Abstract: Various embodiments of a voltage detection device and of related safety systems are provided. In various embodiments, the voltage detection device is configured to couple to safety headwear, such as via the one or more housing(s) of the voltage detection device coupling directly to the safety headwear or the voltage detection device coupling to an adaptor mounted to the hard hat.

Abstract: The disclosure relates to a system for nondestructive evaluation (NDE) of material flaw characteristics. The NDE system, after being trained on previously-acquired experimental data, is given an assigned NDE task by the inspector and/or remote observer. This task is requested via a small keyboard on the system control unit or remotely. The system then issues detailed commands to stepping motors in its transducer-positioning mechanism (scanner) and to logic circuits in the ultrasonic (UT) pulser/receiver to establish the sequence of transducer (probe) translation and orientation changes and the frequency, pulse-width, and pulse repetition interval used to energize the probe. Shaft-position encoders in the scanning mechanism are used to insure faithful following of the commanded position/orientation sequence.