10db piros LED Panel Meter Mini digitális voltmérő

1.Wide measurement range 0-99.9V.
Red LED display.
3.Low power consumption.
4.Refresh speed: 500ms.
5.Snap on design for easy installation.
6.led colors:Red.
7.Refresh speed: about 500ms/each time.
8.Power supply:DC 4.5v - 28V. Working temperature: -10â„ - 65 â„.


About how to use the item

Red line:Power Supply + (4-30V )
Yellow line:Measure Voltage +
Black line:Power Supply -, Measure Voltage-

Red: positive power supply, you need access to power within the positive range DC 4.5-30V
Black line: Public negative, both powered anode is measured with reference to the negative
Yellow Line: Measuring signal input positive
Package Included:
10 x Red LED Panel Meter Mini Digital Voltmeter DC 0V To 99.9V TOP
10pcs Red LED Panel Meter Mini Digital Voltmeter DC 0V To 99.9V TOP