The Amprobe AD40B Mini-Clamp Ammeter is a compact and low-cost tool for measuring current in a circuit or in an electrical system. Great for commercial and standard testing applications, this ammeter offers a 400-ampere AC range. It also has a ten milliamp resolution.
The AD40B ammeter features a one-inch jaw opening which allows safety current reading. Also, it features an auto-range and data hold mode for a hassle-free operation. This ammeter has an over voltage category of CAT III - 600V for safety purposes.
For an easier data reading, the Amprobe mini-clamp ammeter boasts a 3-3/4 digit LCD display that show a maximum reading display up to 3,999 counts. It uses two AAA alkaline batteries that allows the instrument to operate up to 300 hours. As an extra feature, the Amprobe AD40B has an auto-off function to extend battery life.