Professional Transformer Turns Ratio (TTR) Tester
A professional automatic Transformer Turns Ratio (TTR) tester designed for accurate measurement of transformer winding ratios during commissioning and maintenance. Compact, battery-powered, and field-ready, it delivers fast and reliable ratio verification across distribution and power transformers.
This professional Transformer Turns Ratio (TTR) tester is engineered for accurate verification of transformer winding ratios in substations, industrial facilities, and power distribution systems.
Accurate turns ratio measurement is critical for detecting:
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Winding faults
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Shorted turns
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Open circuits
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Tap changer issues
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Incorrect transformer connections
The instrument provides automatic ratio measurement within a 0.9–10 range, ensuring efficient field diagnostics and reduced testing time during commissioning or preventive maintenance.
Featuring a digital display for clear result interpretation, the unit is designed for portability and ease of use. Integrated battery power enables on-site testing without dependence on external power supplies, making it suitable for field service engineers and maintenance teams.
Its compact and durable construction supports use in demanding industrial and utility environments.
Key Features
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Automatic transformer turns ratio testing
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Measurement range: 0.9 – 10
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Digital display interface
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Portable and battery-powered
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Designed for professional electrical testing applications
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Suitable for field commissioning and maintenance
Applications
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Distribution transformer testing
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Power transformer commissioning
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Substation maintenance
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Tap changer verification
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Industrial transformer diagnostics
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Preventive maintenance programs