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Wristat Tester
The WT25 WRISTAT Tester is designed to test the integrity of our WRISTAT in a fast, efficient and simple manner. All of the elements of the WRISTAT - continuity of the strap, integrity of the protective resistor, and satisfactory strap to skin contact are easily confirmed by pressing the top cover of the WT25. The operator (wearer) is tested for a resistance to ground of greater than 750K ohms and less than 10M (switchable to 100M ohms). The upper limit notifies you of an unacceptably high resistance value (ie: possible loss of effective dissipation) and the lower limit warns of unsafe low resistance (possible risk of electric shock from surrounding motors, live wires, etc.)Model WT 25-4145.26 is available to comply with DOD HDBK 4145.26. The lower limit is set at 250K and the upper limit is set at 1 MEG (switchable to 10 MEG). Tests are performed in the same manner as the WT 25.
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