Function random phase measurement, AC current and leak current measurement, AC Voltage detection, distinguish the inductive circuit and capacitive circuit, sequence of three-phase voltage detection and connection group of transformer detection, etc. Power supply DC9V alkaline dry battery LR6f-6 continuous duty :300h LCD 3-1/2 LCD display Dimension Width *length* thick·ª92mmf-192mmf-50mm LCD dimension Display domain·ª64mmf-54mm ·+font high·ª40mm Clamp mouth ¬+7.5mm ·+¬+40mm lectotype·¼ Measuring range phase·ª0~360fp·+current·ª0~200mA/2A/10A·+voltage·ª0~20V/200V/500V resolution phase·ª1fp·+current·ª0.1mA·+voltage·ª0.01V Measurement accuracy ·+50Hz,23f¦f+1f¦·+40-60%RH·¼ phase·ªf+3fp current·ªf+1%f+2dgt Voltage·ªf+1.2%f+2dgt line voltage Line test under AC500V Sampling speed About 3 times /s Signal frequency sine wave 45Hz~55Hz ¬-=0.05 Data hold Data holding function·ªdisplayed by fªDHfª symbol Back light function Blue back light ,suit for dark occasion Automatic shutdown After starting up 15min·+it shutdown automatically to reduce battery consumption Battery voltage When battery voltage is low ,battery low voltage symbol will filker to remind replacing battery; Quality Core about590g·+with battery·¼·+long flat nose current pliers about ·ª175gf-2·+big round tongs clamp·ª120g Work temperature and moisture -10f¦~40f¦·+85%rh below Storage temperature and moisture -20f¦~60f¦·+70%rh below Driving point impedance AC voltage driving point impedance·ª2M¬+·+when test phase U1-U2·ª40K¬+ Insulation intension fª10M¬+9·+Between wire of meter and crust·+two voltage input port·¼ Voltage bear Between port of voltage input and box, split core type currenttransformator and clamp handle& winding coil: 1000V/50Hz, 1min experiment can be reach when sine wave AC voltage 500V/50Hz between port of voltage input. 92*192*50(mm)