UNI-T UT512E 2.5kV Insulation Resistance Testers
The UNI-T UT512E is a compact, high-voltage insulation resistance tester engineered for professional environments where reliable, non-contact diagnostics are essential. Encased in a sturdy housing, it features a large, backlit display that presents measurement results clearly and intuitively, even in low-light conditions. At its core, the device generates up to 2.5 kV to evaluate insulation integrity, while onboard electronics continuously monitor output and leakage currents to ensure safety and accuracy. A rechargeable 14.8 V lithium-ion battery pack powers the instrument, offering extended testing duration without frequent battery changes.
Users navigate its functions through a logical button layout and a responsive menu system that streamlines operation, reducing the learning curve for technicians entering timed or comparison-based tests. Following each measurement, the UT512E automatically discharges residual voltage to protect both the tester and the user, and it provides an audible and visual alarm if hazardous conditions arise.
Integrated memory accommodates up to 999 data sets, allowing users to store results onsite and later transfer them via USB for detailed analysis. With its blend of ergonomic design, robust construction, and intuitive data management, the UT512E balances high-voltage performance with practical usability, making it an indispensable tool for ensuring the safety and longevity of critical electrical assets.
Features:
- Output voltage range up to 2.5 kV (250 V, 500 V, 1000 V, 2500 V).
- Polarization Index (PI) and Dielectric Absorption Ratio (DAR) testing.
- Short-circuit current measurement (~5 mA).
- Automatic leakage current display during insulation tests.
- Stepping voltage adjustment at 10 % increments of each range.
- High-voltage output alarm for safety.
- Automatic discharge of residual voltage after each test.
- Data storage for up to 999 sets of test results.
- PC-software data analysis via USB cable.
- Overvoltage category rating: CAT IV 600 V.
- Resistance comparison (COMP) mode with upper/lower limit setting and over-range indication.
- Timer testing mode to record test duration automatically (0 s – 99 m 59 s).
- External voltage detection to monitor live voltage on the measured object.
- Analog bar-graph display of tested insulation resistance.
- Manual and automatic power-off functions.
- LCD backlight with a 5.1-inch display.
- 14.8 V/5200 mAh rechargeable lithium-ion battery pack.
- Anti-misplug protection.
Specifications:
| Specification |
Details |
| Output Voltage Ranges: |
250 V, 500 V, 1000 V, 2500 V |
| Insulation Resistance Range: |
0.01 MΩ to 100 GΩ |
| Resistance Accuracy: |
±(3% + 5) |
| Short-Circuit Current: |
5 mA |
| Voltage Display Range (During Test): |
0 V to 2500 V |
| Voltage Accuracy: |
±(5% + 3) |
| Leakage Current Display Range: |
0.01 nA to 2.5 mA |
| Leakage Current Accuracy: |
±(5% + 3) |
| DAR/PI Testing: |
Supported |
| Timer Measurement Range: |
0 s – 99 min 59 s |
| Comparison Mode: |
Yes (COMP mode with upper/lower limit and over-range indication) |
| Display Type: |
5.1-inch large LCD with backlight and analog bar graph |
| Data Storage: |
999 sets |
| PC Interface: |
USB |
| Power Supply: |
14.8 V / 5200 mAh rechargeable lithium-ion battery pack |
| Battery Charging Time: |
6 hours |
| Auto Discharge Function: |
Yes |
| Overvoltage Protection: |
Yes (External voltage detection and high-voltage output alarm) |
| Safety Ratings: |
CAT IV 600 V |
| Dimensions: |
207 mm × 285 mm × 106 mm |
| Weight: |
2.6 kg |
| Operating Temperature and Humidity: |
0–40 °C; ≤ 85 % RH |
Applications:
- Power Equipment Maintenance.
- High-Voltage Electrical System Testing.
- Transformer and Motor Insulation Evaluation.
- Cable and Wire Insulation Testing.
- Industrial Electrical Safety Inspections.
- Laboratory and R&D Testing of Insulation Materials.
Package Contents:
- 1x UT512E Main Unit
- 1x Rechargeable Lithium Battery (14.8 V / 5200 mAh)
- 1x Power Adapter
- 1x USB Cable
- 2x Test Leads
- 2x Alligator Clips
- 1x English User Manual
- 1x Carrying Case
UNI-T UT512E Documents:
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