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Extech's 30A Clamp Meter is a versatile and reliable tool for professional electricians and DIY enthusiasts alike. With its clamp-on design, this meter provides accurate readings of both AC and DC current up to 30 amps. The digital display makes it easy to read measurements quickly and accurately, while the built-in audible continuity test ensures that wires are correctly connected. Whether you're checking power usage in a commercial building or troubleshooting an electrical issue at home, this clamp meter is up to the task. Its durable construction and user-friendly features make it a valuable addition to any toolbelt. Buy Extech item #380942-NIST from our huge selection of Electrical Testing Tools to show your support for our 🗽 Patriotic Veteran-Owned Business.