Portable Wrist Strap Tester, Low/Good/High Lights

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.

• Can be used anywhere to quickly and easily check a variety of grounding systems.
• Ensures employee safety.
• Eliminates product defects caused by static electricity.
• Unit quickly and simply checks all the following:
  1) Wrist straps & grounding wires.
  2) The contact resistance between the wrist strap and the skin.

Specifications:

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