Long-term stability at ±30 °C (±54 °F) - differential pressure and flow
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
In 5 years ≤ (0.125 • r)%
In 10 years ≤ (0.15 • r)%
30 bar/3 MPa/435.11 psi In 5 years ≤ (0.25 • r)%
In 10 years ≤ (0.35 • r)%
Step response time T
63
(without electrical damping) - - differential pressure and flow (PN160)
20 mbar/2 kPa/0.29 psi Approx. 0.160 s
60 mbar/6 kPa/0.87 psi Approx. 0.150 s
250 mbar/25 kPa/3.63 ps
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
Approx. 0.135 s
Step response time T
63
(without electrical damping) - - differential pressure and flow (PN420)
250 mbar/25 kPa/3.63 psi Approx. 0.25 s
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
Approx. 0.2 s
Effect of mounting position - differential pressure and flow
Effect of mounting position In pressure per change of angle
≤ 0.7 mbar/0.07 kPa/0.028
inH
2
O per 10° incline
(zero-point correction is possible
with position error compensation)
Technical data
13.2 Measuring accuracy of SITRANS P320
SITRANS P320/P420 (mA/HART)
Operating Instructions, 06/2018, A5E44852162-AA 207
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