WIKA TW61 Mode D'emploi page 11

4. Design and function
Angular housing
■
(recommended mounting position, see chapter 6 "Commissioning, operation")
For model TR21-B miniature resistance thermometer
1) In the event of replacement, calculate
sensor insertion length, l
l = U + M + 3 mm
1 (TR21-B) 1
For model TR22-B resistance thermometer
WIKA operating instructions thermowell, model TW61
, as follows:
1
1)
2) In the event of replacement, select a resistance
thermometer measuring insert model TR11-A.
The corresponding sensor length, l
as follows:
Insertion length U
1
+ 5 mm pre-load + 10 mm head dimension
2)
, is calculated
5
+ neck tube length M (85 mm)
11
EN