Siemens SITRANS P Operating Instructions Manual page 230

Technical data
13.5 Operating conditions
Operating conditions for gauge pressure and absolute pressure with
front-flush diaphragm
Enclosure
Measuring cell with sili‐
cone oil filling
Measuring cell with inert
oil
Measuring cell with FDA-
compliant oil
Display
● 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
2)
● Measuring cell with
silicone oil filling
● Measuring cell with inert oil -20 ... +100 °C (-4 ... +212 °F)
● Measuring cell with FDA-
compliant oil
Only for non-Ex devices, not approved for use in Ex areas (ATEX, IECEx, FM, CSA)
1)
Observe the temperature limits in the process connection standards (e.g. DIN 32676 and DIN 11851) for the maximum
2)
process 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
differential pressure with
PN 420
Ambient conditions
● Ambient temperature
230
-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 ... +176 °F)
-50 ... +85 °C (-58 ... +185 °F)
(with FDA-compliant oil: -20 ... + 85
°C (-4 ... +185 °F))
4K4H
Enclosure with appropriate cable
gland
Enclosure with mounted M12 device
plug and/or lightning protection
Enclosure with mounted HAN device
plug
1)
In accordance with EN 61326 and
NAMUR NE 21
-40 ... +150°C (-40 ... +302 °F)
-40 ... +200°C (-40 ... +392 °F) with
cooling extension
-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
IP66/Type 4X
IP68 (2 hours at 1.5 m)
IP66/Type 4X
1)
IP65
SITRANS P320/P420 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E44852162-AC