498 Wrist Strap Tester


498 Wrist Strap Tester

● Model: MARK  498
● MOQ:  50 pcs

Can be used anywhere to quickly and easily check grounding systems, such as wrist straps and 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.


Indication Standard Impedance Sound
Low (red) R < 800KΩ No
Good (green) 800KΩ ≤ R ≤ 9MΩ Yes
High (red) R > 9MΩ No



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