The Hioki CM4371 is a 600A True-RMS clamp meter that features stronger jaws, broader -25°C to 65° operating temperature range and 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 1500 V is ideal for the clamp maintenance inspections of electrical and solar power equipment.