The Fluke 434-II/BASIC is the most advanced electrical tester for troubleshooting and preventive maintenance applications. It combines the functionality of a digital multimeter, insulation tester, and continuity tester into one compact, handheld device. The 434-II/BASIC is the only tester on the market that can measure AC/DC voltage, resistance, capacitance, frequency, and insulation resistance up to 1000 V. It also features a built-in flashlight and a large, backlit display for easy viewing in low-light conditions.