WIKA 55 Series User Manual

EN
12968065.06 06/2019 EN/DE/FR/ES
16 WIKA operating instructions model 55
5.2 Thermal contact medium
When using thermowells, they must be lled with a thermal contact
medium in order to reduce the heat transfer resistance between
the outer wall of the probe and the inner wall of the thermowell. The
working temperature of the thermal compound is -40 ... +200 °C.
WARNING!
Physical injuries and damage to equipment due to oil
spraying out
When pouring a thermal contact medium into a hot
thermowell, there is a danger of physical injuries and
damage to equipment due to oil spraying out.
▶
Do not ll hot thermowells
6. Faults
CAUTION!
Physical injuries and damage to property and the
environment
If faults cannot be eliminated by means of the listed
measures, the instrument must be taken out of operation
immediately.
▶
Ensure that pressure or signal is no longer present and
protect against accidental commissioning.
▶
Contact the manufacturer.
▶
If a return is needed, please follow the instructions given
in chapter 8.2 “Return”.
5. Commissioning, operation / 6. Faults

WIKA 55 Series Specifications

General

Type	Bimetallic thermometer
Case Material	Stainless steel
Accuracy	±1% of full scale
Temperature Range	-70°C to +540 °C
Connection	1/2" NPT
Window Material	Glass
Scale Division	Dependent on temperature range
Dial Size	63 mm, 80 mm, 100 mm, 125 mm, 160 mm