Hioki clamp meters are best-in-class measuring devices incorporating Hioki?s expertise in current sensing technology. Model CM4371-50 is a 600 A True RMS clamp meter that features stronger jaws, and an IP54 dustproof and waterproof enclosure to enable professionals to work quickly in tough situations including the development, repair, and maintenance of equipment and devices such as electric vehicles. Additionally, the high voltage DC measurement capability of up to 2000 V (*1) is ideal for the clamp maintenance inspections of electrical and solar power equipment.