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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 CO₂, humidity and temperature sensor for duct mounting

Key Features
Technical data

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.

Typical Applications

  • Building automation
  • Demand controlled ventilation
  • Process control

Key Features

  • E+E dual wavelength NDIR CO₂ 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 outputs
  • 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