Partial discharge monitors; circuit breakers; cooling systems monitors for the electrical distribution industry and on-load tap changers on power transformers and electric coils; monitoring systems for transformers, namely, liquid level gauges, differential temperature sensors and gauges, oil flow gauges, voltage regulator position indicators, pressure and vacuum gauges, data loggers, namely, devices for recording data over time and thermometers, not for medical purposes; electronic recorders for storing and archiving information related to power system faults, electroluminescent display panels; electrical generation, distribution, and transmission monitoring equipment, namely, an automated process control system comprising micro-processor based hardware and software used to monitor the status of electrical power generation and electrical distribution and transmission equipment, substation monitoring software, condition monitoring algorithms, and asset life algorithms; electrical generation, distribution, control instruments, and transmission monitoring equipment, namely, monitors for rotating equipment, electrical cables, electrical switchgear, circuit breakers, circuit breaker monitors, electrical transformers, electrical transformer monitors, electric power transmission lines, infrared thermometers, not for medical purposes, electric circuit switches, liquid level gauges, flow indicators, flow switches, flow gauges, tap changer switches, precision switches, defrost controls, thermostats, sensors for determining temperature, mechanical transformer temperature controls, electric transformer temperature controls, fiber optic transformer temperature controls, portable fiber optic thermometers, not for medical purposes, pressure relief valves for tanks, pressure controls, pressure gauges, pressure relief valve for protecting pumps, pressure regulators for use with transformers, rapid pressure rise relays, load tap changer position indicator sensors, electronic circuits for error correction, transformer breathers, gas accumulation indicator; gas flow monitors, dissolved gas analyzers, and gas chromatography monitors for laboratory use

Clinical thermometers; portable fiber optic thermometers for medical use

Gas chromatography monitors for industrial purposes; pressure regulators for gas installations

Maintenance servicing and installation of measuring, controlling, and monitoring systems in the nature of transformer and rotating machine monitoring systems