Siemens SITRANS P - Page 73

Operating conditions for gauge pressure and absolute pressure
(from the di󹪜erential pressure series), di󹪜erential pressure and
󹪞ow
• Storage temperature
-50 … +85 °C (-58 … +185 °F)
(with 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 NA‐
MUR NE 21
Process medium conditions
• Process temperature
Measuring cell with sili‐
cone oil 󹪝lling
-40 … +100 °C (-40 … +212 °F)
• Measuring cell
30 bar (435.11 psi)
-20 … +100°C (-4 … +212 °F)
• Measuring cell 160 bar
(2320 psi)
2)
-20 … +100°C (-4 … +212 °F)
Measuring cell with inert
oil
-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.
2)
With O-rings made of 󹪞uoroelastomer (FKM) or per󹪞uoroelastomer (FFKM or FFPM), the medium temperature limit is -10 ...
+100°C (14 ... +212°F)
Operating conditions for level
Installation conditions
• Installation instruction
Speci󹪝ed by the 󹪞ange
Ambient conditions
• Ambient temperature
Note Observe the allocation of the max. permissible operating temperature to the max. permissible
operating pressure of the relevant 󹪞ange connection.
Technical data
8.2 Operating conditions
SITRANS P320/P420
Compact Operating Instructions, 01/2021, A5E38874562-AC 73