With 64 mm jaw size, a3003 clamps around large, high current conductors and measures up to 2,000 A DC. Fostering accurate measurements without interrupting workflow, a3004 measures 4–20 mA signals without breaking loop and features detachable clamp with extension cable for measurements in tight locations. Both instruments record and store up to 65,000 measurements with logging feature and wirelessly send data to Fluke Connect®-enabled master units and Fluke Connect mobile app.