Measuring Accuracy Of Sitrans P410 - Siemens SITRANS P DS III Operating Instructions Manual

Level measuring accuracy
Measuring cell
1600 mbar/160 kPa/23.21 psi
Measuring cell
5 bar/500 kPa/72.52 psi
On the measuring span
•
Long-term stability at ±30 °C (±54 °F)
Step response time T without electrical
63
damping
Effect of mounting position
Effect of auxiliary power supply
Measured value resolution for PROFIBUS
PA or FOUNDATION Fieldbus
13.6

Measuring accuracy of SITRANS P410

Measuring accuracy (as per EN 60770-1) gauge pressure
Reference conditions
Measuring span ratio r (spread, Turn-
Down)
Conformity error at limit point setting,
including hysteresis and repeatability
Linear characteristic curve
•
1 bar/100 kPa/14.5 psi
4 bar400 kPa/58 psi
16 bar/1.6 MPa/232 psi
63 bar/6.3 MPa/914 psi
160 bar/16 MPa/2321 psi
Effect of ambient temperature
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
SITRANS P DS III/P410 with PROFIBUS PA
Operating Instructions, 02/2016, A5E00053276-08
≤ (0.1 • r) % per nominal pressure
≤ (0.1 • r) % per nominal pressure
in 5 years ≤ (0.25 • r) %
static pressure max. 70 bar/7 MPa/1015 psi
Approx. 0.2 s
depending on the fill fluid in the mounting flange
In percent per change in voltage
0.005 % per 1 V
3 • 10 of the nominal measuring range
-5
Rising characteristic curve
•
Start of scale value 0 bar/kPa/psi
•
Seal diaphragm stainless steel
•
Measuring cell with silicone oil filling
•
Room temperature 25 °C (77 °F)
•
r = max. measuring span/set measuring span and nominal measuring range
r ≤ 5
≤ 0.04%
In percent per 28 °C (50 °F)
≤ (0.05 • r + 0.1) %
≤ (0.025 • r + 0.125) %
13.6 Measuring accuracy of SITRANS P410
5 < r ≤ 100
≤ (0.004 • r + 0.045) %
Technical data
211