Siemens SITRANS P - Page 230

Operating conditions for gauge pressure and absolute pressure with
front-flush diaphragm
Enclosure -40 … +100 °C (-40 … +212 °F)
Measuring cell with sili‐
cone oil filling
-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 … +176 °F)
● 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
4K4H
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 and/or lightning protection
1)
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
NAMUR NE 21
Process medium conditions
Process temperature
2)
● Measuring cell with
silicone oil filling
-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 for non-Ex devices, not approved for use in Ex areas (ATEX, IECEx, FM, CSA)
2)
Observe the temperature limits in the process connection standards (e.g. DIN 32676 and DIN 11851) for the maximum
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
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
Technical data
13.5 Operating conditions
SITRANS P320/P420 with 4 to 20 mA/HART
230 Operating Instructions, 11/2019, A5E44852162-AC