Environmental Laboratory
New Compact Transmitter for Moisture in Oil Measurement
Apr 30 2009
The NEW Series EE381 transmitter from E+E Elektronik (Austria) enables precise measurement of moisture content in oil in the range 0…1 aw at temperatures from -40...80°C (-40…176°F).
The specifically for that application designed monolithic humidity / temperature sensor element provides outstanding accuracy and very good long-term stability. Fast response time and high resistance against chemical contamination are the main features of this sensor element HMC01, developed in thin film technology by E+E Elektronik.
The sensing head is pressure tight up 100 bar (1450 psi) and can be mounted either with a G½” ISO or a ½” NPT thread. The rugged, compact metal housing of Series EE381 is rotatable over the full 360 degrees, allowing positioning for excellent readability of the optional dual-line display and easy accessibility of the robust industrial electrical connector - even in difficult mounting situations. Both analogue outputs are freely scalable and configurable. It is possible to have the transmitter equipped with switching outputs. Status indicators provide easy on-site diagnostics. Typical applications are monitoring of transformer oil, hydraulic oil, motor oil of ship engines and lubrication oil of bearings.
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