20
Arrange for a bore hole in the tank lid� It must have a minimum diameter (d) to ►
enable sufficient transfer of the measured signal to the probe� The diameter
depends on the wall thickness of the tank lid:
Wall thickness [mm] 1���5 5���8 8���11
Bore hole diameter [mm] 35 45 55
Install the flange plate with the flat surface showing to the tank and fix it with ►
appropriate screws�
A seal (B) can be inserted between flange plate and tank (some flange plates
are supplied with seal)�
Ensure cleanness and evenness of the sealing areas, especially if the tank is ►
under pressure� Tighten the fixing screws sufficiently�
Screw the unit in the flange plate and tighten firmly� ►
Make sure that the supplied sensor seal (A) is correctly positioned� ►
Installation of the unit with coaxial probe in the tank6.5
Seal the process connection� ►
For pipes with G¾ process connection: slide the supplied seal onto the thread •
of the coaxial pipe�
For pipes with G¾“ NPT process connection: apply a suitable sealing material •
(e�g� Teflon tape)�
Screw the sensor with the coaxial pipe into the tank and tighten it� ►
After installation, the sensor housing can be aligned� It can be rotated
without restriction� Even if rotated several times there is no risk of damage
to the unit�
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