The Fluke 319 and 317 are designed with ergonomic concepts, shaped to fit your hand and to access tight spots easily. These small and rugged clamp meters are ideally suited for current measurements up to 1000A in tight cable compartments. The Fluke 319 and 317 also offer AC/DC current measurements and have a higher resolution for loads below 40A. In addition to a compact package with a strong feature set. The Fluke 319 is also equipped with In-rush current and Frequency functions for testing motors, lighting, etc.