This Micro Ammeter offers a straightforward 2-wire connection. The meter senses and gets powered by a coil that slips over the wire being measured. It comes with an AC current transformer and features a backlit meter face for easy reading. Warning: This product may expose you to chemicals like di(2-ethylhexyl)phthalate (DEHP), known in California to cause cancer, birth defects, or other reproductive harm. Visit P65Warnings.ca.gov for more info. Owner's Manual (pdf).

Using this micro ammeter is easy. First, make the simple 2 - wire connection as described. Then, slip the coil over the wire you want to measure. The meter will sense the current and power itself up. You'll be able to read the measurements clearly on the backlit meter face. As for maintenance, keep it in a dry place and avoid any physical damage. Also, be aware of the warning - this product can expose you to harmful chemicals, so handle it with care. If you have any questions, refer to the included owner's manual.