Owner manual

10 KEW3128
3. Specification KEW3128
● Measuring Range and Accuracy （under 23±5ºC and 45 – 75%RH）
【Insulation Resistance Tester】
Rated Voltage 500V 1000V
Max value 500GΩ 1TΩ
Accuracy
0~50GΩ
±5%±3dgt
* Accuracy
is not
guaranteed
with setting
of 250V
or less.
0~100GΩ
±5%±3dgt
50G~500GΩ
±20%
100G~1TΩ±20%
Short-circuit
current
Max 5.0mA
Rated
measurement
current
1mA or more, 1.2mA
or less under a load of
0.5MΩ
* Should be 500V or more
1mA or more, 1.2mA
or less under a load of
1MΩ
Rated Voltage 2500V 5000V
Max value 2.5TΩ 5TΩ
Accuracy
0~250GΩ
±5%±3dgt
0~500GΩ
±5%±3dgt
250G~2.5TΩ±20% 500G~5TΩ±20%
Short-circuit
current
Max 5.0mA
Rated
measurement
current
1mA or more, 1.2mA or
less under a load of
2.5MΩ
1mA or more, 1.2mA or
less under a load
of 5MΩ