Siemens SITRANS P Operating Instructions Manual page 231

Operating conditions for gauge pressure and absolute pressure (from
the differential pressure series), differential pressure and flow
Note
Enclosure
Measuring cell with sili‐
cone oil filling
● Measuring cell
30 bar (435 psi),
PN 420
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
Measuring cell with sili‐
cone oil filling
● Measuring cell
30 bar (435 psi),
PN 420
Measuring cell with inert
oil
● Measuring cell
30 bar (435 psi),
PN 420
Measuring cell with FDA-
compliant oil
Only for non-Ex devices, not approved for use in Ex areas (ATEX, IECEx, FM, CSA)
1)
SITRANS P320/P420 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E44852162-AC
Observe the temperature class in hazardous areas.
-40 ... +100 °C (-40 ... +212 °F)
-40 ... +85 °C (-40 ... +185 °F)
● -20 ... +85 °C (-4 ... +185 °F)
● For flow: -20 ... +85 °C (-4 ...
+185 °F)
-40 ... +85 °C (-40 ... +185 °F)
-10 ... +85 °C (14 ... 185 °F)
-20 ... +80 °C (-4 ... +185 °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 ... +100 °C (-40 ... +212 °F)
-20 ... +100°C (-4 ... +212 °F)
-20 ... +100 °C (-4 ... +212 °F)
-20 ... +100 °C (-4 ... +212 °F)
-10 ... +100°C (14 ...+212°F)
IP66/Type 4X
IP68 (2 hours at 1.5 m)
IP66/Type 4X
1)
IP65
Technical data
13.5 Operating conditions
231