electrical and electronic measurement, testing and monitoring apparatus, namely multimeters; ammeters, voltmeters, ohmmeters, frequency and temperature meters; measurement recording apparatus for recording current and voltage measurements; insulation meters and earth testers; security and protection measuring apparatus for testing fault current and fault voltage protective switches; and photo-electric measuring apparatus

electrical and electronic measurement, testing and monitoring apparatus; namely, multimeters, ammeters, voltmeters, ohmmeters, frequency and temperature meters; measurement recording apparatus for recording current and voltage measurements; insulation meters and earth testers; security and protection measuring apparatus for testing fault current and fault voltage protective switches; and photo-electric measuring apparatus