The wrist strap tester is complete personal ground test system.The tester will verify the connections while the strap is still on the operator's wrist.

Specifications:

Standard 35MΩ for wrist strap.
LED display resistance value(+5%)indicator
Test voltage:Regulated 8 volts DC
Relative humidity: 0% to 90%(non-condensing)
Accuracy:± 5%
Weight:145g
Feature: battery low indicator