Pressure measurement converter for harsh industrial conditions
1 February 2020
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Instrotech is offering Kobold’s PNK pressure measurement converter, used for the electrical remote transmission of pressure. For use in heavy machinery, engines, shipbuilding and automotive engineering, the robustly constructed unit must work reliably whilst withstanding strong vibrations and widely varying ambient temperatures. Kobold PNK’s physical size is also as small as possible so that several of the units can be arranged, clearly visibly, into confined spaces.
When subjected to pressure, the Bourdon tube deflects laterally. The degree of deflection is converted into a proportional electrical measurement using a contact-free differential transformer. The integrated amplifier offers an analogue current output of 0 (4) to 20 mA or a voltage of 0 – 10V.
The compact PNK unit comprises a pressure measuring element (Bourdon tube), the inductive tapping system and the downstream amplifier. The electrical supply is connected via screwed cable glands. The aluminium alloy casing is saltwater-resistant and is designed for easy access to pressure connections, cable entry points and terminals.
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