How Do I Choose Between Mechanical or Electric Gauges?

Mechanical vs. Electric Gauges - Differences

Mechanical Gauges:

  • Mechanical gauges do not require power to operate.
  • They can use power for lighting purposes though.
  • They make direct physical contact with the item they are reading.
  • Mechanical gauges can have noise to them.
  • Some might have a slight rattle as there are moveable gears, pins, or pivot points inside which may cause noise.
  • It can have a jumpy or have an erratic sweep.
  • Generally less expensive.

Electric Gauges:

  • No large connectors and tubing coming out the back.
  • It can be mounted in more unusual positions without connections showing.
  • Easier to install in tight areas.
  • Easier to install a great distance from the item being measured.
  • Stops fluids from entering the passenger compartment.
  • The pointer sweep is more smooth and seamless.
  • Generally more expensive.
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