Catalog > Test and Measurement > Test and Measurement Instruments > UNI-T Instruments Catalog > Test and Measurement > Test and Measurement Instruments > Special Function Testers > Miscellaneous Testers UNI-T Digital Insulation Resistance Tester Digital Insulation Resistance Tester UNI-T UT513A Insulation Resistance Tester 600V AC/DC RES Test Voltage 500/1000V/2500V/5000V, Auto Range Auto PWR OFF, Secondary Display, Low Batt Indication, Data Storage18, Comparison, DAR, PI, USB Interface, LCD Backlight, Analogue Bar GRAPH30, Overload Indication, Call for Price 0 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview The UNI-T UT513A is a professional-grade 5kV insulation resistance tester designed for electrical engineers, maintenance professionals, and contractors who require reliable high-voltage testing capabilities in demanding industrial environments. This powerful diagnostic instrument delivers precise measurements up to 1000GΩ, making it ideal for evaluating the insulation integrity of heavy machinery, power distribution equipment, and critical electrical infrastructure components. With multiple test voltage settings ranging from 500V to 5000V, the UT513A provides the versatility needed to test various types of electrical equipment according to industry standards. Its comprehensive measurement capabilities, including Polarization Index (PI) and Dielectric Absorption Ratio (DAR) testing, offer invaluable insights into insulation quality that go beyond basic resistance readings. Engineered for field reliability with a rugged housing and intuitive interface, the UNI-T UT513A combines industrial-grade performance with user-friendly operation to streamline your insulation testing workflow. Features High voltage output up to 5kV for testing heavy industrial equipment Wide resistance measurement range up to 1000GΩ Selectable test voltages: 500V, 1000V, 1500V, 2500V, and 5000V Polarization Index (PI) and Dielectric Absorption Ratio (DAR) measurement Automatic voltage discharge after test completion for safety Large LCD with backlight for clear visibility in all working conditions Analog bar graph with 30 segments for trend visualization Comparison measurement function for quick pass/fail assessment High voltage warning indicators for enhanced operator safety Data storage for 18 measurement sets Auto power-off function to conserve battery life CAT III 600V safety rating for industrial environments Powered by 8 x 1.5V batteries with extended operating time Specifications Parameter Specification Insulation Resistance Range 500V: 0.5MΩ~5GΩ (±3%+5)1000V: 2MΩ~10GΩ (±3%+5)1500V: 5MΩ~20GΩ (±3%+5)2500V: 10MΩ~100GΩ (±3%+5)5000V: 5MΩ~1000GΩ (±3%+5) Test Voltage Accuracy 0%~10% Short Circuit Current >3mA DC Voltage Measurement 1000V (±2%+3) AC Voltage Measurement 750V (±2%+3) Low Resistance 0.1Ω~999.9Ω (±1%+3) Data Storage 18 sets Timing Measurement Around 15 minutes Display LCD with backlight (123 x 58mm) Analog Bar Graph 30 segments Auto Power Off Approximately 30 minutes Power Supply 1.5V batteries (LR14) x 8 Safety Rating CAT III 600V Dimensions 202 x 155 x 94mm Weight Approx. 500g (without batteries) Package Contents UNI-T UT513A Insulation Resistance Tester 2pcs of one plug test leads to one alligator clip (black and green) 1pc of two plugs test lead to one alligator clip (red) USB cable Power adaptor 8 x 1.5V LR14 batteries English user manual Carrying case Test certificate Downloads Datasheet - UNI-T UT513A PDF File 3.95 MB