Vega VEGABAR 52 - climate compensated Bedienungsanleitung PDF herunterladen (Seite 9)

l Tec

hnical 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 52 4 … 20 mA/HART - climate compensated is a pressure

transmitter for measurement of gauge pressure or vacuum under

diﬃcult climatic conditions (cold medium and warm humid environ-

ment). Measured products are gases, vapours and liquids.

Sensor element is an encapsulated CERTEC

absolute pressure

measuring cell with rugged ceramic diaphragm. The process pressure

causes a capacitance change in the measuring cell via the ceramic

diaphragm. This capacitance change is converted into an electrical

signal, compared with an integrated reference pressure measurement

and outputted as measured value via the output signal.

The CERTEC

measuring cell is also equipped with a temperature

sensor. The temperature value can be displayed via the indicating and

adjustment module or processed via the signal output.

Two-wire electronics 4 … 20 mA/HART for power supply and

measured value transmission over the same cable.

The supply voltage range can diﬀer depending on the instrument

version.

The data for power supply are speciﬁed in chapter "Technical data".

The background lighting of the indicating and adjustment module is

voltage. You can ﬁnd the exact voltage speciﬁcations in chapter

"Technical data".

The optional heating requires its own operating voltage. You can ﬁnd

details in the supplementary instructions manual "Heating for indicat-

ing and adjustment module".

This function is generally not available for approved instruments.

3.3 Operation

VEGABAR 52 can be adjusted with diﬀerent adjustment media:

l with indicating and adjustment module

Application area

Functional principle

Power supply

VEGABAR 52 • 4 … 20 mA/HAR

T - climate compensated 9

3 Produc

t description

35075-EN-081209

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 87 88

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