A chance experiment on a wind farm in Texas has demonstrated an example of the non-traditional applications that can be carried out by Norbar’s portable USM-3 ultrasonic bolt meter, which provides precise measurements for the elongation (resolution to 0.0001 mm) and load in threaded fasteners. It is known to be incredibly versatile, being able to undertake measurements for fasteners measuring from 25mm to over 15m long. What was not widely appr...