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The recording of measured values must be sufficiently accurate to satisfy the requirements associated with their further processing. This is particularly true of measuring in , since errors occurring

The energy required to operate electro-mechanical signal converters ( solenoids , torque motors ), electrical measuring instruments or monitoring devices (DIN 24 311).

Breather filter

Pressure transducers

Cylinder design without a piston rod. As a result, these cylinders have an ideal short installation length just greater than the stroke. With the pistons not having any piston rod, both piston sides a

As almost all measured variables in fluid technology change in an analogue manner, they must first be divided up into equal size sections (steps) for digital measured value acquisition. This action ca

Local flow resistance with step cross-section constriction in which the ratio between the length l and the diameter d is relatively small (Figure B 18) : The smallest flow cross-section is outside the

Measuring amplifier on which a stable DC generator supplies the transducer with a supply voltage. This voltage is changed by the load on the sensor and supplied to the input stage on the amplifier. Th

Controls which link signals with each other using logic by means of contactors and relays — fitted with contacts. These days, contact controls only tend to be used for small-scale controls, i.e. those

Device used for flow rate measurement (flow measurement) according to the displacement principle, which works like a geared motor . The flow rate to be measured rotates the pair of gears. This movemen