Electro-mechanical Weight Transmitter Kiepe EGM

The Kiepe EGM is an electronic weight transducer that converts spring deflection into voltage and current signals. Loading level of vehicles, equipped with spring system, can be measured according to the following schematic diagram.

Construction

The electronic weight transducer is built into an aluminium casing, mounted to vehicle spring suspensions as per above schematic diagram. A lever is connected to a shaft that converts the spring deflection ∆s into a rotary motion.

Function

The oscillator produces an alternating voltage of constant amplitude. The voltage is transferred by means of a coupling coil. The coupling factor is varied by means of a metal tongue. The transferred alternating voltage is proportional to deflection ∆s. The alternating voltage is then rectified, linearized, scaled and employed as voltage (4 ... 10 V) and current
(4 ... 20 mA) outputs.The electrical output signals are in the measuring range of the stroke linearly proportional to the deflection ∆s. For further deflections outside the measuring range ∆s there are no defined signal spectrums.

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