Reference Conditions; Operating Conditions - WIKA PSA-31 Mode D'emploi

3. Specifications
Temperature coefficients depending on the process connection
Clamp DIN 32676, DN 32
Typical temperature coefficient of zero point
EN
0 ... 20 °C
20 ... 80 °C
Typical temperature coefficient of span
0 ... 80 °C
All other process connections
Typical temperature coefficient of zero point
0 ... 20 °C
20 ... 80 °C
Typical temperature coefficient of span
0 ... 80 °C

3.6 Reference conditions

Temperature:
Atmospheric pressure: 950 ... 1,050 mbar
Humidity:
Nominal position:
Power supply:
Load:

3.7 Operating conditions

Temperatures and humidity
Ambient temperature:
Storage temperature:
Rated temperature range: 0 ... 80 °C
Permissible humidity:
12
0.75 % of span / 10 K
0.45 % of span / 10 K
0.1 % of span / 10 K
0.7 % of span / 10 K
0.2 % of span / 10 K
0.1 % of span / 10 K
15 ... 25 °C
45 ... 75 % relative
Process connection lower mount
DC 24 V
see "Output signal"
-20 ... +80 °C
-20 ... +80 °C
45 ... 75 % relative
WIKA operating instructions pressure switch model PSA-31 for sanitary applications