SL-035 ESD Wrist Strap Tester Wall-Mountable Anti-Static Wrist Strap Tester with 750KΩ–10MΩ Range. PASS Green Light On: Normal, 750kΩ ≤ R ≤ 9MΩ. Grounding system is safe, and the test passes. Test Range: 750KΩ–10MΩ.
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