Siemens SITRANS P Operating Instructions Manual page 209

Conformity error at limit point setting, including hysteresis and repeatability - gauge pressure
● Linear characteristic
curve
Effect of ambient temperature - gauge pressure
In percent per 28 °C (50 °F)
250 mbar/25 kPa/3.6 psi
1 bar/100 kPa/14.5 psi
4 bar/400 kPa/58 psi
16 bar/1.6 MPa/232 psi
63 bar/6.3 MPa/914 psi
160 bar/16 MPa/2321 psi
400 bar/40 MPa/5802 psi
700 bar/70 MPa/10152 psi
Long-term stability at ±30 °C (±54 °F) - gauge pressure
250 mbar/25 kPa/3.6 psi
1 bar/100 kPa/14.5 psi
4 bar/400 kPa/58 psi
16 bar/1.6 MPa/232 psi
63 bar/6.3 MPa/914 psi
160 bar/16 MPa/2321 psi
400 bar/40 MPa/5802 psi
700 bar/70 MPa/10152 psi
Step response time T (without electrical damping) - gauge pressure
63
Approx. 0.105 s
Effect of mounting position - gauge pressure
≤ 0.05 mbar/0.005 kPa/0.000725 psi per 10° incline
(correct the zero point with position error compensation)
SITRANS P320/P420 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E44852162-AC
1 bar/100 kPa/14.5 psi
4 bar/400 kPa/58 psi
16 bar/1.6 MPa/232 psi
63 bar/6.3 MPa/914 psi
160 bar/16 MPa/2321 psi
400 bar/40 MPa/5802 psi
700 bar/70 MPa/10152 psi
13.2 Measuring accuracy of SITRANS P320
≤ 0.065%
r ≤ 3
≤ 0.075%
≤ (0.16 • r + 0.1)%
≤ (0.05 • r + 0.1)%
≤ (0.025 • r + 0.125)%
≤ (0.08 • r + 0.16)%
Per year ≤ (0.25 • r)%
In 5 years ≤ (0.25 • r)%
In 10 years ≤ (0.35 • r)%
In 5 years ≤ (0.125 • r)%
In 10 years ≤ (0.15 • r)%
In 5 years ≤ (0.25 • r)%
In 10 years ≤ (0.35 • r)%
Technical data
≤ (0.004 • r + 0.045)%
3 < r ≤ 100
0.005 • r + 0.05
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