1. Can Test Wrist Strap. 2. Can Test Foot Strap. 3. Simple, lighth and small size than usually combo tester.

Combo ESD tester 18393 

Human body synthesizes static  1. Dual test circuit, can both test wrist strap, foot  Strap;2. Wrist strap range:   750KΩ~10MΩ, Foot Strap range:  750KΩ~100MΩ3. Green light mean circuit resistance is OK while red light and     audible indicator mean the resistance is too high or too low;4. 9V battery powered with low battery indicator;5. Accuracy: ±5%;6. Size: 140W*80L*40Hmm7. 18393 is tester only. 18393A is tester with stand.

ESD Wrist Strap and Foot Strap Tester