CT Analyzer

CT Analyzer is a widely trusted device for fast, precise testing of protection and metering current transformers (CTs). It automatically determines CT ratio, burden, polarity, excitation curve, knee point, accuracy class, and composite error according to IEC/IEEE standards. Using low-voltage testing technology, CT Analyzer ensures operator safety and simplifies field work by eliminating the need for high-power test sources. The device evaluates CTs within minutes, making it ideal for commissioning, maintenance, and factory acceptance testing. Integrated with PTM, CT Analyzer offers guided workflows and automatic pass/fail evaluation. Its lightweight and rugged design makes it perfect for field technicians and utility engineers.

Key Features

• Automated CT testing

• Low-voltage, high-accuracy testing

• Standard-compliant (IEC/IEEE)

• Determines all key CT parameters

• Fast testing (within minutes)

• Portable and robust

Applications

• CT commissioning and verification

• Metering and protection CT testing

• Factory acceptance testing

• Substation maintenance

• Utility testing programs

Keywords

CT Analyzer, current transformer tester, CT ratio test, CT knee point, IEC 61869 testing