Operating conditions for gauge pressure and absolute pressure (from the gauge pressure series)
Cell Pressure Temperature range
Measuring cell with sili‐
cone oil lling
-40 … +100 °C (-40 … +212 °F)
Measuring cell with inert
oil (gauge pressure)
250 mbar -40 … +100 °C (-40 … +212 °F)
1 bar/100 kPa/14.5 psi -40 … +100 °C (-40 … +212 °F)
4 bar/400 kPa/58 psi -40 … +100 °C (-40 … +212 °F)
16 bar/1.6 MPa/232 psi -40 … +100 °C (-40 … +212 °F)
63 bar/6.3 MPa/914 psi -40 … +100 °C (-40 … +212 °F)
160 bar/16 MPa/2321 psi -20 … +100 °C (-4 … +212 °F)
400 bar/40 MPa/5802 psi -20 … +100 °C (-4 … +212 °F)
700 bar/70 MPa/10152 psi -20 … +100 °C (-4 … +212 °F)
Measuring cell with inert
oil (absolute pressure)
-20 … +100 °C (-4 … +212 °F)
Measuring cell with FDA-
compliant oil
-10 ... +100 °C (14 ... +212 °F)
1)
Only approved for non-Ex devices and devices with intrinsic safety "Ex i" according to ATEX and IECEx.
Operating conditions for gauge pressure and absolute pressure
with front-ush diaphragm
Ambient conditions
• Ambient temperature
Note Observe the temperature class in hazardous areas.
Enclosure -40 … +100 °C (-40 … +212 °F)
Measuring cell with sili‐
cone oil lling
-40 … +85 °C (-40 … +185 °F)
Measuring cell with inert
oil
-40 … +85 °C (-40 … +185 °F)
Measuring cell with FDA-
compliant oil
-10 … +85 °C (14 … 185 °F)
Display -20 … +80 °C (-4 … +176 °F)
• Storage temperature
-50 … +85 °C (-58 … +185 °F)
(for FDA-compliant oil: -20 ... + 85 °C
(-4 ... +185 °F))
Climate class in accordance
with IEC 60721-3-4
4K26
Technical data
8.2 Operating conditions
SITRANS P320/P420
Compact Operating Instructions, 01/2021, A5E38874562-AC 71