7760/7761 Three-phase Power Quality and Energy Analyzer offers the best power quality analysis and the ability to monetarily quantify energy losses. It can measure voltage, current, frequency, power, power energy flicker, harmonics and inter harmonics etc.7760/7761 helps to locate, predict, prevent, and troubleshoot power quality problems in three-phase and single-phase power distribution systems 7761 is three-phase Power Quality and Energy Analyzer with InfraRed Thermal Imager.