DC 0~100V 0-10A 0-20A Voltmeter Ammeter Dual Meter DC LED Digital Voltage Current Dual Meter Voltage Tester Volt Amp Panel Meter(Black Cover,DC0-20A)

AmmetersTechnical Parameters:Supply voltage:No additional power supply(Take electricity from the circuit under test)<;20mADisplay mode: 0.39 "LED, red for voltage,green for currentDimensions: 70 × 40 × 30 mmInstallation opening: 68 × 38 mmMeasurement rate: 500mS / timeMeasurement accuracy: 1% (± 2 digits) .Features:The wide power supply range:DC0 ~ 100V, With reverse polarity protection.Display voltage and current on thescreen at the same time.With a back cover,safe ,reliable and dustproof.The decimal point automatically shiftedWith 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:Test common terminal(TheCOMis commond negative of voltmeter and ammeter)V +:Test positive voltage inputA +:Test positivecurrent input,It can only be connectthe loadnegative and load power negative, as shown below.Working conditions:Operating temperature: -10 ~ +50 Working humidity: 10 ~ 80% (no condensation)Working pressure: 80 ~ 106kPaSun exposure: no direct exposure

• Ammeters
• DC 0~100V 0-10A 0-20A Voltmeter Ammeter Dual Meter DC LED Digital Voltage Current Dual Meter Voltage Tester Volt Amp Panel Meter