Technical Data; Measuring Accuracy; Reference Conditionsper En 29104; Maximum Measurement Error - ABB FSM4000 Operating Instruction

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12 Technical data

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Wechsel ein-auf zweispaltig
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12.1 Measuring accuracy

12.1.1 Reference conditionsper EN 29104

Fluid Temperatures
Ambient temp.
Supply power
Installation Conditions
Warm Up Phase

12.1.2 Maximum Measurement Error

Pulse output
−
DN 1 ... DN 2 (1/25 ... 1/12"):
± 1% of measured value, ± 0.001 Q
−
DN 3 ... DN 1000 (1/10 ... 40"):
Q > 0.05 Q ± 0.5% of measured value
maxDN
−
Q < 0.05 Q ± 0.00025 Q
maxDN
Q = maximum flowrate for the flowmeter size 10 m/s
maxDN
Analog Output Effects
Same as pulse output plus ±0.1% of rate ±0.01 mA
6,0 %
5,0 %
4,0 %
Y 3,0 %
2,0 %
1,0 %
0,0 %
0 2 4
0 6,5 13,1
Fig. 59
Y Accuracy ± of rate
X Flow velocity
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D184B140U02
20 °C (68 °F) ± 2 K
20 °C (68 °F) ± 2 K
Line voltage per type plate U
N
−
upstream > 10 x DN
straight section
−
downstream > 5 x DN
straight section
DN = Flowmeter sensor size
30 min
maxDN
maxDN
DN 1...2
(1/25...1/12")
DN 3...1000
(1/10...40")
6 8 10 m/s
19,7 26,2 32,8 ft/s
X
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12.2 Flowmeter sensor

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12.2.1 Flowmeter sensor SE41F

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Temperature graph
± 1%
Fig. 60: Fluid temperature as function of ambient temperature
1 Ambient temperature °C
2 Fluid temperature °C
3 Standard flange (steel): Hard/soft rubber max. 90/60 °C
(194 ... 140 °F)
4 with stainless steel flange
5 Standard flange (steel): PTFE/PFA/ETFE max.130 °C (266°F)
6 High temperature: Thick PTFE / PFA max. 180 °C (356 °F)
Max. allowable cleaning temperature PTFE-, PFA-design
CIP-Cleaning
Steam cleaning PTFE, PFA 150 °C (302 °F)
Liquid cleaning
If the ambient temperature is > 25 °C, then the difference must be
subtracted from the max. cleaning temperature.
- Δ °C. Δ °C = (T
T
max
Weight
Refer to dimensional drawings
G00456
Min. allowable pressure as factor of fluid temperature
Liner
Hard rubber
Soft rubber
PTFE
Thick PTFE
High
temperature
Design
PFA
ETFE
FSM4000
Technical data
1
3
4
Liner T
max
Flowmeter
sensor
PTFE, PFA 140 °C (284 °F)
- 25 °C)
amb.
Nominal size P at
Operation
DN
mbar abs
15 ... 1000 0
(1/2 ... 40")
50 ... 1000 0
(2 ... 40")
10 ... 600 270
(3/8 ... 24") 400
500
25 ... 80 0
(1 ... 3")
100 ... 250 67
(4 ... 10")
300 (12") 27
3 ... 200 0
(1/10 ... 8") 0
25 ... 1000 100
(1 ... 40")
2
5
6
G00214
t T
max amb.
Min.
60 25 °C (77 °F)
60 25 °C (77 °F)
T
Operating
< 90 °C (194 °F)
< 60 °C (140 °F)
< 20 °C (68 °F)
< 100 °C (212 °F)
< 130°C (266 °F)
< 180 °C (356 °F)
< 180 °C (356 °F)
< 180 °C (356 °F)
< 130°C (266 °F)
< 180 °C (356 °F)
< 130 °C (266 °F)
111