Red Blue Digital LED Mini Display Module DC 3.3-30V 0-300V Voltmeter Voltage Tester Panel Meter Gauge Motorcycle Car 3 Wires(White Cover-Red)

AmmetersAttention:The power supply voltage of the instrument should not exceed 30V, and enough safety voltage space should be reserved;DC0- 100V, DC0-300V: When the measured value is less than 9.9V, only two digits will be displayed; when the measured value is greater than 9.9V, only three digits will be displayed.DC0-600V: When the measured value is less than 99V, only two digits are displayed; when the measured value is greater than 99V, only three digits are displayed.Technical Parameters:Dimension:48*29*21 mmMounting hole:45.5*26.5mmPower Supply:DC3.3-30V<;20mATestvoltage:DC0~300VDisplay mode: 0.56 "LED with red/blue/green digitsMeasurement accuracy: 1% (± 2 digits)Measurement rate: 500mS / time.Features:With threewires,the wiring is simple, the installation is convenient.When there is a small tolerance, you can calibrate by the potentiometer on the circuit board.With polarity protection function for meter power supply.With three wires, can be connected to cars,e-bikes or motorcycles.Red wire: Power supply Positive terminalBlack wire: Public Negative terminal(Power supply and test negative terminal)Yellow wire: Testing terminal

• Ammeters
• Red Blue Digital LED Mini Display Module DC 3.3-30V 0-300V Voltmeter Voltage Tester Panel Meter Gauge Motorcycle Car 3 Wires