Colorimeters; Oscilloscopes; Photometers; Electronic ultrasonic test equipment, namely, ultrasonic flaw detectors, thickness testers and hardness testers, for non-medical use; Force measurement products, namely, digital force gauges, digital torque gauges and manual and motorized test stands used therewith sold as a unit with the gauges; Measuring apparatus, namely, clamp meters for measuring electricity; Power supplies; Resistance measuring instruments; Surveying machines and instruments; Vo...