The Extech 382100 3-Phase power analyzer and data logger is ideal for use in a wide variety of applications, including power quality analysis and motor or generator installations 382100: 1200A 3-Phase Power Analyzer/Datalogger Datalogging Power Analyzer (up to 30,000 sets of measurements) Features: Single phase, 3-phase/3-wire or 3-phase/4-wire systems Large backlighting LCD displays 35 parameters simultaneously (MW, kVAR, MVA, PF plus the voltage and current of the 3 phases) Displays Active Power (kW), Apparent Power (kVA), Reactive Power (kVAR) and Power Factor Current measurements to 1200A and Voltage measurements to 600V MWH, MVAh, MVARh energy measurements Adjustable CT ratio (1 to 600) and PT ratio (1 to 1000) Automatically logs up to 30,000 sets of measurements with 2GB SD memory card User-programmable sampling time from 2 to 7200 seconds Specifications: Specifications Range Basic Accuracy ACV (True rms) 600.0V ±(0.5%rdg+0.5V) ACA 1200A ±(0.5%rdg+0.5A) Active Power (MW) 9.999MW ±(1.0%rdg+0.08KW) Apparent Power (MVA) 9.999MVA ±(1.0%rdg+0.08KVA) Reactive Power (MVAR) 9.999MVAR ±(1.0%rdg+0.08KVAR) Power Factor 0.00 to 1.00 ±0.04 Frequency Range 45Hz to 65Hz ±0.1Hz Phase -180± to +180.0± ±1± Active Power Energy (MWh) 0.0kWh to 9.999MWHr ±(2.0%rdg+0.08KWh) Apparent Power Energy (MVAh) 0.0KVAh to 9.999MVAh ±(2.0%rdg+0.08KVAh) Reactive Power Energy (MVARh) 0.0kVARh to 9.999MVARh ±(2.0%rdg+0.08KVARh) Datalogging 17000 reading (2GB SD memory Card) Dimensions 8.9 x 2.5 x 1.3" (225 x 125 x 64mm) Weight Meter: 2.3lbs (1049g); Clamp: 1.2lbs (522g) 3-Phase Power Analyzer 382100 Extech Power Analyzer à¤Ã×èͧµÃǨÇÑ´ÅӴѺà¿Ê à¤Ã×èͧÇÔà¤ÃÒÐËì¡ÓÅѧ俿éÒ