Ultra Small Volt Gauge – Green


Availability: In Stock


SKU: GAU-021 Categories: , Tags: , ,


This ultra small volt gauge allows for a separate power source from what it is monitoring; meaning the gauge can read right down to 0V without shutting off. To connect this gauge simply connect the Red wire to a positive pole on an external power source, the Black wire to the ground pole of the external power source and the ground of the circuit you are monitoring, and the Yellow wire to the point which you would like to measure voltage (see attached diagram).

The gauge has two 2mm mounting holes spaced 26mm apart.



  • Dimensions: 30 x 12 x 8.5mm
  • Display: 0.28″ 3 digit green
  • Operating voltage: 3.5V to 30V DC power
  • Weight: 5g
  • Wire Gauge: 28AWG
  • Operating current: Less than 20mA
  • Refresh rate: ~0.5 second
  • Measuring range: 0 – 30V
  • Operating temperature: -10 ℃ ~ 65 ℃
  • Mounting Holes: 2mm diameter




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  Difficulty Level

Soldering Skill: N/A
Prototyping Skill: Beginner
Programming Skill: N/A

  Product Certifications

  Product Attributes

Weight: 7 g

  Warranty Policy

This product has a 30 Day Warranty from the date of delivery. The item must not be modified, abused, incorrectly hooked up, or used for purposes outside the original scope of design.

  Return Policy

This product is returnable Within 14 Days of delivery for a store credit. Item must be unopened, unused, and in re-saleable condition.

More Information:
For more information on our Warranty and Return Policies, please consult our   Terms of Service


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