Advanced Transformer Turns Ratio Measurement System Fast and Reliable TTR Tester for Transformer Quality Control and Field Testing

The SXBB Transformer Turns Ratio Tester is a professional transformer testing instrument designed for accurate measurement of transformer turns ratio, vector group, PT ratio and CT polarity.

Based on advanced three-phase sine-wave inverter technology, the tester provides fast, reliable and automatic testing solutions for power transformers, distribution transformers, voltage transformers and current transformers.

It is widely used in transformer manufacturing plants, power utilities, commissioning projects and routine maintenance applications.

Measure transformer turns ratio accurately to verify whether the transformer winding ratio meets design requirements.

Automatically identify transformer connection group and phase relationship.

Perform voltage transformer ratio testing for accurate measurement and verification.

Test current transformer ratio and polarity to ensure correct protection and metering performance.

• Three-phase sine-wave inverter output
• Automatic blind testing
• High accuracy measurement
• Wide measuring range up to 10000
• Color LCD display
• Built-in thermal printer
• USB data storage
• Soft start and soft stop function
• Reverse connection protection
• Output short-circuit protection

• Faster transformer testing process
• Reduce manual calculation errors
• Suitable for laboratory and field testing
• Reliable performance for power equipment maintenance

• Power transformer testing
• Distribution transformer inspection
• Transformer factory testing
• Substation commissioning
• Electrical maintenance testing