New way measuring bolts: Timesaving - Easy - Robust

40 years of practical & theoretical development.

Contact us for a demonstration of ultrasonic all in one instrument

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Low cost

Ultrasonic bolt load instrument

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Easy to use

touch display (Can be used with gloves or touch-pen)

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IP44 Rated

IP44 Rated (Sealed)

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Compatible

Compatible with MS Windows and MS Excel. No need for special PC Software

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Chargeable

Chargeable instrument by external charger or Micro-USB

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Temperature Probe

Temperature Probe is included in the kit. No need for manual temperature input

Contact us for a demonstration of delta sigma Ultrasonic Bolt Load & Elongation Measurement Instrument

The Δδ (Delta-Sigma) Instrument from Resonic Instruments is the result of 40+ years of practical & theoretical development, in combination with extensive hands-on experience in the field of ultrasonic fastener measurement. The Δδ Instrument has been developed, designed and tested by the worlds most experienced bolting Engineers for use by anybody concerned with achieving and maintaining a constant and optimised bolt elongation, ensuring that fasteners behaves as expected, maximising their service life time. Theoretical development, in combination with extensive hands-on experience in the field of ultrasonic fastener measurement. The Δδ Instrument has been developed, designed and tested by the worlds most experienced bolting Engineers for that fasteners behamaximising their service life time.