Amprobe Test Tools is a leading manufacturer of electrical test and measurement instruments, founded in the late 1940s with the invention of the clamp-on ammeter. Headquartered in Everett, Washington, and operating as a brand of Fluke Corporation, Amprobe has over 60 years of expertise in portable test tools. The company's core business focuses on providing reliable, high-performance instruments for electrical contractors, maintenance professionals, and HVAC technicians. Amprobe's product portfolio includes a wide range of digital multimeters for measuring voltage, current, resistance, capacitance, and temperature. Additional product lines feature clamp meters, voltage testers, circuit tracers, insulation testers, and earth ground testers. Specialized instruments include power quality analyzers for harmonics analysis and ultrasonic leak detectors for industrial maintenance. The brand is renowned for its rugged and user-friendly designs that meet stringent safety standards. With distribution in over 100 countries, Amprobe holds a strong position in the handheld test tools market, competing with brands like Fluke and Klein Tools. Amprobe's innovative clamp-on technology remains a hallmark of the industry, and its products are widely used in residential, commercial, and industrial applications. The company continues to expand its product range, offering over 250 items to meet evolving field requirements.