Siemens SITRANS P Instruções de Operação Página 176

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Absolute pressure input (from the differential pressure series)
HART PROFIBUS PA or Foundation Fieldbus
Measured variable Absolute pressure
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
operating pressure
8.3 … 250 mbar a
(3 ... 100 inH
2
O)
32 bar a (464 psi a) 250 mbar a (100
inH
2
O)
32 bar a (464 psi a)
43 … 1300 mbar a
(17 ... 525 inH
2
O)
32 bar a (464 psi a) 1300 mbar a (525
inH
2
O)
32 bar a (464 psi a)
160 … 5000 bar a
(2.32 … 72.5 psi a)
32 bar a (464 psi a) 5 bar a (72.5 psi a) 32 bar a (464 psi a)
1 … 30 bar a
(14.5 … 435 psi a)
160 bar a (2320 psi a) 30 bar a (435 psi a) 160 bar a (2320 psi a)
5.3 … 100 bar a
(76.9 … 1450 psi a)
160 bar a (2320 psi a) 100 bar a
(1450 psi a)
160 bar a (2320 psi a)
Lower measuring limit
Measuring cell with
silicon oil filling
0 mbar a (0 psi a)
Measuring cell with
inert liquid
for process
temperature -20°C <
ϑ ≤ 60°C (-4°F <
ϑ
≤ +140°F)
30 mbar a (0.44 psi a)
for process
temperature
60°C < ϑ
≤ 100°C (max. 85°C
for measuring cell
30 bar) (140°F < ϑ
≤ 212°F (max. 185°F
for measuring cell
435 psi))
30 mbar a + 20 mbar a • (ϑ - 60 °C)/°C
(0.44 psi a + 0.29 psi a • (ϑ - 108 °F)/°F)
Upper measuring limit 100% of max. span (max. 120 bar g
(1740 psi g) for oxygen measurement)
100% of max. measuring range (max. 120 bar g
(1740 psi g) for oxygen measurement)
Start of scale value between the measuring limits (continuously adjustable)
Technical data
11.2 Input point
SITRANS P, DS III series with HART
174 Operating Instructions, 09/2012, A5E00047092-08
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