The Fluke T90/T110/T130/T150 Electrical Testers (the Tester or Product) are voltage and continuity testers with a rotary field indication (T110/T130/T150 only). Their primary use is for test and measurement in industrial, commercial, and household environments. This Product complies with the most recent safety standards for safe, reliable test and measurement. The fixed test probe cover prevents the risk of injury when you move the instrument.