UNI-T UT513B insulation resistance tester
Details
The UNI-T UT513B is an insulation resistance tester which can measure resistances of up to 2TΩ. The tester works on five rated voltages from 250V to 5000V, and each voltage level can be fine-tuned in 10% steps. This makes the tester suitable for industry, in both low- and medium-voltage applications, such as cables, motors, or installations.
The meter also automatically discharges the test object after each measurement and has a high-voltage indicator for safe operation. The tester can perform timed measurements, and has PI and DAR tests that help assess the insulation condition. Additionally, the unit features a rechargeable lithium battery and a USB connection. We also offer the UT513C, which adds capacitance measurement and Bluetooth, and the more affordable UT513A.
Model Overview
| Model | UT513A | UT513B | UT513C |
| Max. insulation resistance | 1 TΩ | 2 TΩ | 5 TΩ |
| Adjustable test voltage | No | Yes, in 10 % steps | Yes, in 10 % steps |
| Short-circuit current | ~2 mA | ~3.5 mA | ~5 mA |
| Capacitance measurement | No | No | Yes |
| Connectivity | USB | USB | USB, Bluetooth |
| CAT rating | CAT III 600 V | CAT IV 600 V | CAT IV 600 V |
| Power supply | 8x 1.5 V battery (LR14) | Rechargeable lithium battery | Rechargeable lithium battery |
| Price (excl. VAT) |
Specifications
| Test voltage | 250 V, 500 V, 1000 V, 2500 V, 5000 V (adjustable in 10 % steps) |
| Insulation resistance range | 0.25 MΩ - 2 TΩ |
| Short-circuit current | ~3.5 mA |
| AC/DC voltage testing range | 30 - 750 V AC, 30 - 1000 V DC |
| Other functions | PI, DAR, Timer, Resistance comparison, Auto discharge, High-voltage indicator, Auto power-off |
| Power supply | Rechargeable lithium battery (14.8 V, 5200 mAh) |
| Data storage | 999 records |
| Display | 5.1" LCD (backlit) |
| Connectivity | USB |
| CAT rating | CAT IV 600 V |
| Dimensions | 238 x 166 x 90.5 mm |
| Weight | 1.8 kg (including battery) |
Accessories
- 3x Test lead (red, black, green)
- USB cable
- Lithium battery charger
- Lithium battery pack
- Carrying strap
Pros and cons
- Rechargeable lithium battery
- Up to 5kV test voltage in 10% steps
Downloads
| UNI-T UT513BC Datasheet |  (4.41 MB) | Download |
| UNI-T UT513BC manual | (16.7 MB) | Download |
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