Siemens SITRANS P DS III Operating Instructions Manual page 213

Differential pressure and flow rate measuring accuracy
250 mbar/25 kPa/3.63 psi
•
600 mbar/60 kPa/8.70 psi
1600 mbar/160 kPa/23.21 ps
i
5 bar/500 kPa/72.52 psi
30 bar/3 MPa/435.11 psi
Effect of ambient temperature
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
At the start of scale value
•
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
On the measuring span
•
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
Long-term stability at ±30 °C
(±54 °F)
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
•
Step response time T without
63
electrical damping
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 mounting position
SITRANS P DS III/P410 with PROFIBUS PA
Operating Instructions, 02/2016, A5E00053276-08
≤ 0.08%
In percent per 28 °C (50 °F)
≤ (0.025 • r + 0.125) %
≤ (0.1 • r) % per 70 bar (zero-point correction is possible with position error compen-
sation)
≤ (0.2 • r) % per 70 bar (zero-point correction is possible with position error compen-
sation)
≤ 0.14 % per 70 bar
Static pressure max. 70 bar/7 MPa/1015 psi
In 5 years ≤ (0.125 • r) %
In 5 years ≤ (0.25 • r) %
Approx. 0.2 s
In pressure per change of angle
≤ 0.7 mbar/0.07 kPa/0.001015 psi per 10° incline
(zero-point correction is possible with position error compensation)
13.6 Measuring accuracy of SITRANS P410
≤ (0.008 • r + 0.09) %
Technical data
213