EE244
Modular Transmitter/Router for Temperature, Humidity and CO2
The EE244 modular wireless transmitter/router is based on the IEEE 802.15.4 protocol with a transmission frequency of 2.4 GHz and measures up to three physical quantities: relative humidity, temperature and CO2.
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The EE244 accomodates up to 3 sensing probes, which can be plugged directly onto the EE244 enclosure or remotely installed with connection cables up to 10m. The robust enclosure features an external antenna and an optional display.
The device can be powered by four alkaline AA batteries or by external power supply. Depending on the number of probes, the measureands and the sampling and transmission rate, the batteries may last up to 3 years.
Sensing Probes:
- EE871 (CO2)
- EE07 (T, RH)
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Key Features EE244
- Measurement of temperature, humidity and CO2
- Pluggable, interchangeable sensing probes
- Remote sensing probes at up to 10 metres
- Powered by 1.5 V AA standard batteries or by external supply
- Battery life of up to 3 years
- Optional display
- Robust enclosure with external antenna
Technical data EE244
Humidity, Temperature, CO2
Measuring values2.4 GHz
Transmission frequencyIEEE 802.15.4
Transmission protocol10mW
Transmission power1000m in open field
Radio range
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Base Station
The EE242 coordinates a network of up to 500 EE244 and EE245 transmitters. The setup of the wireless network is performed via web server. The measured data is available on the Ethernet, Modbus RTU and TCP/IP, and analogue outputs as well as on the optional display.
EE245
Modular Room Transmitter for Temperature, Humidity and CO2
IEEE 802.15.4 protocol, 2.4GHz, 1000m open field range. Dual wavelength NDIR CO2 measurement principle, outstanding temperature compensation and long term stability. High end E+E capacitive humidity sensor. Snap-on, stylish enclosure.
Downloads EE244
| Manual |
|---|
EE871 Manual(1137.11 kb) |
EE240 Manual(6432.27 kb) |
Calibration Kit - User Guide(537.45 kb) |
Cleaning Instructions(891.89 kb) |
| Datasheet |
|---|
EE240 Datasheet(1577.91 kb) |
EE871 Datasheet(928.82 kb) |
EE07 Datasheet(565.6 kb) |
Accessories(4231.46 kb) |
Humidity Calibration-Kit Datasheet(642.96 kb) |
| Support literature |
|---|
Application Note AN1201-1 for EE242 Data Logger(343.28 kb) |
EE242 Protocol Description(49.2 kb) |
Modbus Application Note AN0103(181.41 kb) |
| EU Declaration of Conformity |
|---|
Declaration of Conformity to EU REACH(366.08 kb) |
EE244 FAQ
What is the difference between a 2 wire and a 3 wire current output?
Transmitter with "two-wires" technology receive the power from the process, and the signal is carry on return wire (closed current loop). With technology "three-wires" the power supply is separate from current output: 2 wires are the power supply and third carry the signal.