Siemens SITRANS P - Operating Conditions

8.2 Operating conditions
Operating conditions for gauge pressure and absolute pressure (from the gauge pressure series)
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 … +185 °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
Degree of protection accord‐
ing to IEC/EN 60529/UL50-E
Enclosure with appropriate cable
gland
IP66/Type 4X
IP68 (2 hours at 1.5 m)
Enclosure with mounted M12 device
plug
1)
IP66/Type 4X
Enclosure with external overvoltage
protection up to 6 kV
IP66/Type 4X
Enclosure with mounted HAN device
plug
1)
IP65
Electromagnetic compatibili‐
ty
Interference emission and
interference immunity
In accordance with EN 61326 and
NAMUR NE 21
Process medium conditions
• Process temperature
Technical data
8.2 Operating conditions
SITRANS P320/P420
70 Compact Operating Instructions, 01/2021, A5E38874562-AC