| Specifications | Range | ||
| Model | UT526 | ||
| Insulation Resistance (Ω) | Test Voltage | 250V/500V/1000V | ±10% |
| 250V | 0.05MΩ～200MΩ | ±(5%+5) | |
| 500V | 0.05MΩ～300MΩ | ±(5%+5) | |
| 1000V | 0.05MΩ～500MΩ | ±(5%+5) | |
| Load Current | 250V (R=250KΩ) 1mA | ±10% | |
| 500V (R=500KΩ) 1mA | ±10% | ||
| 1000V (R=1MΩ) 1mA | ±10% | ||
| Short Circuit Current: | <2mA | √ | |
| RCD | Operational Voltage (Freq.) | 220V (45Hz--65Hz) | ±10% |
| Test Current | 10mA/30mA/100mA/300mA | 0～20% | |
| Trip Time | 0ms～2000ms, 1Δn Genetal (10mA) | ±(5%+2) | |
| 0ms～500ms, 1Δn Genetal (300mA) | |||
| 0ms～300ms, 1Δn Genetal (100mA, 300mA) | |||
| Low Resistance Continuity | Range | 0.00Ω~2000Ω | ±(2%+5) |
| Test Voltage | Around 5.0V | √ | |
| Test Current | >200mA (R<2Ω) | √ | |
| Voltage Mesurement (V) | DC Voltage | 0～440V | ±(5%+2) |
| AC Voltage | 0～440V | ||
| Frequency (For reference only) | √ | ||