-20...60 °C (-4...140 °F)
Accuracy Temperature
±0.3 °C (±0.54 °F)
Output analogue
0-5 / 10V or 4-20mA
Output Digital
Modbus RTU or BACnet MS/TP
Supply
24V AC/DC

Related products

EE800

EE820



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