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Chapter 4 Preparation Before Operation
■
4.1 Flow before measurement
● The flowchart below shows procedures before measurement.
Calculation of sample constant (Le, Ae, Ve, We) (Sec.
Setting of necessary Hm, Bm, f (Sec.
Setting of No. of turns of sample (N
Calculation of gain and current necessary for power amplifier (Sec.
Y
V
2
Y
i
1
Y
Max. Output of
power amplifier is
exceeded?
Sample inductance L
N
L
20
Decision of Hm, Bm, f, N
Applying turns to sample (Sec.
■
4.3)
f: measurement frequency
, N
) (Sec. ■ 4.4)
1
2
■
m > 200 V?
N
m > 6 A ?
N
N
1
2
N
2
12
f
20
10
N
1
■
Refer to Sec.
4.4
Y
, N
1
2
■
4.4)
■
4.2)
Connecting this product to Meas.POD (Sec.
Connecting this product to power amplifier.
Setting of power amplifier gain (Sec.
Connecting Meas. POD to sample (Sec.
4.3)
Powering on this product and power
Setting of Configuration (Sec.
Selection of Meas. mode (Sec.
Input of sample constant (Sec.
Setting of Meas. condition (Sec.
Fig.4-1 Flow before measurement
17
B-H ANALYZER SY-8218 / SY-8219
■
amplifier (Sec.
4.7)
Warming up for 30min or more
■
Setting of Utilities (Sec.
5.1)
■
■
■
■
■
Measurement (Sec.
6.5)
■
4.5)
■
4.5)
■
)
4.6
5.4)
6.1)
6.3)
6.4)
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