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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.

Term used for hydraulic oils with anti-ageing and corrosion-protection properties for systems subjected to a high thermal load. Viscosity index 95 to 105. (requirement standard DIN 51 524, Part 1).

Retains the instantaneous value for an input signal recorded by a sampler as the output signal until the next sampling (DIN 19 226).

To assess the noise emissions, as a rule, the entire frequency range is not measured. Instead, specific frequency bands of practical significance are measured. This action is undertaken using electric

An error is present if (a) feature(s) of a part is/are outside the defined limits or limit pattern (according to DIN 267). Not every error automatically signifies a defect on the machine (system) (DIN

Signal area in which the signal input , signal linking and signal output are undertaken using electronic elements.

Chamber in which a pressure is built up or maintained.

Double-action piston that has a smaller area A R on the rear. Pressure on the piston area A K generates the piston force and pressure on the annular area A R (in (Figure D 21) ) generates a counteract