Burkert 8137 Manuel D'instructions page 20

4 Mounting
20
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Fig. 15: LEVEL TRANSMITTER 8137 in a bypass tube
1 Marking of the polarisation direction
When the sensor is mounted on a bypass tube, the distance from
LEVEL TRANSMITTER 8137 to the upper tube connection should be
approx. 300 mm (11.81 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.
LEVEL TRANSMITTER 8137 • 4 ... 20 mA/HART
1