Siemens SITRANS P Operating Instructions Manual page 215

Conformity error at limit point setting, including hysteresis and repeatability - differential pressure and flow
Effect of ambient temperature - differential pressure and flow
In percent per 28 °C (50 °F)
20 mbar/2 kPa/0.29 psi
60 mbar/6 kPa/0.87 psi
250 mbar/25 kPa/3.63 psi
600 mbar/60 kPa/8.70 psi
1600 mbar/160 kPa/23.21 psi
5 bar/500 kPa/72.52 psi
30 bar/3 MPa/435.11 psi
Effect of static pressure - differential pressure and flow
● On the lower range value
● On the measuring span
Long-term stability at ±30 °C (±54 °F) - differential pressure and flow
Static pressure max. 70 bar/7 MPa/1015 psi
20 mbar/2 kPa/0.29 psi
60 mbar/6 kPa/0.87 psi
SITRANS P320/P420 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E44852162-AC
Flow 25 ... 50%
250 mbar/25 kPa/3.63 psi
600 mbar/60 kPa/8.70 psi
1600 mbar/160 kPa/23.21 psi
5 bar/500 kPa/72.52 psi
30 bar/3 MPa/435.11 psi
20 mbar/2 kPa/0.29 psi
60 mbar/6 kPa/0.87 psi
250 mbar/25 kPa/3.63 psi
600 mbar/60 kPa/8.70 psi
1600 mbar/160 kPa/23.21 psi
30 bar/3 MPa/435.11 psi
5 bar/500 kPa/72.52 psi
20 mbar/2 kPa/0.29 psi
60 mbar/6 kPa/0.87 psi
250 mbar/25 kPa/3.63 psi
600 mbar/60 kPa/8.70 psi
1600 mbar/160 kPa/23.21 psi
5 bar/500 kPa/72.52 psi
30 bar/3 MPa/435.11 psi
13.2 Measuring accuracy of SITRANS P320
≤ 0.13%
≤ (0.15 • r + 0.1)%
≤ (0.075 • r + 0.1)%
≤ (0.025 • r + 0.125)%
≤ (0.3 • r) % per 70 bar (zero-point correction is
possible with position error compensation)
≤ (0.1 • r)% per 70 bar (zero-point correction is
possible with position error compensation)
≤ (0.15 • r)% per 70 bar (zero-point correction is
possible with position error compensation)
≤ 0.2% per 70 bar
≤ 0.1% per 70 bar
Per year ≤ (0.2 • r)%
In 5 years ≤ (0.25 • r)%
Technical data
≤ (0.008 • r + 0.09)%
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