KROHNE TIDALFLUX IFM 4110 PF Installation And Operating Instructions Manual page 73

Electromagnetic flowmeter in partially filled pipes for water and waste water
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Flow table
v = flow velocity in m/s
Meter size
Full-scale range in m
DN
v=0.3 m/s
(minimum)
mm
inch
200
8
33.93
250
10
53.02
300
12
76.35
400
16
135.8
500
20
212.1
600
24
305.4
10.3.2 Error limits under reference conditions
Fully filled
Partly filled
3
/hr
v=1 m/s
v=12 m/s
(maximum)
113.1
1357
176.7
2120
154.5
3053
452.4
5428
706.9
8482
1018
12215
≤ 1% of measuring value (v ≥ 1 m/s)
≤ 0.5% of measuring value + 5 mm/s (v < 1 m/s)
≤ 1% of full scale value (full scale value ≥ 1 m/s)
v = flow velocity in ft/s
Meter size
Full-scale range in US Gal/min
DN
v=1 ft/s
(minimum)
mm
inch
200
8
250
10
300
12
400
16
500
20
600
24
1345
73
v=40 ft/s
(maximum)
149.43
5975
233.4
9334
336.2
13442
597.9
23899
933.9
37345
53781
7.30830.32.00

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