CT/PT VA Characteristic & Polarity Comprehensive Tester
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CT/PT VA Characteristic & Polarity Comprehensive Tester

Application
MEFA-V is a fully automated CT/PT characteristic tester. Tests include: CT VA characteristic test, PT VA characteristic test, CT ratio and polarity test, PT ratio and polarity test, CT polarity test, PT polarity test, automatic CT error curve calculation at any point, CT/PT ratio error and other parameters.
Designed for automatic testing of protection and metering class CT/PT, suitable for both laboratory and field testing.

◆Transformer VA Characteristic Ratio Polarity Comprehensive Tester Product Features
• Supports CT and PT testing.
• Meets GB1207, GB1208 and other standards.
• No external equipment needed, single unit completes all tests.
• Built-in micro printer for on-site test result printing.
• Smart controller, simple operation.
• Large LCD screen, graphical display interface.
• Auto CT/PT excitation knee point value per standards.
• Auto 5% and 10% error curve.
• Stores 3000 test data sets, non-volatile.
• Supports USB data transfer, readable via standard PC with test report generation.
• Compact and lightweight, ideal for field testing.

Main Test Functions

 

CT	PT
•VA Characteristic (Excitation) Curve	•VA Characteristic (Excitation) Curve
•Auto Knee Point Value	•Auto Knee Point Value
•Auto 5% and 10% Error Curve	•Ratio Measurement
•Ratio Measurement	•Polarity Determination
•Polarity Determination	•AC Withstand Voltage Test
•Primary Current Injection Test	•Core Demagnetization
•AC Withstand Voltage Test
•Core Demagnetization

Note: The above information and technical parameters are compiled and published by Yangzhou Darui Electric Co., Ltd.