UNI-T UT512 Insulation Resistance Tester
The UNI-T UT512 is a thoughtfully designed handheld insulation resistance tester that blends robust construction with user-friendly operation. Geared toward professionals, it features a large, backlit LCD and analog bar-graph to facilitate clear, precise readings even in dim or cluttered environments.
Its versatility is evident in the broad measurement capacity: insulation resistance spans from 0.5 MΩ up to 100 GΩ, while test voltages extend through 500V, 1000V, 1500V, and even up to 2500V DC. One-hand operation is further enhanced via modes like continuous, timed, polarization index (PI), and dielectric absorption ratio (DAR), enabling advanced insulation health assessments.
The UT512 doesn’t skimp on data handling or safety: it offers USB data logging, adjustable pass/fail comparison, and stores multiple readings. Safety-wise, it’s rated CAT III or IV 600V depending on model, with features like auto-discharge, stepping voltages, and emergency stop to protect both user and equipment from high-voltage hazards.
Features:
- Large 9999 display with 30-segment analog bar graph.
- PI/DAR measurements.
- Comparison, upper and lower limit functions.
- Continuous measurement mode.
- Auto power off.
- 18-group data storage.
- Backlight.
- Auto current discharge and high-voltage output alarm.
- Time measurement mode, auto measure within 15 minutes.
- Low battery and over-range indications.
Specifications:
| Specifications | Range | UT512 | |
| Insulation resistance (Ω) | Test voltages | 500V~2500V | 0%~20% |
| 500V | 0.5MΩ~5GΩ | ±(3%+5) | |
| 1000V | 2MΩ~10GΩ | ±(3%+5) | |
| 1500V | 5MΩ~20GΩ | ±(3%+5) | |
| 2500V | 10MΩ~100GΩ | ±(3%+5) | |
| DC voltage (V) | 600V | ±(2%+5) | |
| AC voltage (V) | 600V | ±(2%+5) | |
| Short-circuit current | <1.8mA | ||
| Features | |||
| Auto range/Auto power off | √ | ||
| Low battery indication | √ | ||
| Data storage | 18 | ||
| Comparison measurement | √ | ||
| Polarization index (PI) | √ | ||
| Dielectric absorption ratio (DAR) | √ | ||
| USB interface | √ | ||
| Analog bar graph | 30 | ||
| LCD backlight | √ | ||
| Over-range warning | √ | ||
| High voltage indication | √ | ||
| Timing measurement | Around 15 minutes | √ | |
| General Characteristics | |||
| Power | 1.5V battery (LR14) x 8 | ||
| Display | 123mm x 58mm | ||
| Product color | Red and grey | ||
| Product net weight | UT512: 1.8kg | ||
| Product size | 202mm x 155mm x 94mm | ||
Applications:
- Electrical maintenance for circuits, motors, and transformers.
- Industrial safety and compliance insulation testing.
- Preventive maintenance diagnostics through PI and DAR measurements.
Package Contents:
- 1x UT512 Insulation Tester
- 1x Test lead (black, one plug to alligator)
- 1x Test lead (green, one plug to alligator)
- 1x Test lead (red, two plugs to one alligator)
- 1x Tool box (carrying case)
- 1x USB interface cable
- 1x Power supply (adapter)
- 1x User manual
- Note: Batteries (8 × LR14) are not included
Documents:
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