Clamp-on electric multimeters; leakage clamp-on electric meters; recording clamp-on electric multimeters; industrial clamp-on electric multimeters; power quality clamp-on electric multimeters; full featured, full size electric multimeters; full featured compact electric multimeters; automotive electric multimeter; measuring apparatus, namely, ultrasonic distance meters; differential pressure combination tachometers; light measurement meters; sound meters; electrical testers, namely, socket testers; noncontact voltage testers; high voltage noncontact testers; voltage testers; continuity testers; specialty probes, namely, voltage probes, amp probes, and logic circuit probes; phase sequence handheld component testers; low voltage electric relays