E+E ELEKTRONIK GES.M.B.H. headquaterd in Engerwitzdorf, Austria, was established in 1979. As a specialist for sensors E+E Elektronik produces humidity sensors, CO₂ sensors, flow sensors, differential pressure sensors, transmitters, hand-held meters and dataloggers for the measurement of  relative humidity, moisture in oil, dewpoint, air velocity, flow, CO₂, pressure and temperature. E+E also operates a nationally accredited calibration lab and is appointed to maintain the "National Standard for Humidity in Austria".

E+E SENSOR TECHNOLOGY (SHANGHAI) CO., LTD was established in 2011, and it’s the wholly-owned subsidiaries of E+E ELEKTRONIK GES.M.B.H..It’s responsible for the sale and after-sales service in China.