VEGA VEGAPULS 66 (≥ 2.0.0 - ≤ 3.8) enamel 4 … 20 mA_HART four-wire User Manual
Page 20
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100%
0%
1
> 500 mm
Fig. 13: VEGAPULS 66 in a bypass tube. The polarisation marking on the
process fitting must be in one plane with the tube holes or the tube connection
openings.
1
Marking of the polarisation direction
W
hen the sensor is mounted on a bypass tube, the distance from
VEGAPULS
66
to the upper tube connection should be approx.
500
mm (19.69 in) or more. In case of extremely rough tube inner
walls, you should use an inserted tube (tube in tube) or a radar sensor
with tube antenna.
Information:
W
ith VEGAPULS 66 in flange version, the polarisation plane is always
in the center between two flange holes.
20
VEGAPULS
66
enamel • 4 … 20 mA/HART four-wire
4 M
ounting
31954
-EN
-090305
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