The UNI-T UT513B is a professional-grade 5kV digital insulation resistance tester engineered for electrical engineers, maintenance professionals, and contractors who demand precise measurements and comprehensive diagnostics for high-voltage equipment. With its innovative dot matrix display and measurement capability up to 2TΩ, the UT513B represents a significant advancement in portable insulation testing technology.
 
Featuring multi-voltage testing capabilities, advanced timing functions, and integrated analysis tools like PI and DAR measurements, the UT513B delivers laboratory-grade precision in a field-ready instrument. The rechargeable lithium battery provides extended operation for comprehensive testing sessions, while the CAT IV 600V safety rating ensures maximum protection in industrial environments.
 
Whether you're testing motors, transformers, cables, or switchgear, the UNI-T UT513B combines powerful diagnostic capabilities with user-friendly operation to streamline your testing process and provide the insights needed for confident decision-making about critical electrical systems.