Extech 380820 Universal AC Power Source & AC Power AnalyzerExtech 380820 Universal AC Power Source + AC Power Analyzer Universal AC Power Source + AC Power Analyzer Front (100W) and Rear (2000W) Universal Output Sockets For High Resolution Power testing to 10mW Key Features: Low Power, high resolution front panel output with variable voltage and frequency HighPower rear panel output supplies line frequency and voltage Low Power Measurement (10mW to 100W) for testing power consumption of small devices or