What a Headlamp Beam Tester Checks

It is used to assess a vehicle headlamp beam alignment and pattern. The exact checks depend on the equipment and inspection procedure.

The terms can be used loosely. Check whether the equipment measures beam aim, electrical operation or another lamp property.

A basic visual check may reveal an obvious problem, but a garage can use suitable equipment to assess alignment accurately.

No, this search is about vehicle workshop testing equipment. Wearable lights are covered by the outdoor headlamps category.