UCTRONICS 0.28 Inch Mini DC Voltmeter 2 Wires 2.5-30V LED Display Digital Voltage Tester Meter, 5 Colors

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  • Pack of 5: red (2.5-30V), yellow (2.5-30V), blue (3-30V), green (2.7-30V), white (3-30V), each color 1 piece.
  • Mounting Hole Center Distance: 1.02” (26mm). Wire Length: about 6”.
  • Can be calibrated: the screw on the back can be tuned to calibrate. Reverse Polarity Protected: it will not be burned when the connection is reverse.
  • The decimal point shifts automatically: the meter shows two decimal places when measuring the voltage below 10V; it shows one decimal place for voltage above 10V.
  • Note: the input voltage must not exceed 40V, otherwise there is a danger of burning!

UCTRONICS 0.28 inch mini digital voltmeter is a 2-wire DC 2.5-30V voltage tester meter. It lets you simply and accurately measure the voltage of motorcycles, automobiles, 18650 batteries, lithium-ion batteries of mobile phones, Ni-MH Batteries and other battery packs.


Detection Voltage: DC 2.5V ~ 30V

Working Voltage: DC 2.5V ~ 40V

Display: 0.28” LED

Wire Length: about 6”

Mounting Hole Center Distance: 1.02” (26mm)

Refresh Rate: about once per second

Accuracy: 1% (+/- 1 digit)

Operating Temperature: 14 ~ 149 °F(-10 ~ 65 °C)

Color: 1 pcs red (2.5-30V); 1 pcs yellow (2.5-30V); 1 pcs blue (3-30V); 1 pcs green (2.7-30V); 1 pcs white (3-30V)

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