Technical data
Proline Promass F 100 Modbus RS485
104
DN
[% o.r./bar]
[% o.r./psi]
[mm]
[in]
50
2
–0.008
–0.0006
80
3
–0.009
–0.0006
100
4
–0.007
–0.0005
150
6
–0.009
–0.0006
250
10
–0.009
–0.0006
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 maximum measured error
E [%]
0
10
20
30
40
50
60
0
0.5
1.0
1.5
2.0
2.5
70
80
90
100
Q [%]
A0028808
E
Maximum measured error in % o.r. (example with PremiumCal)
Q
Flow rate in % of maximum full scale value