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VEGADIF: Flow-rate measurement via differential pressure

In flow-rate measurement via differential pressure measurement, the differential pressure is measured with the help of a differential pressure device, e.g. an orifice plate or a dynamic pressure probe (pitot tube). The differential pressure transducer calculates the flow rate from the measured value provided by differential pressure system. Thanks to the finely graduated ranges of the measuring cells and the minimal measurement deviation, very accurate flow-rate measurement can be realized.

The advantages

  • Wide application spectrum thanks to large selection of measuring ranges
  • Differential pressure transducers can detect pressure differences of just a few mbar, even with high static pressures
  • Low-cost alternative to flow transducers

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VEGADIF 85

VEGADIF 85

With metallic measuring diaphragm

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Liquids

Function

Flow measurement via differential pressure operates by means of a differential pressure generator, e.g. an orifice plate or a dynamic pressure probe. The differential pressure transmitter calculates the flow rate from the value measured via the differential pressure system. Thanks to the fine measuring cell graduation and the minimal measurement error, precise flow measurements can be realized.

Series

VEGADIF 85 is a compact differential pressure transmitter. As an option, VEGADIF can be equipped separately with chemical seals.

Mounting

The differential pressure is determined via a differential pressure transducer. Threaded or flanged connections allow installation in a variety of process fittings on pipes. The pressures are transmitted to the sensor via chemical seals.

Connection

The instrument is connected with standard two-wire cable.

Setup

As soon as a plausible measured value is found, the corresponding current is output on the signal line. The value corresponds to the current flow rate, in relation to the maximum measuring range.



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