DIYElectronic 0.28 Digital 4 Bit Red plusRed Dual LED Display Voltage Current Meter DC 0-33V/0-3A Voltmeter Ammeter

1. Technical Parameters 1). Weight: 21g 2). Display color: Red+Red 3). Display mode: Dual 0.28 LED digital 4 bit tube 4). update rate: About 200 ms/time 5). Physical size: 48 x 29 x 21 mm (L*W* H) 6). Opening size: 45 x 26 mm (L*W) 7). Supplyvoltage: 3.5-28V 8). Lead wire length: 14 cm (Five wires) 9). Measurement range: DC0.00-33.00V (voltage, Resolution 0.01v ) 0.000-3.000A (current, Resolution 0.001A) 10). Operation temperature: -10 degrees~65 degrees 11). Current measurement accuracy: ± (0.3% + 2words) 2. Instruction Of Wiring 1). Red thin wire (VCC): Power input+ 3.5-28V (NOTE: If the measuring signal is lower than 28V and have abundant power 2). supply, it can be used as power supply for the module [black wire and yellow wire are contacted together to use]) 3). Black thin wire(GND): Power input- Measurement signal - 3.5-28V 4).Yellow thin wire (VIN): Measurement signal+ (0-99.9V) 5). Red thick wire (I+): Current input+ (connect with load negative) 6). Black thin wire(I-): Currentinput-(in series in power supply negative) 3. Wiring Instruction Voltage current meterin the measurement system for power supply|4. Products Picture Display