9WIKA operating instructions pressure transmitter, model S-20
14043170.01 04/2013 GB/D/F/E
GB
3. Specications
3. Specications
Permissible temperature ranges
Medium Ambient Version
-30 ... +100 °C -30 ... +100 °C -
-40 ... +125 °C -40 ... +125 °C -
-40 ... +150 °C -40 ... +125 °C
1)
with cooling element
-40 ... +200 °C -40 ... +125 °C
1)
with cooling element
-20 ... +60 °C -20 ... +60 °C Oxygen applications
1)
Derating curve and formula
Depending on the choice of sealing on the process connection and the electrical connection, there may be limitations
in the medium and the ambient temperatures.
Ambient temperature [°C]
Medium temperature [°C]
Maximum permissible ambient temperature
T
amb
(T
med
< 125 °C) = 125 °C
T
amb
(T
med
≥ 125 °C) = -0.62 x T
med
+ 202 °C
T
amb
= Ambient temperature [°C]
T
med
= Medium temperature [°C]
Maximum permissible medium temperature
T
med
(T
amb
< 80 °C) = 200 °C
T
med
(T
amb
≥ 80 °C) = -1.61 x T
amb
+ 326 °C