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Ultrasonic Bolt Tension

Dakota Ultrasonics Mini-Max

The MINI-MAX Ultrasonic Bolt Tension Monitor defines state of the art in measuring the actual elongation produced by torquing a threaded fastener. MINI-MAX can measure the elongation very accurately in fasteners of virtually any material from 1/2 inch to 8 feet in length.

Dakota Ultrasonics MAX II

The MAX II Ultrasonic Bolt Tension Monitor is the latest gauge addition to our bolting products. It incorporates all of the Mini Max unit’s great features, with some added benefits in terms of features, hardware, speed, and length. MAX II very accurately measures fasteners up to 100 feet in length and sports our very best effort to date…in terms of overall performance and power!