ARMADA TECHNOLOGIES PRO-30 DIGITAL MULTIMETER:

The Pro30 Digital Multimeter is a basic tester for identifying wiring faults. Multimeters are fantastically handy for determining if the electrical characteristics of a circuit are in parameter. For example, by setting the Pro30 to VAC and to within the 110 volt range, inserting into a wall outlet, a technician can quickly determine the actual voltage available at that outlet. Very inexpensive (less than $20), everyone who works with electricity should have a Pro30.