2-wires 0.56” DC Voltmeter 4.5-30V

Description

The voltmeter need independent power supply, power supply range is DC 4.5-30V, powered access between the red and black lines,
Firstly the voltmeter shows 0.0, then you can put the red and black line in between to measure voltage.

Features:

• 0.56” Segment LED display header
• Wide measurement range 4.5v – 30V.
• Power supply:DC 4.5v – 30V.
• Mini Red LED display.
• Low power consumption.
• Refresh speed: 500ms.
• Snap on design for easy installation.
• led colors:Red.
• Refresh speed: about 500ms/each time.
• Working temperature: -10℃ – 65 ℃.

Wiring:

• Red line: power supply for voltmeter, you need access to positive power supply in the range of 4.5-30V DC
• Black line: the common negative, the power supply negative electrode, but also measurement of the reference negative
• Yellow Line: measuring the signal input positive

Documentation:

• You can see the product reviews here.