Siemens SITRANS P Compact Operating Instructions page 73

Operating conditions for gauge pressure and absolute pressure
(from the differential pressure series), differential pressure and
flow
• Storage temperature
Climate class in accordance
with IEC 60721-3-4
Degree of protection accord‐
ing to IEC/EN 60529/UL50-E
Electromagnetic compatibili‐
ty
Interference emission and
interference immunity
Process medium conditions
• Process temperature
Measuring cell with sili‐
cone oil filling
• Measuring cell
30 bar (435.11 psi)
• Measuring cell 160 bar
(2320 psi)
2)
Measuring cell with inert
oil
Measuring cell with FDA-
compliant oil
Only approved for non-Ex devices and devices with intrinsic safety "Ex i" according to ATEX and IECEx.
1)
With O-rings made of fluoroelastomer (FKM) or perfluoroelastomer (FFKM or FFPM), the medium temperature limit is -10 ...
2)
+100°C (14 ... +212°F)
Operating conditions for level
Installation conditions
• Installation instruction
Ambient conditions
• Ambient temperature
Note
SITRANS P320/P420
Compact Operating Instructions, 01/2021, A5E38874562-AC
-50 ... +85 °C (-58 ... +185 °F)
(with FDA-compliant oil: -20 ... + 85
°C (-4 ... +185 °F))
4K26
Enclosure with appropriate cable
gland
Enclosure with mounted M12 device
plug
1)
Enclosure with external overvoltage
protection up to 6 kV
Enclosure with mounted HAN device
plug
1)
In accordance with EN 61326 and NA‐
MUR NE 21
-40 ... +100 °C (-40 ... +212 °F)
-20 ... +100°C (-4 ... +212 °F)
-20 ... +100°C (-4 ... +212 °F)
-20 ... +100 °C (-4 ... +212 °F)
-10 ... +100°C (14 ...+212°F)
Specified by the flange
Observe the allocation of the max. permissible operating temperature to the max. permissible
operating pressure of the relevant flange connection.
IP66/Type 4X
IP68 (2 hours at 1.5 m)
IP66/Type 4X
IP66/Type 4X
IP65
Technical data
8.2 Operating conditions
73