◇
59
Discharge Function
Automatic discharge after the test
Resistance Test Range
0.02MΩ– 10GΩ
Resistance display range
5mA
0.2 MΩ-1 MΩ
(1000V)
1mA
1 MΩ-10 MΩ
100uA
10 MΩ-100 MΩ
10uA
100 MΩ-1GΩ
1uA
1GΩ-10GΩ
Accuracy of resistance measurement
≥500V
1MΩ– 100MΩ ±(5% range +5 digits)
100MΩ– 10GΩ±(10% range+5 digits)
< 500V
0.1MΩ– 100MΩ±(10% range+5 digits)
1GΩ– 10GΩ for reference only no precision requirement
Accuracy of current measurement
±(2% range +5 digits)
(After clearing)
ARC Detection
Test
AC
1mA – 20mA
Range
DC
1mA – 20mA
Comparator
Judgment method
Window comparison mode
I
low
ON: when I
low
< Ix < I
upper
, PASS; when I
x
≤ I
lower
or I
x
≥
I
upper
, FAIL (condition I
lower
< I
upper
)
I
low
OFF: when Ix < I
upper,
PASS; when I
x
≥ I
upper
,
FAIL
The insulation resistance discrimination method is the same as
the above.
Current upper limit
setting
AC
0.001mA – 10mA
DC
0.1uA – 5mA
Current lower limit
setting
AC
0.001mA – 10mA
(LOWER OFF)
DC
0.1uA –5mA
Resistance upper limit setting
OFF - 0.1MΩ - 10GΩ
Lower Resistance Limit Setting
0.01MΩ– 10GΩ (The minimum actual current of the lower
limit shall not be greater than 5mA)
Discriminant output
PASS/FAIL LCD and LED display respectively, sound alarm
Parameter Setting
Voltage rise time
0.1s – 999.9s
Voltage fall time
0s – 999.9s,
(Effective only after voltage withstanding
PASS)