
Differential pressure and flow rate input
HART PROFIBUS PA or Foundation Fieldbus
Measured variable Differential pressure and flow rate
Measuring span
(continuously adjustable)
or measuring range and
max permissible
operating pressure (as
per 97/23/EC pressure
device guideline)
Span Maximum operating
pressure MAWP (PS)
Measuring range Maximum permissible
operating pressure
1 … 20 mbar (0.4015
… 8.031 inH
2
O)
32 bar (464 psi) 20 mbar
(8.031 inH
2
O)
32 bar a (464 psi)
1 … 60 mbar (0.4015
… 24.09 inH
2
O)
160 bar (2320 psi) 60 mbar
(24.09 inH
2
O)
160 bar (2320 psi)
2.5 … 250 mbar
(1.004 …
100.4 inH
2
O)
250 mbar
(100.4 inH
2
O)
6 … 600 mbar
(2.409
… 240.9 inH
2
O
)
600 mbar
(240.9 inH
2
O)
16 … 1600 mbar
(6.424 …
642.4 inH
2
O)
1600 mbar
(642.4 inH
2
O)
50 … 5000 mbar
(20.08 …
2008 inH
2
O)
5 bar
(2008 inH
2
O)
0.3 … 30 bar (4.35 …
435 psi)
30 bar
(435 psi)
2.5 … 250 mbar
(1.004 …
100.4 inH
2
O)
420 bar (6091 psi) 250 mbar
(100.4 inH
2
O)
420 bar (6091 psi)
6 … 600 mbar
(2.409
… 240.9 inH
2
O
)
600 mbar
(240.9 inH
2
O)
16 … 1600 mbar
(6.424 …
642.4 inH
2
O)
1600 mbar
(642.4 inH
2
O)
50 … 5000 mbar
(20.08 …
2008 inH
2
O)
5 bar
(2008 inH
2
O)
0.3 … 30 bar (4.35 …
435 psi)
30 bar
(435 psi)
Lower measuring limit
● Measuring cell with
silicon oil filling
-100% of max. measuring range
(-33 % for 30 bar (435 psi) measuring cell) or 30 mbar a (0.44 psi a)
● Measuring cell with
inert liquid
Technical data
11.2 Input point
SITRANS P, DS III series with HART
Operating Instructions, 09/2012, A5E00047092-08 175
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