The UNI-T UT511 is a versatile insulation resistance tester designed for professionals in electrical maintenance and testing. It offers precise measurements for insulation resistance, AC/DC voltage, and low resistance, making it suitable for a wide range of applications, including transformers, motors, cables, and electrical appliances.
- Insulation Resistance Measurement:
- Test voltages: 100V, 250V, 500V, and 1000V
- Measurement range:
100V: 0.1 MΩ to 500 MΩ
250V: 0.5 MΩ to 2 GΩ
500V: 1 MΩ to 4 GΩ
1000V: 2 MΩ to 10 GΩ
3. Accuracy: ±(3% + 5)
- AC/DC Voltage Measurement:
- Range: 0 to 1000V
- Accuracy: ±(2% + 3)
- Low Resistance Measurement:
- Range: 0.1 Ω to 999.9 Ω
- Accuracy: ±(1% + 3)
Additional Functions:
- Polarisation Index (PI) and Dielectric Absorption Ratio (DAR) measurements
- Comparison function with upper and lower limits
- Continuous and timed measurement modes
- Data storage for up to 18 readings
- Auto power-off and low battery indication
- Backlit LCD with 9999 counts and 30-segment analog bar graph
- Over-range and high-voltage warnings







