Siemens SITRANS P320 Compact Operating Instructions page 74

Technical data
8.2 Operating conditions
Operating conditions for gauge pressure and absolute pressure
with front-flush diaphragm
Degree of protection accord‐
ing to IEC/EN 60529/UL50-E
Electromagnetic compatibili‐
ty
• Interference emission and
interference immunity
Process medium conditions
Process temperature 2)
• Measuring cell with sili‐
cone oil filling
• 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)
Observe the temperature limits in the process connection standards (e.g. DIN 32676 and DIN 11851) for the maximum
2)
medium temperature for flush-mounted process connections.
Operating conditions for gauge pressure and absolute pressure
(from the differential pressure series), differential pressure and
flow
Installation conditions
• Measuring cells for differ‐
ential pressure with MAWP
420 bar
Ambient conditions
• Ambient temperature
Note
Enclosure
Measuring cell with sili‐
cone oil filling
Measuring cell with inert
oil
Measuring cell with FDA-
compliant oil
Display
74
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 ... +150°C (-40 ... +302 °F)
-40 ... +200°C (-40 ... +392 °F) with
cooling extension
-20 ... +100 °C (-4 ... +212 °F)
-10 ... +150°C (14 ... 302 °F)
-10 ... +200°C (14 ... 392 °F) with
cooling extension
Dynamic stress according to AD 2000-S1 No. 1.4:
• For MAWP (PS) 420 bar: maximum 1000 load changes
• At 10% of MAWP (PS): any number of load changes
Observe the temperature class in hazardous areas.
-40 ... +100 °C (-40 ... +212 °F)
-40 ... +85 °C (-40 ... +185 °F)
-40 ... +85 °C (-40 ... +185 °F)
-10 ... +85 °C (14 ... 185 °F)
-20 ... +80 °C (-4 ... +185 °F)
IP66/Type 4X
IP68 (2 hours at 1.5 m)
IP66/Type 4X
IP66/Type 4X
IP65
Compact Operating Instructions, 09/2021, A5E38874562-AD
SITRANS P320/P420