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Technical data
7.4 Operating conditions
Operating conditions for gauge pressure and absolute pressure (from
the differential pressure series), differential pressure and flow rate
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),
PN420
Measuring cell with inert
oil
● Measuring cell
30 bar (435 psi),
PN420
Measuring cell with FDA-
compliant oil
In conjunction with dust
explosion protection
Operating conditions for level
Installation conditions
● Installation instruction
Ambient conditions
● Ambient temperature
Note
Enclosure
Measuring cell with sili‐
cone oil filling
Display
● Storage temperature
Climate class in accordance
with IEC 60721-3-4
Degree of protection accord‐
ing to IEC/EN 60529/UL50-E
86
Enclosure with mounted HAN con‐
nector
In accordance with EN 61326 and
NAMUR NE 21
-40 ... +100 °C (-40 ... +212 °F)
-20 ... +85 °C (-4 ... +185 °F)
-20 ... +100 °C (-4 ... +212 °F)
-20 ... +85 °C (-4 ... +185 °F)
-10 ... +100°C (14 ...+212°F)
-40 ... +85 °C (-4 ... +185 °F)
Specified by the flange
Observe the allocation of the max.
permissible operating temperature to
the max. permissible operating pres‐
sure of the relevant flange connec‐
tion.
-40 ... +85 °C (-40 ... +185 °F)
-20 ... +80 °C (-4 ... +185 °F)
-50 ... +85 °C (-58 ... +185 °F)
4K4H
Enclosure with appropriate cable
gland
Enclosure with mounted M12 con‐
nector and/or lightning protection
IP65
IP66/Type 4X
IP68 (2 hours at 1.5 m)
IP66/Type 4X
SITRANS P320/P420 (mA/HART)
Compact Operating Instructions, 06/2018, A5E38874562-AA
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