Feeling environmentally conscious? Worried about rising fuel and electricity costs? Cut down on those costs and find out which of your appliances, lamps and computers are actually are costing you the most! Just plug them into the Kill-A-Watt electricity usage monitor and it will tell you how efficient they are. The Kill-A-Watt’s easily-readable LCD display measures consumption by the kilowatt-hour, just like the electric company.
Calculate electrical expenses by any period while checking the quality of your incoming power by monitoring the voltage, like frequency and power factor. Now you'll know if it's time for a new appliance, or whether new items touted as "energy saving" are actually doing their job.