– Can be used anywere to quickly and easily check griunding systems, such as wrist straps anf grounding wire.
– Touching the mat with your hand when grounding wire is connected.
– The green “Good: indicator will be on and buzzing when you have a safe grounding system.

Indicator:  Low (red)

Standar Impedance:  R < 800KΩ
Sound: No

Indicator: Good (green)

Standar Impedance: 800KΩ < R < 9MΩ
Sound: Yes

Indicator: Hight (red)

Standar Impedance: R > 9MΩ
Sound: No