WIKA 55 - Manual (Page 10)

GB
11583747.03 10/2013 GB/D/F/E
10 WIKA operating instructions models 53, 54, 55 (ATEX)
3. Specifications
Specifications Model 53 Model 54 Model 55
Measuring element Bimetal coil
Nominal size 3", 5" 63, 80, 100, 160 63, 100, 160
Instrument version
■ Model A5x
■ Model R5x
■ Model S5x
Back mount (axial)
- Lower mount (radial)
Back mount, housing can rotate and swivel
Permissible ambient
temperature
-20 ... +60 °C max. -50 ... +60 °C
Working pressure
■ Continuous load (1 year)
■ Short term (max. 24 h)
Measuring range (EN 13190)
Scale range (EN 13190)
Case, ring Stainless steel 1.4301 (304)
Stem, process connection Stainless steel 1.4571 (316Ti)
Ingress protection IP 65 per EN 60529 / IEC 529
IP 66, liquid-filled
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.
Through the high protection class of the thermometer (IP 65) and its
liquid damping, operation under vibration conditions is possible.
3. Specifications / 4. Design and function