Siemens SITRANS Series - 13.5 Operating conditions for gauge pressure and absolute pressure (from the differential pressure series), differential pressure and flow rate

Operating conditions for gauge pressure and absolute pressure (from
the differential pressure series), differential pressure and flow rate
Installation conditions
● Installation instruction
Any
Ambient conditions
● Ambient temperature
Note Observe the temperature class in
hazardous areas.
Enclosure
Measuring cell with sili‐
cone oil filling
-40 … +85 °C (-40 … +185 °F)
● Measuring cell
30 bar (435 psi),
PN420
● -20 … +85 °C (-4 … +185 °F)
● For flow: -20 … +85 °C (-4 …
+185 °F)
Measuring cell with inert
oil
-20 … +85 °C (-4 … +185 °F)
Measuring cell with FDA-
compliant oil
-10 … +85 °C (14 … 185 °F)
Display -20 … +80 °C (-4 … +185 °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 con‐
nector and/or lightning protection
IP66/Type 4X
Enclosure with mounted HAN con‐
nector
IP65
Electromagnetic compatibili‐
ty
Interference emission and
interference immunity
In accordance with EN 61326 and
NAMUR NE 21
Process medium conditions
● Process temperature
Measuring cell with sili‐
cone oil filling
-40 … +100 °C (-40 … +212 °F)
● Measuring cell
30 bar (435 psi),
PN420
-20 … +85 °C (-4 … +185 °F)
Measuring cell with inert
oil
-20 … +100 °C (-4 … +212 °F)
● Measuring cell
30 bar (435 psi),
PN420
-20 … +85 °C (-4 … +185 °F)
Technical data
13.5 Operating conditions
SITRANS P320/P420 (mA/HART)
222 Operating Instructions, 06/2018, A5E44852162-AA