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The distance to be measured is divided into equal elements (increments), which are then counted. The distance covered is obtained from the total for the increments from a single point of reference. Th

Noise which contains short-lived and fast-rising changes in the of at least 5 to 10 dB (e.g. hammer blows, typewriters). Impulse noise is either measured using an impulse noise pressure meter or measu

Resistance which a fluid flowing inside pipes or similar bodies must overcome. It is higher for laminar flow than for turbulent flow: where A S = flow cross section.

The linearity error corresponds to the maximum difference in gradient or the maximum deviation between the target characteristic curve (straight lines) and the actual characteristic curve for the meas

Control system on which the setpoint remains unchanged over an extended period apart from occasional adjustments (according to DIN 19 226). The primary task of such a feedback control is to regulate o

On continuously adjustable directional valves : The flow depends on the magnitude of the pressure drop assumed at the control edges as well as the magnitude of the opening cross-section and with it th

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

This covers in terms of hydraulics the range from around 60 to 250 bar.

Transmission parameter. The range of the torque multiplication is given by the ratio of the maximum to the minimum torque of a hydraulic motor or hydrostatic transmission : The magnitude of the multip

Control of the flow rate of a hydraulic system by flow resistances in general with the objective of controlling the velocity of a cylinder or motor. For this purpose flow valves , manually controlled