Specifications; Design And Function - WIKA F73.100 Manual De Instrucciones

3. Specifications / 4. Design and function

3. Specifications

Specifications
EN
Measuring element
Nominal size
Instrument version
Model A7x
■
Model R7x
■
Model S7x
■
Model F7x
■
Model Q7x
■
Permissible ambient
temperature
Working pressure
Continuous load (1 year)
■
short term (max. 24 h)
■
Case, ring
Sheath, process
connection
Ingress protection
per EN/IEC 60529
For further specifications see WIKA data sheet TM 73.01, TM 74.01
or TM 75.01 and order documentation.

4. Design and function

4.1 Description
The gas-actuated thermometer consists of a stem, capillary and
Bourdon tube in the casing. These parts are combined to form a
single unit. The entire measuring system is filled with an inert gas
under pressure.
8
73
Gas-pressure inert gas filling, physiologically
safe
100, 160, 144 x 144 100
Back mount (axial)
Lower mount (radial)
Back mount, adjustable stem and dial
Instruments with capillaries
Instruments in panel mounting design
-40 ... +60 °C
Measuring range (EN 13190)
Scale range (EN 13190)
Stainless steel
Stainless steel
1.4571
IP 65
IP 66 (liquid-filled)
WIKA operating instructions models 73, 74, 75
74 75
0 ... 60 °C
Stainless Stainless
steel 1.4435 steel 1.4571
IP 66