Mini Digital Voltmeter Ammeter DC 300V 10A Panel Amp Volt Voltage Current Meter Tester Detector 0.28'' Dual LED Display(White Cover)

AmmetersTechnical Parameters:Supply voltage: DC3.5 ~ 30V<;20mA;Display mode: 0.28 "LEDInstallation opening: 45.5*26.5 mmMeasurement rate: 500mS / timeMeasurement accuracy: 1% (± 2 digits).Features:The wide power supply range, with reverse polarity protection.Display voltage and current on thescreen at the same time.The decimal point automatically shifted.The testingsideand the power supply sideof the negativeis connected(excepttheisolation meter).With a voltage calibration potentiometer, current calibration potentiometer, you can calibrate by yourself.The tolarance is absolutely exist.Good anti-interference ability, showing the refresh speed.With five wires,connection is convenient,used to monitor the battery voltage,can be also used for other products.Meterpower supply: two-wire terminalsBlack wire: Negative power supply.Red wire: Positive power supply.Testing side:three-wire terminalsCOM(black wire): Test common terminal(TheCOMis commond negative of voltmeter and ammeter)V +(redwire): Test positive voltage inputA +(yellowwire): Test positivecurrent input.It can only be connectthe loadnegative and load power negativeSuitable for "10A or less",noneed a shunt:Only suitable for electric bicycle:Working conditions:Operating temperature: -10 ~ +50 Working humidity: 10 ~ 80% (no condensation)Working pressure: 80 ~ 106kPaSun exposure: no direct exposure

• Ammeters
• Mini Digital Voltmeter Ammeter DC 300V 10A Panel Amp Volt Voltage Current Meter Tester Detector 0.28'' Dual LED Display