SMAKN 4 Bit DC0-33v/3A Voltmeter ammeter-RED+GREEN
Display color: Red+Green Display mode: Dual 0.28" LED digital 4 bit tube Refresh rate: About 200 ms/time Dimenions: 48 x 29 x 26 mm (LW H) Cutting size: 45 x 26 mm (LW) Supply voltage: DC 3.5-28V Lead wire length: 14 cm (5-wires) Measurement range: DC 0-999.9mA-3.000A(current); 0.00-33.00V(voltage) Operation temperature: -10 degrees~65 degrees Measurement accuracy: ± (0.3% + 2 digits) Net weight : 22g Display description: Voltage measurement range:0.00-33.00V; the minimum resolution is 10mV Current measurement range: 0-999.9mA-3.000A. when the measuring current is below 1A, it display .mA,the resolusion is 0.1mA; when the measuring current is higher than 1A, it display .A,the resolusion is 1mA; Wiring Instruction: RED(VCC): Power input+, 3.5-28V (NOTE: If the measuring signal is lower than 28V and have abundant power supply, it can be used as power supply for the meter. black wire and yellow wire are contacted together to use) Black(GND): Power input- , Measurement signal- (3.5-28V) Yellow(VIN): Measurement signal+ (0-33.00V) RED(I+): Current input+ (in series in Power Supply Negative or Load Negative) Black(I-): Current input- (in series in Power Supply Negative or Load Negative) Package include: 1x 0-33.00V/0-3.000A Volt Amp Meter
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