Technical data
8
8.1 Input
8.1.1 Gauge pressure
Gauge pressure input
Measured variable Gauge pressure
Measuring span (continuous‐
ly adjustable) or measuring
range, max. operating pres‐
sure (in accordance with
2014/68/EU Pressure Equip‐
ment Directive) and max. test
pressure (in accordance with
DIN 16086) (for oxygen
measurement, max. 100 bar
and 60 °C ambient tempera‐
ture/process temperature)
Measuring span Maximum permissible
operating pressure MAWP
(PS)
Maximum test
pressure
8.3 … 250 mbar
0.83 ... 25 kPa
0.12 … 3.6 psi
4 bar
0.4 MPa
58 psi
6 bar
0.6 MPa
87 psi
0.01 … 1 bar
1 ... 100 kPa
0.15 … 14.5 psi
6 bar
0.6 MPa
87 psi
9 bar
0.9 MPa
130 psi
0.04 … 4 bar
4 ... 400 kPa
0.58 … 58 psi
20 bar
2 MPa
290 psi
30 bar
3 MPa
435 psi
0.16 … 16 bar
0.016 ... 1.6 MPa
2.3 … 232 psi
45 bar
4.5 MPa
652 psi
70 bar
7 MPa
1015 psi
0.63 … 63 bar
0.063 ... 6.3 MPa
9.1 … 914 psi
80 bar
8 MPa
1160 psi
120 bar
12 MPa
1740 psi
1.6 … 160 bar
0.16 ... 16 MPa
23 … 2321 psi
240 bar
24 MPa
3480 psi
360 bar
36 MPa
5221 psi
4 … 400 bar
0.4 ... 40 MPa
58 … 5802 psi
400 bar
40 MPa
5802 psi
600 bar
60 MPa
8702 psi
7 … 700 bar
0.7 ... 70 MPa
102 ... 10153 psi
800 bar
80 MPa
11603 psi
800 bar
80 MPa
11603 psi
Gauge pressure measuring limits
Lower measuring limit
1)
● Measuring cell with silicone oil filling
30 mbar a/3 kPa a/0.44 psi a
SITRANS P320/P420 with 4 to 20 mA/HART
Compact Operating Instructions, 09/2018, A5E38874562-AB 61