Conformity error at limit point setting, including hysteresis and repeatability - gauge pressure
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/12321 psi
≤ 0.065% ≤ (0.004 • r + 0.045)%
● Linear characteristic
curve
r ≤ 3 3 < r ≤ 100
400 bar/40 MPa/5802 psi
700 bar/70 MPa/10152 psi
≤ 0.075% 0.005 • r + 0.05
Effect of ambient temperature - gauge pressure
In percent per 28 °C (50 °F)
250 mbar/25 kPa/3.6 psi ≤ (0.16 • r + 0.1)%
1 bar/100 kPa/14.5 psi ≤ (0.05 • r + 0.1)%
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
≤ (0.025 • r + 0.125)%
700 bar/70 MPa/10152 psi ≤ (0.08 • r + 0.16)%
Long-term stability at ±30 °C (±54 °F) - gauge pressure
250 mbar/25 kPa/3.6 psi Per year ≤ (0.25 • r)%
1 bar/100 kPa/14.5 psi In 5 years ≤ (0.25 • r)%
In 10 years ≤ (0.35 • r)%
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
In 5 years ≤ (0.125 • r)%
In 10 years ≤ (0.15 • r)%
700 bar/70 MPa/10152 psi In 5 years ≤ (0.25 • r)%
In 10 years ≤ (0.35 • r)%
Step response time T
63
(without electrical damping) - gauge pressure
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)
Technical data
8.2 Measuring accuracy of SITRANS P320
SITRANS P320/P420 with 4 to 20 mA/HART
70 Compact Operating Instructions, 09/2018, A5E38874562-AB
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