WIKA 55 - Manual (Page 13)

GB
11583747.03 10/2013 GB/D/F/E
WIKA operating instructions models 53, 54, 55 (ATEX) 13
3. Position the indicator as required, tighten the hexagon bolts and
slotted screws, and finally tighten the lock nut or union nut firmly.
Permissible vibration load at the installation site
The instruments should always be installed in locations free from
vibration.
If this is not possible, the following limit values must not be exceeded:
Frequency range < 150 Hz
Acceleration < 0.5 g (5 m/s 2 )
When using thermowells, they must be filled with a thermal contact
medium in order to reduce the heat transfer resistance between the
outer wall of the sensor and the inner wall of the thermowell. The
working temperature of the thermal compound is -40 ... +200 °C.
WARNING!
Do not fill hot thermowells. There is a risk of the oil
spraying out!
loosening
Make sure to loosen the screws
on the opposite side as well!
6. Commissioning, operation