Vega VEGABAR 63 4 … 20 mA_HART Bedienungsanleitung PDF herunterladen (Seite 9)

Fig. 1: Example

of a VEGABAR 63 with manometer connection G½ A according

to EN 837 and plastic housing

1 Housing cover with integrated indicating and adjustment module (optional)

2 Housing with electronics

3 Process ﬁtting with measuring cell

The type label contains the most important data for identiﬁcation and

use of the instrument:

l Sensor type

l Article number instrument

l Technical data: Measuring range, process pressure, process

temperature, signal output, voltage supply, protection, protection

class

l Order number

l Article numbers documentation

l Serial number

With the serial number, you can access the delivery data of the

instrument via

www.vega.com, "VEG

A Tools" and "serial number

search". In addition to the type label outside, you can also ﬁnd the

serial number on the inside of the instrument.

3.2 Principle of operation

VEGABAR 63 is a pressure transmitter for measurement of over-

pressure, absolute pressure or vacuum. Measured products are

gases, vapours and liquids in measuring ranges up to 4000 bar

(400 MPa); with front-ﬂush version also viscous liquids in measuring

ranges up to 600 bar (60 MPa).

The process press ure acts on the sensor element via the stainless

steel diaphragm. The process pressure causes a resistance change

which is converted into a corresponding output signal and outputted as

measured value.

Measuring ranges up to 16 bar: piezoresistive sensor element with internal

transmission liquid, with measuring ranges up to 25 bar: Strain gauge

(DMS) sensor element on the rear of the stainless steel diaphragm (dry).

Type label

Application area

Functional principle

VEGABAR 63 • 4 … 20 mA/HAR

T 9

3 Produc

t description

32462-EN-081209

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 75 76

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