WIKA PSA-31 - Reference Conditions; Operating Conditions

12 WIKA operating instructions pressure switch model PSA-31
GB
14018458.01 11/2011 GB/D/F/E
3. Specications
Temperature coecients depending on the process connection
Clamp DIN 32676, DN 32
Typical temperature coecient of zero point
■
0 ... 20 °C
■
20 ... 80 °C
0.75 % of span / 10 K
0.45 % of span / 10 K
Typical temperature coecient of span
■
0 ... 80 °C 0.1 % of span / 10 K
All other process connections
Typical temperature coecient of zero point
■
0 ... 20 °C
■
20 ... 80 °C
0.7 % of span / 10 K
0.2 % of span / 10 K
Typical temperature coecient of span
■
0 ... 80 °C 0.1 % of span / 10 K
3.6 Reference conditions
Temperature: 15 ... 25 °C
Atmospheric pressure: 950 ... 1,050 mbar
Humidity: 45 ... 75 % relative
Nominal position: Process connection lower mount
Power supply: DC 24 V
Load: see "Output signal"
3.7 Operating conditions
Temperatures and humidity
Ambient temperature: -20 ... +80 °C
Storage temperature: -20 ... +80 °C
Rated temperature range: 0 ... 80 °C
Permissible humidity: 45 ... 75 % relative