Siemens SITRANS P - Page 72

Operating conditions for gauge pressure and absolute pressure
with front-󹪞ush diaphragm
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
2)
• Measuring cell with sili‐
cone oil 󹪝lling
-40 … +150°C (-40 … +302 °F)
-40 … +200°C (-40 … +392 °F) with
cooling extension
• Measuring cell with inert
oil
-20 … +100 °C (-4 … +212 °F)
• Measuring cell with FDA-
compliant oil
-10 … +150°C (14 … 302 °F)
-10 … +200°C (14 … 392 °F) with
cooling extension
1)
Only approved for non-Ex devices and devices with intrinsic safety "Ex i" according to ATEX and IECEx.
2)
Observe the temperature limits in the process connection standards (e.g. DIN 32676 and DIN 11851) for the maximum
medium temperature for 󹪞ush-mounted process connections.
Operating conditions for gauge pressure and absolute pressure
(from the di󹪜erential pressure series), di󹪜erential pressure and
󹪞ow
Installation conditions
• Measuring cells for di󹪜er‐
ential pressure with MAWP
420 bar
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
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)
Technical data
8.2 Operating conditions
SITRANS P320/P420
72 Compact Operating Instructions, 01/2021, A5E38874562-AC