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home products Automatic Turns Ratio Meter

Automatic Turns Ratio Meter

Product Details:

Brand UMA
Model Number ATRI-3
Place of Origin Rajasthan India
Keywords Other Electrical Instruments, Automatic Turns Ratio Meter, UMA, UMA Electronics Enterprises, India
Category Measurement & Analysis Instruments > Electrical Instruments >Other Electrical Instruments
Payment Terms

Detailed Product Description



This manual contains information pertaining to the specification, installation and maintenance of ATRI-3 Automatic Turns Ratio Instrument.

The ATRI-3 instrument is indigenously designed and developed by UMA Electronics, to make the testing of transformers - Simpler, Faster, Accurate and Safer.

It has elegant blue moon LCD display for showing Turns Ratio, HT & LT Voltages, Percentage deviation, Polarity and Excitation Current.

Three phase selector switch facility enables the user to do Three Phase  connection simultaneously. This saves time and energy.

“PUSH to ON” Switch is provided to safely connect or disconnect the transformer. Fuse protection is provided to take care in case of shorted winding.

The functionality of the instrument is further enhanced by SD memory card facility to save readings with date and time, which can be later retrieved  using PC / Laptop for report generation.


The ATRI-3 Automatic Turns Ratio Instrument is used for testing of  Single & Three Phase Transformers.


For Demo of ATRI-3,  please click link below:

Automatic Turns Ratio Meter

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