Specifications; Design And Function - WIKA 54 Serie Manual De Instrucciones

3. Specifications / 4. Design and function

3. Specifications

Specifications
EN
Measuring element
Nominal size
Instrument version
Model A5x
■
Model R5x
■
Model S5x
■
Permissible ambient
temperature
Working pressure
Continuous load (1 year)
■
Short term (max. 24 h)
■
Case, ring
Stem, process connection Stainless steel 1.4571 (316Ti)
Ingress protection
For further specifications see WIKA data sheet TM 53.01, TM 54.01
or TM 55.01 and order documentation.

4. Design and function

4.1 Description
The bimetal thermometers of this series are intended for installation in
pipelines, vessels, plant and machinery.
Sheath and case are made of stainless steel.
To allow fitting to the process, different installation lengths and
process connections are available.
10
Model 53
Bimetal coil
3", 5"
Back mount (axial)
-
Back mount, housing can rotate and swivel
-20 ... +60 °C max.
Measuring range (EN 13190)
Scale range (EN 13190)
Stainless steel 1.4301 (304)
IP65 per EN/IEC 60529
IP66, liquid-filled
WIKA operating instructions models 53, 54, 55 (ATEX)
Model 54
63, 80, 100, 160
Lower mount (radial)
Model 55
63, 100, 160
-50 ... +60 °C