Proline Promass S 100
36
Hauser
Temperature
±0.005 · T °C (±0.005 · (T – 32) °F)
Influence of medium
pressure
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
DN
[% o.r./bar]
[% o.r./psi]
[mm]
[in]
8
³⁄₈
–0.002
–0.0001
15
½
–0.006
–0.0004
25
1
–0.005
–0.0003
40
1½
–0.005
–0.0003
50
2
–0.005
–0.0003
Design fundamentals
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
Calculation of the maximum measured error as a function of the flow rate
Flow rate
Maximum measured error in % o.r.
ZeroPoint
BaseAccu
⋅
100
³
A0021332
± BaseAccu
A0021339
ZeroPoint
BaseAccu
⋅
100
<
A0021333
ZeroPoint
MeasValue
⋅
100
±
A0021334
Calculation of the maximum repeatability as a function of the flow rate
Flow rate
Maximum repeatability in % o.r.
½
⋅
ZeroPoint
BaseRepeat
⋅
100
³
A0021335
A0021340
½
⋅
ZeroPoint
BaseRepeat
⋅
100
<
A0021336
ZeroPoint
MeasValue
⋅
100
½
⋅
±
A0021337
Example for max. measured error
E [%]
Q [%]
0
5
10
15
20
25
30
35
40
45
50
60
65
55
0
0.5
1.0
1.5
2.0
2.5
70
75
80
85
90
95
100
A0016709
E
Error: Maximum measured error as % o.r. (example)
Q
Flow rate as %
Summary of Contents for Proline Promass S 100
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