Vega D80 Hydrostatic pressure transmitters Bedienungsanleitung PDF herunterladen (Seite 4)

4 Pressure transmitter D80

Product description

1 Product description

1.1 Function and configuration

The pressure transmitter D80 is an efficient

instrument for pressure measurement. A dry

ceramic-capacitive CERTEC

®

measuring cell

is used as pressure sensor element.

Pressure transmitter D80

Measuring cell: dry, ceramic-capacitive

Diaphragm: flush, ceramic

Series: flanged version

Standard application: Pressure measurement

of gases, vapours, liquids and dusts in all

areas of process engineering.

The pressure effects a capacitance change

in the measuring cell. This capacitance

change is detected by an ASIC (Application

Specific Integrated Circuit) and converted

into a pressure-proportional signal by the

integrated electronic module with

microcontroller. Precise, high-resolution dig-

ital processing of measurement data ensures

excellent technical data.

To improve reliability, the functionality of im-

portant electronic components is continu-

ously checked, and internal parameters such

as sensor value, temperature and operating

voltage are closely monitored.

Output signal

The output signal is transferred as a digital or

analogue signal from the pressure transmitter

to the signal conditioning instrument:

• analogue output signal

- unstandardised (in conjunction with

VEGA signal conditioning instrument)

- 4 … 20 mA standardised

• digital output signal (VBUS) for connection

to a digital VEGA signal conditioning instru-

ment (VEGAMET 514V, 515V or VEGALOG

571)

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