Vega VEGABAR 75 4 … 20 mA_HART Bedienungsanleitung PDF herunterladen (Seite 28)

10 Supplement

10.1 Technical data

General data

Manufacturer VEGA Grieshaber KG

, D-77761 Schiltach

Type name VEGABAR 75

Pressure type Gauge pressure or gauge pressure

Measuring principle ceramic-capacitive, temperature-compensated

isolated system

Communication interface None

Materials and weights

Material 316L corresponds to 1.4404 or 1.4435

Materials, wetted parts

- Process ﬁtting 316L

- Process diaphragm Hastelloy C276

Materials, non-wetted parts

- Isolating liquid med. white oil, FDA listed (silicone-free)

- Housing 316L

- Ground terminal 316Ti/316L

- Connection cable PUR, FEP, PE

Weight 0.8 … 8 kg (1.8 … 17.6 lbs), depending on

process ﬁtting

Output variable

Output signal 4 … 20 mA/HART

Failure signal 22 mA (3.6 mA), adjustable

Max. output current 22.5 mA

Damping (63 % of the input variable) 0 … 10 s, adjustable

Step response or adjustment time 70 ms (ti: 0 s, 0 … 63 %)

Fulﬁlled NAMUR recommendations NE 43

Input variable

Adjustment

Zero adjustable -20 … +95 % of the nominal measuring range

Span adjustable 3.3 … +120 % of the nominal measuring range

Recommended max. turn down 10:1

Supplement

28 VEGABAR 75 - 4 … 20 mA/HART

28433-EN-070718

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Vega VEGABAR 75 4 … 20 mA_HART Bedienungsanleitung Seite 28