WIKA 55 Series User Manual

EN
12968065.06 06/2019 EN/DE/FR/ES
WIKA operating instructions model 55 15
5. Commissioning, operation
5.1 Use of thermowells
CAUTION!
Damage due to incorrect handling
When using thermowells, please ensure that the stem does
not touch the bottom of the thermowell since, due to the
dierent expansion coecients of the materials, the stem
may become buckled at the bottom of the thermowell.
▶
Use the correct insertion length (for the formula for the
calculation of the insertion length, l
1
, see the respective
thermowell data sheet).
Thermowell
Stem
required safety
clearance

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