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Quotient of an observed change in the and the causing (sufficiently small) change in the input signal (or the measured variable ). The term sensitivity of a measuring device is primarily used for indi

Signal processing with electronic modules that may be analogue or digital . It is therefore possible to utilise for the signal processing all the features of modern microelectronics related to the sco

For the electric actuation of hydraulic devices on valves solenoids are used primarily in various versions as DC, AC or also as proportional solenoids . Electric stepper motors or DC control motors ar

sealing compatibility index DVI

Material that can be deformed elastically, that is it can be stretched to a significant extent and after relief it will quickly and practically completely return to its initial shape. Elastomers compr

Compressibility

Most important material group for seals . Due to their elastic properties they can change shape on installation, adapt to deviations in the geometric shape of the surface to be sealed and make possibl

Term used occasionally for 2-way plug-in valves.

Function unit for controlling a single (DIN 19 237). The single control for an actuator is the smallest (and lowest) function unit within the control for a process. It controls a single control elemen

( single or separate drive for machines ) Each output element has a dedicated drive element or a dedicated pump. Separate circuit hydraulics are used on simple drives and in systems with several drive