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Vanguard Instruments Company, Inc., Electronic Testing Equipment, Ontario, CA

Vanguard Instruments Releases New ATRT Check Box Turns Ratio Verification Device

We are excited to announce the release of the ATRT Check Box. The ATRT Check Box is designed to verify the field performance of all Electronic Transformer Turns Ratio Testers. It can also be used for trouble-shooting and servicing Electronic Turns Ratio Testers. Click here for the full product description and specifications.