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Toshiba LF414 Instruction Manual page 47

Electromagnetic flowmeter detector
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Flow and calibration velocity range:
It calibration by standard Range shown in the table below when Range is not
It calibration when there is specification by flowing quantity Range in which the customer is
specified. Is this specification Range flowing quantity of Figure 9.1. Please confirm becoming
in the upper bound value from the flow velocity chart.
To select the meter size: See Figure 9.2 and find meter sizes within the velocity of 0.1 to 10 m/s for a specified
10
〔m/s〕
1
0.3
0.1
-2
10
SI Unit
Flow volume
Meter size
15mm
25mm
40mm
50mm
80mm
100mm
150mm
200mm
Meter size
(mm)
Volume (m
15
25
40
50
80
100
100
150
200
200
300
full-scale (measuring range high limit) flow. Select one that has its full-scale velocity
between 1 and 3 m/s.
Make sure the full-scale flow rate used for the final planning stage stays
within 10 m/s in terms of flow velocity.
-1
10
1
流量〔m
Flow volume (m
Figure 9.2 Flow velocity vs. flow volume
0.1m/s
3
0.0631m
/h
3
0.1767m
/h
3
0.4523m
/h
3
0.7067m
/h
3
1.809m
/h
3
2.827m
/h
3
6.361m
/h
3
11.31m
/h
- 46 -
Standard Flow rate
3
/h)
Velocity (m/s)
2
3.144
6
3.395
15
3.316
25
3.537
60
3.316
3.537
3.144
2.653
15 25 40 50 80
1
2
10
10
/h〕
3
3
/h)
Flow velocity range
0.3m/s
1m/s
3
0.1908m
/h
0.6361m
3
0.5301m
/h
1.767m
3
1.357m
/h
4.523m
3
2.120m
/h
7.067m
3
5.428m
/h
18.09m
3
8.482m
/h
28.27m
3
19.08m
/h
63.61m
3
33.93m
/h
113.1m
6F8A0870
specified.
100
150
200
mm
3
4
10
10
10m/s
3
3
/h
6.361m
/h
3
3
/h
17.67m
/h
3
3
/h
45.23m
/h
3
3
/h
70.67m
/h
3
3
/h
180.9m
/h
3
3
/h
282.7m
/h
3
3
/h
636.1m
/h
3
3
/h
1131m
/h

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