â·ÃÊͺ¶ÒÁÃÒ¤Ò Power Analyzers à¤Ã×èͧÇÑ´¡ÓÅѧ俿éÒ > 380801: True RMS Single Phase Power AnalyzerCompact, à¤Ã×èͧÇÑ´¡ÓÅѧ俿éÒ battery operated appliance tester for analyzing AC power 380801: True RMS Single Phase Power Analyzer Compact, battery operated appliance tester for analyzing AC power loads Features: Four simultaneous displays of Watts, Power Factor or VA, Voltage or Hz, Amps True RMS Voltage & Current measurements of sine, square, triangular and distorted wave forms with a crest factor < 5 Plug device to be tested directly into the Power Analyzer Max, Data Hold and Overload Protection Battery or AC adaptor provides line isolation Sampling (update) rate is 2.5 times/second Can be used for data acquisition when connected to PC Software included to download and store data to a PC 380801 Extech Power Analyzer à¤Ã×èͧÇÑ´¡ÓÅѧ俿éÒ à¤Ã×èͧÇÔà¤ÃÒÐËì¡ÓÅѧ俿éÒ