Catalog > Internet of Things (IOT) Related Products > More Platforms Mini Digital Voltage Meter Mini Digital Voltage Meter DPM MINI DIG VOLTMTR 0-100V RD3W HKD 3 WIRE 0.28IN DC 0-100V DIGITAL VOLTMETER RED LED. 19.82 ZAR inc for 1 Each 34 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features 0.28 inch LED screen mini size Can work on 5V 9V 12V 24V electronic parts With 3 cables and reverse connection protection Note 0-100V, it is for using 3 cables. Voltage should below 30V if you only using 2 cables (3.5 – 30Vdc) Connection Three wires 0-100V : Power supply: Red (positive) and black (negative) Measurement: Yellow (positive) and black (negative) Two wires 3.5-30V (power and measure from same source) Red and yellow (positive) Black (negative) Specifications Display mode: Three 0.28 LED digital tube Display color: Green/Red/Blue/Yellow Update Rate: About 500 ms/time Physical size: 30 x 12 x 8.5 mm (L*W* H, including installation ear) Power supply: Don't need the power supply, direct use of the test voltage as a power supply Lead wire length: 10 cm The minimum input : 3.50V The maximum input : 30V Measurement range : DC3.50 - 30V Operation temperature: -10 degrees~65 degrees Measurement accuracy : plusmn (1% + 2 Digit) Mounting holes distance : 26mm Red line : Power Supply +,Measure Voltage +,(3.50-30V DC) Black line : Power Supply -, Measure Voltage