17
UK
Screw the rod to the unit again and tighten it� Recommended tightening torque:
►
4 Nm�
Precisely measure the rod length L, note the value� It must be entered during
►
parameter setting of the unit (→ 10. 2).
Shortening of the coaxial pipe
6.3.2
The coaxial pipe and the rod must be of the same end length�
Remove fastening bracket and
►
centring piece (A, B)�
Shorten the coaxial pipe to the
►
requested length: L
K
= L + 9 mm�
After shortening, at least one hole
(C) for insertion of the fixing bracket
has to be left�
Remove all burrs and sharp edges�
►
Insert centring piece (A) at the
►
lower end of the pipe and attach it
using the fixing bracket (B) at the
lower hole (C)�
A
B
C
L
K
= length of the coaxial pipe
L = length of the rod from the lower edge
of the process connection
Installation of the unit with single probe
6.4
Installation in metal tanks
6.4.1
NOTE: In all cases the unit needs a metal surface to transfer the measured sig-
nals (launching plate)� For installation in closed metal tanks, the metal lid serves
as a launching plate (R)�
2 ways of installation are possible:
Screw in a G¾ process connection in the tank lid (fig� A)�
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