VEGA VEGAPULS 61 (≥ 2.0.0 - ≥ 4.0.0) 4 … 20 mA_HART - two-wire Approval according to LPR radio standard User Manual

Page 71

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0,5 m (1.6 ft)

10 mm (0.394 in)

- 10 mm (- 0.394 in)

2 mm (0.079 in)

- 2 mm (- 0.079 in)

0

1

2

3

Fig. 52: Deviation under reference conditions - plastic horn antenna

1

Reference plane

2

Antenna edge

3

Recommended measuring range

Reproducibility

≤ ±

1 mm

Deviation with bulk solids

The values depend to a great extent on the
application. Binding specifications are thus not
possible.

Variables influencing measurement accuracy

Specifications apply to the HART signal and the current output

Temperature drift - Digital output

±

3 mm/10 K relating to the max. measuring range

or max. 10 mm

Additional deviation through strong, high
frequency electromagnetic fields acc. to EN
61326

50 mm

Specifications apply also to the current output

Temperature drift - Current output

±

0.03 %/10 K relating to the 16 mA span max.

±

0.3 %

Deviation on the current output by analogue/
digital conversion

15 µA

Deviation on the current output by strong,
high frequency electromagnetic fields within
EN

61326

150 µA

Characteristics and performance data

Frequency

K-band (26 GHz technology)

Measuring cycle time

450 ms

VEGAPULS

61 • Approval according to LPR radio standard

71

11 Supplement

41713

-EN

-120301

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