WIKA TW61 - Manual (Page 8)

11593963.03 03/2014 GB/D/F/E
8 WIKA operating instructions thermowell, model TW61
GB
Pt100
Output signal
4 ... 20 mA
1) In the event of replacement, select a resistance thermometer
measuring insert model TR22-B.
The corresponding sensor length, A(l
5
), is calculated as follows:
Insertion length U
1
+ neck tube length M + 5 mm pre-load +
10 mm head dimension
Output signal
4.2 Dimensions in mm
■ Flow-through housing
4. Design and function
11610565.01
1)
1) In the event of replacement,
calculate sensor length, A,
as follows:
A
TR21-B
= U
1
+ M + 3 mm
11528266.01
14006093.02
For model TR21-B miniature resistance thermometer
For model TR22-B resistance thermometer
pr
e-load
1)