User Manual SM6026
64
Table B calibrated interpolating factor K
C
Test frequency
Kc
Direct calibrated frequency
0
Other frequency
0.0003
Table C Direct Calibrated frequency
20
25
30
40
50
60
80
[Hz]
100
120
150
200
250
300
400
500
600
800
[Hz]
1
1.2
1.5
2
2.5
3
4
5
6
8
[kHz]
10
12
15
20
25
30
40
50
60
80
[kHz]
100
120
150
200
250
300
[kHz]
Table D Cable length factor K
d
Test signal level
Cable length
0m
1m
2m
≤1.5V
rms
0
2.5×10
-4
（
1+50×f
m
）
5×10
-4
（
1+50×f
m
）
>1.5V
rms
0
2.5×10
-3
（
1+16×f
m
）
5×10
-3
（
1+50×f
m
）
f
m
: test frequency [MHz]
When using the scan jig, take the correction factor Kd when the cable length is 2m.
Table E Temperature factor K
e
Temperature
（℃）
5
8
18
28
38
K
e
6
4
2
1
2
4
6.3.9
Accuracy of DCR
A (1+R
x
/5MΩ+16mΩ/R
x
) [%] ± 0.2mΩ
When the instrument is in Middle and slow speed, A=0.25
In Fast speed, A=0.5
Where, R
x
is the tested resistance.
6.3.10 Accuracy of leakage inductance L
k
Inductance L’s ac 0.2%
6.4
Safety requirement
The instrument is the
Ⅰ
class safety instrument.
6.4.1
Insulation resistance
Under reference working condition
，
the insulation resistance between power terminal and instrument
jacket should not be smaller than 50MΩ.
Under humility condition, the insulation resistance between voltage terminal and instrument jacket should
not be smaller than 2 MΩ.
