EN
WIKA operating instructions models TGS55, TGS73 with 831 (Ex)
14327097.02 09/2019 EN/DE/FR/ES
31
9.3
Associated isolating amplifiers
Model
Number of contacts Safety equipment
904.28 KFA6 - SR2 - Ex1.W
1 contact
no
904.29 KFA6 - SR2 - Ex2.W
2 contacts
no
904.30 KHA6 - SH - Ex1
1 contact
yes
904.33 KFD2 - SH - Ex1
1 contact
yes
9.4 Contact thermometer
Bimetal thermometer, TGS55
Working range
Continuous load (1 year)
Measuring range (DIN 16196)
Short time (max. 24 h)
Scale range (DIN 16196)
Accuracy class per DIN 16196
1)
With single contact
With double contact
Stem diameter 6 mm
Class 2
Class 2
Stem diameter 8 mm
Class 1
Class 2
Stem diameter ≥ 10 mm
Class 1
Class 1
Wetted materials
Stem, process connection
Stainless steel 316SS
Non-wetted materials
Case, bayonet ring
Stainless steel 304SS
(Option: stainless steel 316SS)
Dial
Aluminium, white, black lettering
Pointer
Aluminium, black, adjustable pointer
Ingress protection per
IEC/EN 60529
IP65
(Option: IP66)
1) Adjustable stem and dial version only available in class 2
For further specifications see
WIKA data sheet TV 25.01 and the order
documentation.
9. Specifications