Endress+Hauser Proline Promass H 300 PROFINET Operating Instructions Manual page 235

Proline Promass H 300 PROFINET
Influence of medium
pressure
Design fundamentals
Endress+Hauser
3
[kg/m ]
20
18
16
14
12
10
8
6
4
2
0
-50
-80 -40 0
1 Field density calibration, for example at +20 °C (+68 °F)
2 Special density calibration
Temperature
±0.005 · T °C (± 0.005 · (T – 32) °F)
The table below shows the effect on accuracy of mass flow due to a difference between
calibration pressure and process pressure.
o.r. = of reading
It is possible to compensate for the effect by:
• Reading in the current pressure measured value via the current input.
• Specifying a fixed value for the pressure in the device parameters.
Operating Instructions.
DN Promass H zirconium 702/R 60702
[mm] [in] [% o.r./bar]
8 ³⁄₈
15 ½
25 1
40 1½
50 2
o.r. = of reading, o.f.s. = of full scale value
BaseAccu = base accuracy in % o.r., BaseRepeat = base repeatability in % o.r.
MeasValue = measured value; ZeroPoint = zero point stability
1
0 50
40 80 120 160 200 240 280 320 360 400
[% o.r./psi]
–0.017 –0.0012
–0.021 –0.0014
–0.013 –0.0009
–0.018 –0.0012
–0.015 –0.0010
2
[°C]
100 150 200
[°F]
Promass H tantalum 2.5W
[% o.r./bar]
–0.007
–0.005
–0.015
–0.012
–0.011
Technical data
A0016615
[% o.r./psi]
–0.0005
–0.0003
–0.0010
–0.0008
–0.0008
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