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Bolt Tension Monitors

Bolt Tension Monitors

The Dakota Ultrasonics MINI-MAX Ultrasonic Bolt Tension Monitor defines the state of the art in the measurement of the actual elongation produced by tightening a threaded fastener. MINI-MAX can measure the elongation very accurately in fasteners of virtually any material from 1/2 inch to 4 feet in length.


  1. Dakota Ultrasonics MiniMax

    MiniMax Bolt Tension Monitor

  2. Dakota Ultrasonics Max II

    Dakota Ultrasonics Max II