Table of Contents
Advertisement
Absolute pressure measuring limits from
gauge pressure series
Upper measuring limit
Start of scale value
7.1.5
Absolute pressure with front-flush diaphragm
Absolute pressure with front-flush diaphragm
Measured variable
Measuring span (continuous‐
ly adjustable) or measuring
range, max. operating pres‐
sure and max. test pressure
The MAWP value of the pressure transmitter can be lower than the PN value of the mounting
1)
flange and vice versa. To determine the maximum permissible operating pressure and the
maximum permissible test pressure, use the lowest value as reference.
Absolute pressure measuring limits with front-flush diaphragm
Lower measuring limit
● Measuring cell with silicone oil filling
Upper measuring limit
Start of scale value
SITRANS P320/P420 (mA/HART)
Compact Operating Instructions, 06/2018, A5E38874562-AA
100% of max. range (for oxygen measurement: max. 100 bar/10 MPa/
1450 psi and 60 °C ambient temperature/medium temperature)
Between the measuring limits (continuously adjustable)
Absolute pressure
Measuring span
43 ... 1300 mbar a
4.3 ... 130 kPa a
17 ... 525 inH
O a
2
166 ... 5000 mbar a
16.6 ... 500 kPa a
2.41 ... 72.5 psi a
1 ... 30 bar a
0.1 ... 3 MPa a
14.5 ... 435 psi a
Depending on the process connection, the measuring span may differ from these values
Maximum permissible
operating pressure MAWP
(PS)
Refer to the information on the nameplate of the pressure
transmitter and the data on the mounting flange
0 mbar a/kPa a/psi a
100% of max. range
Between the measuring limits (continuously adjustable)
Technical data
7.1 Input
Maximum test
pressure
1)
59
Advertisement
Table of Contents
