| Basic
Functions |
Measuring Range |
Best
Accuracy |
| Insulation Resistance Measurement |
Test Voltage 250V/500V/1000V |
±(10%+0) |
Test Current 100V (R=100kW); 1mA
250V (R=250kW); 1mA
500V (R=500kW); 1mA
1000V (R=1MW); 1mA |
±(10%+0)
±(10%+0)
±(10%+0)
±(10%+0) |
| Test Current Short Circuit <2mA |
 |
250V 0.05MW ~ 200MW
500V 0.05MW ~ 300MW
1000V 0.05MW ~ 500MW |
±(5%+5)
±(5%+5)
±(5%+5) |
| RCD |
Operational Voltage 220V±10% / 45Hz ~ 65Hz |
 |
| Test Current 10mA/30mA/100mA/300mA |
0~10% |
| Trip Time 0ms--2000ms, 1△n General (10mA) |
±(5%+2) |
| Earth Resistance Measurement |
Test Voltage Around 5.0V |
 |
| Test Current >200mA (R<2W) |
 |
| Continuity Resistance Range 0.00W ~ 2000W (UT526) |
±(2%+5) |
| Voltage Measurement |
AC/DC Voltage 0~440V |
±(2%+3) |
| Frequency |
Reference Only |
| Special
Functions |
|
| AC or DC Judgment |
Voltage Measurement |
 |
| Test Light |
|
 |
| Phase Switch (RCD) |
0° and 180° |
 |
| Low Battery Display |
|
 |