Siemens SITRANS P Operating Instructions Manual page 224

Technical data
13.3 Measuring accuracy of SITRANS P420
Conformity error at limit point setting, including hysteresis and repeatability - differential pressure and flow
Linear characteristic curve
Linear characteristic curve
Root extraction characteris‐
tic
Root extraction characteris‐
tic
Root extraction characteris‐
tic
Root extraction characteris‐
tic
Root extraction characteris‐
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Root extraction characteris‐
tic
224
60 mbar/6 kPa/0.87 psi
250 mbar/25 kPa/3.63 psi (PN160)
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
250 mbar/25 kPa/3.63 psi (PN420)
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
Flow > 50%
● 20 mbar/2 kPa/0.29 psi
Flow > 50%
● 60 mbar/6 kPa/0.87 psi
Flow > 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
Flow 25 ... 50%
● 20 mbar/2 kPa/0.29 psi
Flow 25 ... 50%
● 60 mbar/6 kPa/0.87 psi
r ≤ 5
≤ 0.075%
r ≤ 5
≤ 0.04%
≤ 0.065%
r ≤ 5
≤ 0.075%
r ≤ 5
≤ 0.075%
r ≤ 5
≤ 0.04%
r ≤ 5
≤ 0.15%
r ≤ 5
≤ 0.15%
r ≤ 5
SITRANS P320/P420 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E44852162-AC
5 < r ≤ 60
≤ (0.005 • r + 0.05)%
5 < r ≤ 100
≤ (0.004 • r + 0.045)%
5 < r ≤ 20
≤ (0.005 • r + 0.05)%
5 < r ≤ 60
≤ (0.005 • r + 0.05)%
5 < r ≤ 100
≤ (0.004 • r + 0.045)%
5 < r ≤ 20
≤ (0.01 • r + 0.1)%
5 < r ≤ 60
≤ (0.01 • r + 0.1)%
5 < r ≤ 100