E+E Elektronik GmbH - PRODUCT NEWS
Humidity and Temperature Transmitter for demanding Meteorological Applications highly accurate outdoor measurement
EE33-M is the newest addition to the well proven EE33 transmitter series for relative humidity (RH) and temperature (T).
The heated RH sensor, the additional heating of the RH sensing probe and a separate T probe ensure highly accurate outdoor measurements even under condensation conditions. A special coating protects the RH sensor against pollution. Together with a radiation shield, EE33-M is ideal for high-end meteorology applications.
The heart of EE33-M is the innovative, monolithic HMC01 sensor, developed and manufactured in thin-film technology by E+E Elektronik. HMC01 combines the RH sensor and heating resistor on a single substrate. A dual heating system prevents condensation on the RH sensor, on the sensing probe and on the filter cap, which leads to extremely short response time and fast recovery after condensing conditions. The measuring principle with separate RH and T probes enables precise continuous measurement even at permanent high humidity. The proprietary E+E coating protects the RH sensor element and its leads against corrosive and electrically conductive pollution.
A radiation shield is essential for best performance outdoors. The sensing probes of EE33M match modern radiation shields with forced ventilation such as LAM630.
EE33-M calculates all RH and T related parameters such as dew point temperature, absolute humidity, and mixing ratio. An optional connection cable allows for easy adjustment and configuration of the transmitter. The optional RS485 interface enables a network of up to 32 transmitters.
About E+E Elektronik:
E+E Elektronik GmbH, with headquaters in Engerwitzdorf/Austria, belongs to the Dr. Johannes Heidenhain GmbH group. With around 240 employees, E+E develops and manufactures sensors and transmitters for relative humidity, CO2, air velocity and flow as well as humidity calibration systems. The main E+E markets are HVAC, process control and automotive. With an export share of around 97 % E+E has branch offices in China, Germany, France, Italy, Korea and the USA as well as an international dealer network. Beside operating own accredited calibration laboratories, E+E Elektronik has been appointed by the Austrian Federal Office for Calibration and Measurement (Bundesamt für Eich- und Vermessungswesen; BEV) as designated laboratory to supply the national standards for humidity and air velocity.
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