Jinko JK2830, Руководство по эксплуатации

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JK2830 Operation Manual Chapter 5 Execute LCR operation and some examples
modification coefficient A
r
(refer to figure B), the current basic
measurement accuracy A is obtained by multiplying A got in step
1 with A
r
.
Figure B is the basic accuracy modification curve, where V
s
is the test signal
voltage.
[Vrms]
Ar
150m 1.2
100
50
20
10
5
2
1
3 2 1 500m 200m 100m
5m
50m 20m 10m
Drawn By : \th2816A\th2816.ddb
产品设计图
\
赵浩华
E:\ File:
Sheet of 1-Nov-2001 Date:
B
Size Revision Num ber
Title
A
B
C
D
1 2 3 4 5 6
D
C
B
A
6 5 4 3 2 1
Table A Impedance rate factors: K
a
, K
b
Speed Frequency K
a
K
b
Medium
Slow
f
m
 100Hz
− 
+ +
Z V f
m s m
3
(
1 10
)(1
200
)(1
100
)
−  + +
Z
V f
m
s m
9
(1 10 )(1
70
)(1
100
)
100Hz  fm
≤100kHz
−

+
Z V
m s
3
(
1 10
)(1
200
)
−  +
Z
V
m
s
9
(1 10 )(1
70
)
100kHz<f
m
≤200kHz
−

+
Z V
m s
3
(
1 10
)(2
200
)
−  +
Z
V
m
s
9
(3 10 )(1
70
)
Fast
f
m
 100Hz
− 
+ +
Z V f
m s m
3
(
2.5 10
)(1
400
)(1
100
)
−  + +
Z
V f
m
s m
9
(2 10 )(1
100
)(1
100
)
100Hz  fm
≤100kHz
−

+
Z V
m s
3
(
2.5 10
)(1
400
)
−  +
Z
V
m
s
9
(2 10 )(1
100
)
100kHz<f
m
≤200kHz
− 
+
Z V
m s
3
(
2.5 10
)(2
400
)
−  +
Z
V
m
s
9
(6 10 )(1
100
)
Where, f
m
is the test frequency and the unit is [Hz].
The unit of the tested impedance is [Ω].
The unit of the test signal voltage is [mV
rms
].
When the impedance is smaller than 500Ω, K
a
, K
b
is unavailable.
When the imp edance is larger than 500Ω, K
a
, K
b
is unavailable.
60