The UNI-T UT-533 is a professional-grade digital insulation tester engineered for comprehensive electrical diagnostics. It delivers selectable test voltages—50V, 100V, 250V, 500V, and 1,000V—enabling precise impedance measurement across diverse applications and resistance ranges from 0.1MΩ to 2.00GΩ. Beyond insulation testing, this multifunctional meter measures DC and AC voltage, current, resistance, and capacitance with high accuracy. Built for technicians and electricians requiring reliable field performance, the UT-533 combines versatility with dependable measurement specifications across multiple ranges.

The UNI-T UT-533 is a certified insulation multimeter designed for electrical professionals requiring comprehensive testing capabilities. This dual-insulated instrument measures AC/DC voltage and current, insulation resistance, standard resistance, and capacitance while also monitoring frequency and temperature. With 1,000V output voltage capacity, it delivers the performance needed for demanding field applications. CE and RoHS certifications confirm compliance with international safety and environmental standards, making it a dependable choice for technicians working with high-voltage systems and complex electrical installations.

The UNI-T UT-533 arrives fully equipped with essential testing accessories: test leads, crocodile clips, and a K-type thermal probe for immediate deployment. Powered by six 1.5V LR6 batteries, this meter operates reliably in field conditions without external power requirements. Its compact design—96.7 × 202.8 × 46mm and weighing just 505g—ensures portability while maintaining an 81 × 46mm display for clear readings. Ideal for bulk procurement, standard cartons contain 20 units, making it efficient for fleet outfitting or reseller inventory management.