The EE244 modular wireless transmitter 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.
It accomodates up to 3 sensing probes, which can be plugger directly onto the EE244 basic unit or with a connection cable up to 10m long. The robust enclosure features an external antenna and an optional display.
EE244 wireless transmitter is powered by four alkaline AA batteries, but can also be connected to an external power supply. Depending on the number of probes, the physical quantities measured, and the sampling and transmission rate, the batteries may last up to 3 years.
- Measurement of temperature, humidity and CO2
- One wireless network can contain up to 500 transmitters
- Pluggable, interchangeable probes
- Remote sensors at up to 10 metres
- Uses four 1.5 V AA standard batteries
- Battery life of up to 3 years
- External power supply possible
- Optional display
- Interchangeable sensors from E+E
- Robust enclosure with external antenna
- EE871 (CO2)
- EE07 (T, RH)
- EE03 (T, RH)
Humidity, Temperature, CO2Measuring values
2.4 GHzTransmission frequency
IEEE 802.15.4Transmission system
1000m in open fieldRadio range
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EE240 Datasheet(1004.47 kb)
Humidity Calibration-Kit Datasheet(428.89 kb)
Calibration Kit - User Guide(1042.14 kb)
EE240 Manual(3811.68 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.
Room wireless 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.