Product specifications:
Supply voltage: 4.5V-30VDC
Measured voltage: 4.5V - 100V DC
Maximum precision: 0.1 V
Measured current: 0-100A
Maximum precision: 0.01A
Accuracy of measured values: 1%
Standby consumption: <20mA
Refresh rate: 300 milliseconds
Operating temperature: -20 - +65 °C
Display size: two displays, 0.28 inch, 7-segment LED
Dimensions: 48 x 29 x 21mm
Mounting dimensions: 46x27mm, snap-in (press-fit) mounting
Digital DC Voltmeter and Ammeter M3430 is used for measuring DC voltage within the range of 4.5 - 100VDC. Below 4.5V the voltmeter does not work, above 100V - it will burn out. Reverse voltage protection is available. The device power supply is in the range of 4.5 - 30VDC. The power supply and measurement circuits are separate, be careful when applying voltages!!! The device also measures DC current, within the range of 0 - 100A. Current measurement is performed via a shunt resistor (included in the kit). Quiescent current consumption is approximately 20mA. Voltage is displayed on a 7-segment LED display, with a total of 3 digits per value. Installation is achieved by pressing into a hole with approximate dimensions of 46 x 27mm.
- Thin red wire: VCC, do not exceed 30VDC
- Thin yellow wire: VIN, measured voltage
- Thin black wire:GND, common ground
- Thick red wire: I+, positive current input
- Thick black wire: I-, negative current input



- Small module size allows for easy integration into devices
- Reverse voltage protection
- Low current consumption
- Easy readability of readings
- Automotive and industrial applications
- Monitoring and control of DC voltage and current
The device may measure only one of the two values!