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Electropneumatic positioner Trovis 3730

With intelligent communication features
Electropneumatic positioner

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The Samson positioners from the Series 3730 – Trovis 3730–1 and Trovis 3730 3 for 4 to 20 mA applications now combine the latest technological developments with the proven device base known from the Type 3730–1 and Type 3730–3 predecessor models. Both positioners are particularly rugged thanks to their no-wear, non-contact travel sensing system. Two inductive limit contacts are available to reliably indicate both valve end positions.

At the same time, the positioners’ air consumption has been reduced considerably by upgrading the pneumatics block. Operation continues to rely on the rotary pushbutton taken over from the successful Series 3730. Trovis 3730–3 communicates over the Hart 7 protocol and comes with the Expertplus valve diagnostics with optimised features. To facilitate operation, the positioners are fitted with a plain-text display that indicates the condensed state according to Namur, measured values, start-up settings as well as messages in English or German. Trovis 3730–3 is additionally ready for interconnection with SAM Chemicals, the cloud-based business application for the process industry.


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