2.5-30V DC voltmeter

Rated 3.50 out of 5 based on 4 customer ratings
(7 customer reviews)

$5.90 $3.90


V27D two-wire 2.5-30V DC voltmeter
Three color: Red / Green / Blue
1-30pcs, the unit price is USD3.9
30-100pcs,the unit price is USD2.9


1, the voltage meter wiring is simple, just take two lines, the table has a reversal protection, if reverse does not burn.

2, the voltage meter starting voltage is low, the red just 2.5V, green only 2.7V, Blue3.0V  simply can properly measure, in line with the price of two start voltage voltmeter called the world’s lowest. This will greatly facilitate the lithium battery, 18650 battery and other users. When the voltage is lower than 3.5V, the display brightness diminishes, but does not affect the correct measurements.

3, To achieve the best measurement accuracy, the measured voltage voltmeter different according to automatically move the position of the decimal point. When measuring voltages below 10V, display two decimal places; measuring voltage above 10V, displayed after a decimal point. That is able to take care of the battery on the measurement accuracy of the user’s needs, but also take into account the need for higher voltages measured.

4, the voltage meter can be used in motorcycles, cars and other monitoring battery voltage, battery status grasp. Voltage measurement may also be used for other purposes.

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Technical parameters:
Dimensions L 48x W 29x 22mm thick
Hole size 46x27mm minimum input voltage is below the minimum measurement inaccurate or does not show
Lead Length 15cm maximum input DC30V (above this voltage burn danger)
Gross Weight 25g

Measuring range red DC2.5-30V, green DC2.7-30V, Blue 3.0-30V
Precise tolerances below 10V to 0.01V, 10V or more accurate to 0.1V, allowing error of 1% (+ / -1 characters)
Display three 0.56 “LED digital tube
Selectable display color red green blue
Refresh rate of about 500mS / times
Power supply No power supply
Current consumption is less than 20mA, generally 5-15mA
Operating temperature -10 ℃ ~ 65 ℃


Additional information

Weight 0.1 kg
Dimensions 10 x 6 x 4 cm

7 reviews for 2.5-30V DC voltmeter

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