This product is a small voltmeter that can be mounted by two screws. It has a very small error (1%) and has a resolution of 0.1 V. It has a maximum measured voltage of 30 V and is sufficient for most common applications.

This voltmeter is useful in building your own power source that consists of a power transformer and a power-down switching voltage.

Specifications:

• Measured Voltage: 0 to 30 V
• Measured voltage resolution: 0.1 V
• Voltage: 4.5 V to 30 V
• Current consumption: 23 mA
• Error: ±1%
• Refresh rate: 300 ms
• LED Display: 0.36 "
• Impedance: more than 100 K
• Display color: red
• Dimensions: 23 x 15 x 10 mm
• Connections: Black - GND; Red - VCC supply; White - measured voltage