Operating Conditions - Siemens SITRANS DS III Series Compact Operating Instructions

Differential pressure and flow rate input
Level input
Measured variable
Span (continuously
adjustable) or measuring
range and max. operating
pressure (in accordance
with 97/23/EC Pressure
Equipment Directive)
Output
Output signal
7.2

Operating conditions

Rated conditions for gauge pressure and absolute pressure (from the gauge pressure series)
Installation conditions
Ambient conditions
● Ambient temperature
Note
Measuring cell with silicon oil
filling
Measuring cell with inert liquid
Display
Storage temperature
● Climate class
Condensation
● Degree of protection in
accordance with EN 60529
SITRANS P, DS III series (7MF4.33.. 7MF4.34.. 7MF4.35..)
A5E03434656-02, 12/2012
HART
6 ... 600 mbar
(2.409 ... 240.9 inH
2
O)
16 ... 1600 mbar
(6.424 ...
642.4 inH O)
2
50 ... 5000 mbar
(20.08 ...
2008 inH O)
2
0.3 ... 30 bar
(4.35 ... 435 psi)
HART
Level
Span Maximum operating
pressure MAWP (PS)
25 ... 250 mbar See mounting flange
(10 ... 100 inH O)
2
25 ... 600 mbar
(10 ... 240 inH O)
2
53 ... 1600 mbar
(021 ... 640 inH O)
2
160 ... 5000 mbar
(2.32 ... 72.5 psi)
HART
4 ... 20 mA
Observe the temperature class in hazardous areas.
-40 ... +85 °C (-40 ... +185 °F)
-20 ... +85 °C (-4 ... +185 °F)
-30 ... +85 °C (-22 ... +185 °F)
-50 ... +85 °C (-58 ... +185 °F)
Permitted
IP65, IP68
PROFIBUS PA or Foundation Fieldbus
600 mbar
(240.9 inH O)
2
1600 mbar
(642.4 inH O)
2
5 bar
(2008 inH O)
2
30 bar
(435 psi)
PROFIBUS PA or Foundation Fieldbus
Measuring range Maximum operating
pressure
250 mbar See mounting flange
(100 inH O)
2
600 mbar
(240 inH O)
2
1600 mbar
(640 inH O)
2
5 bar
(72.5 psi)
PROFIBUS PA or Foundation Fieldbus
Digital PROFIBUS PA or
Foundation Fieldbus signal
39