WIKA F73.100 - Page 15

EN
12099431.07 11/2018 EN/DE/FR/ES
WIKA operating instructions models 73, 74, 75
15
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
5. Commissioning, operation