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Filter consisting of a set of fine metal discs with a defined distance and which also determines the maximum filtration grade (Figure M 23). The gap filter is one of the surface filters , i.e. it has

Used as flat and round seals . In order to provide a tight seal, they must undergo plastic deformation, which enables them to fill up any surface roughness . This is why they can only provide a tight

The value determined to represent a measured variable and output at the signal output element . It is expressed as a product of a numerical value and the unit for the measured variable. Compared with

Section of a measuring device where what is received from the sensors in terms of signals is prepared, processed and output (displayed). The type and accuracy of measurement data processing must be ta

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

Measuring instrument which outputs the measured value for the variable measured ( measured variable ). It either serves as a visible output or an indirect output. Many signal output elements still fea

In many cases, the voltage signals obtained during electrical measuring of mechanical variables cannot undergo further processing directly in the signal section of a control . They need to be prepared

Device which amplifies the mostly very weak during electrical measuring procedures (e.g. 2 mV/V bridge voltage for strain gauges) to a level required for the purposes of display or further processing.

Refers to the physical and mechanical process for recording a measured variable. Example: pressure measurement using a pressure gauge , , piezoresistive or analogue or digital measuring procedure or d

Difference between the average value for the measurement, corrected to make up for any known systematic measuring errors , and the upper and lower limit for the (measurement uncertainty) interval with