• Resistance: low, <500K Ohms; good, 500KΩ-10MΩ; high, 10MW
• Measures: 3-1/5" x 4-1/2" x 1-1/2"
• Power: 9V battery required
• Ensures employee safety

The Techni-Pro 758ST8507 Portable Wrist Strap Tester can be used anywhere to quickly and easily check a variety of grounding systems. It eliminates product defects caused by static electricity. Simply connect the grounding wire and press the pad. If the grounding system is safe, the green "GOOD" lamp will light up and an audible signal will be heard.

Unit quickly and simply checks all the following:

1) Wrist straps & grounding wires.

2) The contact resistance between the wrist strap and the skin.