The room wireless transmitter EE245 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.
The measurement values can be shown locally on the optional display. EE245 ca be powered either by batteries or by an external power supply. Depending on the physical cuantities measured, the sampling and transmission rate, the battery life may last up to 3 years.
- Measurement of temperature, humidity and CO2
- Wireless network with up to 500 transmitters
- Uses 1.5 V AA aklaline batteries or external power supply
- Battery life up to 3 years
- Optional display
Humidity, Temperature, CO2Measuring values
2.4 GHzTransmission frequency
IEE 802.15.4Transmission system
1000m in open fieldRadio range
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EE240 Datasheet(1017.21 kb)
Scaling of the outputs(252.78 kb)
EE240 Manual(3298.46 kb)
For a network of up to 500 wireless transmitters EE244 and EE245. Setup of the wireless network 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.
Modular Wireless Transmitter for Temperature, Humidity and CO2
IEEE 802.15.4 protocol, 2.4GHz, 1000m open field range. In a robust enclosure with external antenna and optional display, EE244 accomodates up to three pluggable, interchangeable probes for temperature, humidity and CO2.
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.