Gauge Pressure From The Differential Pressure Series - Siemens SITRANS P320 Compact Operating Instructions

Gauge pressure measuring limits with front-flush dia‐
phragm
• Measuring cell with FDA-compliant oil
Upper measuring limit
8.1.3

Gauge pressure from the differential pressure series

Gauge pressure input from the differential pressure series
Measurand
Measuring span (continuous‐
ly adjustable) and maximum
operating pressure (accord‐
ing to 2014/68/EU Pressure
Equipment Directive)
For devices with functional safety, the minimum permissible measuring span is limited by the
1)
turndown. Therefore, ensure that the configured turndown is no higher than 5:1.
Gauge pressure measuring limits from differential pres‐
sure series
Lower measuring limit
• Measuring cell with silicone oil filling
SITRANS P320/P420
Compact Operating Instructions, 09/2021, A5E38874562-AD
Gauge pressure and differential pressure
Measuring span
1)
1 ... 20 mbar
0.1 ... 2 kPa
0.4015 ... 8.031 inH O
2
1 ... 60 mbar
0.1 ... 6 kPa
0.4015 ... 24.09 inH O
2
2.5 ... 250 mbar
0.2 ... 25 kPa
1.004 ... 100.4 inH O
2
6 ... 600 mbar
0.6 ... 60 kPa
2.409 ... 240.9 inH O
2
16 ... 1600 mbar
1.6 ... 160 kPa
6.424 ... 642.4 inH O
2
50 ... 5000 mbar
5 ... 500 kPa
20.08 ... 2008 inH O
2
0.3 ... 30 bar
0.03 ... 3 MPa
4.35 ... 435 psi
8 ... 160 bar
0.8 ... 16 MPa
116 ... 2320 psi
100 mbar a/10 kPa a/1.45 psi a
100% of max. range
Maximum permissible
operating pressure MAWP (PS)
160 bar
16 MPa
2320 psi
160 bar
16 MPa
2320 psi
160 bar
16 MPa
2320 psi
160 bar
16 MPa
2320 psi
160 bar
16 MPa
2320 psi
160 bar
16 MPa
2320 psi
160 bar
16 MPa
2320 psi
160 bar
16 MPa
2320 psi
30 mbar a/3 kPa a/0.44 psi a
Technical data
8.1 Input
Max. permissible
test pressure
240 bar
24 MPa
3480 psi
240 bar
24 MPa
3480 psi
240 bar
24 MPa
3480 psi
240 bar
24 MPa
3480 psi
240 bar
24 MPa
3480 psi
240 bar
24 MPa
3480 psi
240 bar
24 MPa
3480 psi
240 bar
24 MPa
3480 psi
65