ESP DRAGON

Ammeters, electric indicator boards, electronic indicator panels, telemeter units, compasses, protractors, speed indicators, surveyors' levels, photometers, level indicators, salinometers, temperature indicators, accelerometers, tachometers, thermometers, barometers, aerometers, spherometers, refractometers, inclinometers, measuring spoons, weighing machines, actinometers, altimeters, hygrometers, illuminometers, vibration meters, vacuum gauges, noise meters, lactometers, urinometers, calorimeters, viscosimeters, concentration meters, densimeters, anemometers, polarimeters, pedometers, dosimeters, planimeters, flowmeters, dynamometers, electric monitoring camera for prevention of crimes or disasters, wattmeters, watt-hour meters, power measurement devices namely, voltage regulators for electric power, voltage stabilizing power supply, power controllers, power distributing boxes, power transformers for amplification, high-frequency switching power supplies, power amplifiers, electric control devices for heating and energy management, computer software for acquisition and analysis of electric-power data