The Fluke 393 FC CAT III 1500 V TRMS Clamp Meter with iFlex is designed for technicians who work in high voltage DC environment, such as solar arrays, wind power, electric railways, data centers battery banks for uninterruptible power supplies. The clamp will measure up to 1500 V DC, 1000 V AC, and up to 999.9 A DC or AC through the clamp jaw. The included iFlex flexible current probe extended AC current measurements up to 2500 amps. This clamp has a thin jaw, giving you access to cables in crowded combiner boxes. Test leads are designed with your work in mind and are also rated to CAT III 1500 V DC.