The Ultrasonic Stress Meter - USM-3 is a hand held instrument including; AC adaptor, nylon carrying case, storage case, transducer cable, RS232 data transfer cable, 4 oz couplant and operation manual.
Requires Transducer which is sold separately.
Overview of Ultrasonic Measurement
The following series of Web pages presents an 'Overview of Ultrasonic Measurement' of fasteners. Ultrasonic measurement provides a very precise method of determining the elongation of a fastener due to tightening. This elongation is proportional to the load force exerted on the fastener.
Calibrating the Ultrasonics
Measuring the Unloaded Lengths
Measuring the Elongation
Sonic Bolt Utility Software
The USM-II can produce reports by sending data over its RS-232 port.
The reports can be sent to a printer directly, to a computer using a communications port, or to a computer using the SonicBolt Software. The report format is designed to be imported into a spreadsheet software for creating graphs and data analysis.
Install SonicBolt Utility Software v2.1e
This program is for use with the Norbar USM instrument only and is provided without warranty of any kind. Norbar makes no claim to it's suitability or use and shall not be liable for any damages whatsoever caused by installation or use of the software.