A multi-function meter is an electrical instrument installed in panels; this device measures various electrical parameters such as voltage, current, power factor and active power. A multi-function meter is usually involved in settings which require an exact, reliable measure of electricity. Apart from monitoring, this device comes in handy in various industries to track energy consumption and cut unnecessary costs. Moreover, multifunction meters are perfect for troubleshooting a wide range of electrical mishaps in power supplies, wiring systems etc.