Level - Siemens SITRANS 7MF03.0 Compact Operating Instructions

Technical data
7.1 Input
Differential pressure and flow measuring limits
Lower measuring limit
-100% of maximum measuring range or 30 mbar a /3 kPa a /0.44 psi a
● Measuring cell
with silicone oil
filling
● Measuring cell with inert oil
For process temperature -20 °C
< ϑ ≤ 60 °C (-4 °F < ϑ ≤ +140 °F)
For process temperature 60 °C
< ϑ ≤ 100 °C (max. 85 °C for
measuring cell 30 bar with
PN420) (140 °F < ϑ ≤ 212 °F
(max. 185 °F for measuring cell
435 psi))
For process temperature -10 °C
● Measuring cell
< ϑ ≤ 100 °C (-14 °F < ϑ
with FDA-
≤ +212 °F)
compliant oil
Upper measuring 100% of max. range (for oxygen measurement: max. 100 bar/10 MPa/1450 psi and 60 °C ambient
limit temperature/medium temperature)
Start of scale value Between the measuring limits (continuously adjustable)
7.1.8

Level

Level input
Measured variable
Measuring span (continuous‐
ly adjustable) and maximum
operating pressure (accord‐
ing to 2014/68/EU Pressure
Equipment Directive)
62
-100% of maximum measuring range or 30 mbar a /3 kPa a /0.44 psi a
-100% of maximum measuring range or 30 mbar a /3 kPa a /0.44 psi a
30 mbar a + 20 mbar a • (ϑ - 60 °C)/°C
3 kPa a + 2 kPa a • (ϑ - 60 °C)/°C
0.44 psi a + 0.29 psi a • (ϑ - 140 °F)/°F
-100% of maximum measuring range or 100 mbar a /10 kPa a /
14.5 psi a.
Level
Measuring span
25 ... 250 mbar
2.5 ... 25 kPa
10 ... 100 inH O
2
25 ... 600 mbar
2.5 ... 60 kPa
10 ... 240 inH O
2
53 ... 1600 mbar
5.3 ... 160 kPa
21 ... 640 inH O
2
166 ... 5000 mbar
16.6 ... 500 kPa
2.41 ... 72.5 psi
Maximum permissible
operating pressure
MAWP (PS)
See mounting flange
Compact Operating Instructions, 06/2018, A5E38874562-AA
Max. permissible
test pressure
SITRANS P320/P420 (mA/HART)