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Electronics : Plug-In Power and Energy Monitor Meterfrom: Energy Monitor World
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Editorial Review: Product Description: Average Rating:
 Rating:  - Simple to use, accurate power/energy measurementsThis energy and power monitor does what it says and does it pretty well. I tried two different plug-in meters and this one was by far the best. I didn't bother with any of the devices that are attached to the live cable next to the house's main electricity meter, as these can't measure actual power consumed (i.e. what you're billed for). Only plug-in meters can give you an accurate measure of this, though of course you can't use them to directly measure e.g. showers or cookers as they ... Read More Rating:  - Get a meter with memoryI was disappointed with this meter because it only registers the energy consumption while it is plugged in. A momentary power cut or someone turning the socket off loses the measurements which have been made. This means that at the best of times you have to read the measurements squatting on the floor (or use an extension cable): you cannot remove the meter from the socket before reading it. I was also doubtful about its ability to measure low currents, e.g. the power consumption of transformers ... Read More Rating: - Useful device but no memoryA useful meter for measuring electricity use on a device basis. Its interesting to compare different heaters, computers there can be significant differences between different models. For example a 14" Sony ~35 watts while a 17" Dell laptop is ~65 watts Although if you unplug the monitor you lose the total kwh so be sure to plug it into an easily visible socket, there are more expensive meters which have a small watch battery to store the total kwh. Rating: - Excellent DeviceThis Power meter tells you, the electrical current (in amps with 2 decimal places), voltage, power factor, frequency (in HZ), watts and KWhs used. I find it quite useful. I was able to reduce the standby power used by my PC. I was also able to upgrade my video card and save about 10 watts compared to my old card. It was interesting to see that on standby, my microwave oven uses about 0.4A, but the power factor is so low that only 4W is actually consumed. Examples of use: 1. Plug ... Read More Browse for similar items by category:
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