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• Description: 100v/10A Multifunction Tester Voltage Current Time Temperature Capacity Voltmeter Ammeter Electrical Meter Technical Parameters: Voltage size range: DC00 Current size range: DC0 Time measurement range: 0-99h59min Power dimension range: 0-99 Temperature size range: -15 °c ~60°c Capacity accumulation range: 00 Energy accumulation range: 0-9999 Voltage size accuracy:± (0% + 2digits) Current size accuracy:± (0% + 3 digits) Font color: Blue White Product weight: 18 Product size: 48mm*29mm*22mm (L*W*H) Button Function Instruction: In the reveal interface, click the button to switch records set; maintain urgent button to clear the gathered records to zero The factor growing older and temperature variation after long-term use may appear tiny error when it measures small current To avoid this error, you might unplug the current cord socket and keep pressing the button to connect power supply, till the display show &;&;AAA&;&;, then free button Using Isolated Power Supply The two power supplies must be isolated and don&;t join any load The absolute best voltage of remoted power supply is 20V Using DC-DC converter to strength delivery The black skinny twine connects nothing and also you should use insulator wrap it to avoid short circuit The DC-DC converter should be ordinary cathode constitution Using components to energy supply The black thin cord connects nothing and you must use insulator wrap it to circumvent brief circuit Package Included: 1pcs * Electrical Meter

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