Operating conditions for level
Enclosure -40 … +100 °C (-40 … +212 °F)
Measuring cell with sili‐
cone oil lling
-40 … +85 °C (-40 … +185 °F)
Display -20 … +80 °C (-4 … +185 °F)
• Storage temperature
-50 … +85 °C (-58 … +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 compatibility
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
• Plus side: See mounting ange
• Minus side: -40 … +100 °C (-40 …
+212 °F)
1)
Only approved for non-Ex devices and devices with intrinsic safety "Ex i" according to ATEX and IECEx.
Technical data
8.2 Operating conditions
SITRANS P320/P420
74 Compact Operating Instructions, 01/2021, A5E38874562-AC
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