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ac monitor Customers Reviews

  • Pretty good, very similar to Kill-a-watt P4400

    posted by Barkfin

    I bought a Kill-a-watt P4400 on sale from Amazon for $20 + $10 postage, and this one was for $23 + $0 postage, so which one would you say is cheaper?Mine is called the JXD-2013 (not JNX-2000 as shown in the photos). Fundamentally it looks identical to SKU #108141 except it has non-Chinese symbols.It measures voltage, amps, watts, and power factor (Power factor is the ratio of real power to apparent power). The Kill-a-Watt measures frequency, and shows real power as W and apparent power as VA. If the load consists of a heater, which only consumes power and never returns power dynamically to the grid, then apparent power = real power and power factor = 1.0.Both the kill-a-watt and the JXD measure accumulated time and kilowatt hours of the load.The JXD-2013 has a backlight and has a calculator function to measure the cost to date for powering the load. The cost is in Yuan per kilowatt hour, default it is 0.700 Yuan per kWhr, mine is $0.080 per hour, I was able to update that easily.
    This one is not bad, but if you watch you can easily get a kill-a-watt for practically the same price.The device came in a gift box! I guess to the Chinese this would be a pretty good gift, I hear they are stereotypically frugal even as much as the Scottish! Ha ha that is only a joke.One thing this has is an alarm function, if the duty cycle is too long or the power draw too high, it flashes the red light alarm to notify you your refrigerator is konking out.
    Buy the kill-a-watt on sale, it's a better made device.
  • A useful power meter

    posted by serangoon55

    The productor come with power socket that can accept most type of power plug whihc is good. The instantaneous power reading is accurate. The usage over 1 hour, 1 day are also accurate. I have not tested the usage over a month.
    The power plug at the back is a Chinese plug whcih found you to use an adaptor. If they can shipped with different power plug will be better
    A useful and working power measuring tool
  • Static Remover and Demagnetizer

    posted by ssrtt

    Never intended to use it for degaussing CRT TVs, but for demagetizing and removing static.Works like a charm for my CDs, Lps cables, tubes for my sound rig.Its simple to use: plug in and start zapping. 10secs on each side of the CDs/Lps and its done. Can never listen to unzapped CDs/LPs once you have heard the difference. Makes playback of recorded music sound alive, musical and surreal!
    Electromagnetic wave could be harmful?
    Do justice to your music collection by zapping them, esp LPs! DO NOT USE ON YOUR Cassettes! And remove your watch! Happy zapping!
  • Very useful

    posted by mukherjee

    Great build quality---Feels solid and easy to holdClear and intuitive display---No problems in obtaining readingsIlluminated display---Dark/Low illuminated areas pose no problems Fast readouts---Ready within 5secsLarge number of readouts--Voltage,Amperes,PF,Wattage,KwHLarge power capacity---15A they sayLow self power consumption---Less than 0.5WFast and free DX shipping---Icing on the cake
    Attractive price and functionality.In todays world of high power tariffs,helps to cut down on wasteful energy expenditure
    Great buy.Must have.Dealextreme provides excellent products at rock bottom prices!!!

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