Don’t buy P3 International P4400 Kill A Watt Electricity Usage Monitor until you read this.

P3 International P4400 Kill A Watt Electricity Usage Monitor is simply amazing. 20% of our electric bills come from items that are left plugged in when they are not in use, or items that are in standby mode. You can get actual figure of  your electrical uses by the day, week, month, even an entire year. You will able to check the quality of your electricity by monitoring voltage, line frequency, and power factor.

Using P3 International P4400 Kill A Watt Electricity  Usage Monitor now you can cut down on your electricity costs and easily find out what appliances are actually worth keeping plugged in.

Another very cool feature of  P3 International P4400 Kill A Watt is you can calculate your electricity uses bill before you even receive it from the electric company. Plug whatever item you want into the device and it will tell you the efficiency of that item by displaying the kilowatt per hour.

Vital Facts You Need to Know Before You Choose Your Electricity monitor

  • Voltage (volts): voltage is equal to energy per unit charge. Voltage can be measured by a voltmeter. The unit of measurement is the volt.
  • Current (amperes): The SI unit for measuring the rate of flow of electric charge is the ampere. Electric current is measured using an ammeter.
  • Watt: The unit measures the rate of energy conversion. It is defined as one joule per second.
  • Kilowatt-hours (kW·h): The kilowatt hour, or kilowatt-hour, (symbol kW·h, kW h) is a unit of energy equal to 1000 watt hours or 3.6 megajoules. The kilowatt hour is most commonly known as a billing unit for energy delivered to consumers by electric utilities.
  • Frequency (Hz): Frequency is the number of occurrences of a repeating event per unit time. The SI unit of frequency is the hertz (Hz), defined as one cycle per second.
  • Volt-amperes (V·A): A volt-ampere (VA) is the unit used for the apparent power in an electrical circuit, equal to the product of root-mean-square (RMS) voltage and RMS current.
  • Power factor (PF): The power factor of an AC electric power system is defined as the ratio of the real power flowing to the load to the apparent power, and is a dimensionless number between 0 and 1 (frequently expressed as a percentage, e.g. 0.5 pf = 50% pf)

Let’s Take a Look in More Details

The P3 International P4400 Kill A Watt Electricity Usage Monitor is 5 inches tall x 2.25 inches wide x 1.5 inches thick (not counting electrical prongs) and weighs 5 ounces. The bottom front portion contains an electric plug receptacle, and the bottom rear has a typical US three prong (grounded) plug. The device is intended to act as a meter, going between the item that draws power and the power source – a typical wall outlet.

To show the information there is a  (measured diagonally) LCD screen as well as five rubberized buttons. The buttons are marked, from left to right: Volt, Amp, Watt/VA (Vrms Arms), Hz/PF (Power Factor), KWH/Hour. Under the row of buttons is a simple speaker that will chirp when a button is pressed (and the KAW is plugged in).

To begin using the Kill-A-Watt, you simply plug it into a wall socket and then insert the plug for the electronic device that you wish to monitor.

LCD display: Large LCD display will count consumption by the Killawatt-hour, same as your local utility. The LCD shows all meter readings: Volts, Current, Watts, Frequency, Power Factor, and VA. The unit will start to accumulate KWH and powered duration time (hour) after power is applied.

Volt Key: Press Volt Key for true RMS Voltage (Volts) display.

Amp Key: Press Amp Key for true RMS output current (Amps) display.

Watt/VA Key: The Watt/VA Key is a toggle function key. Press the Watt/VA key once to display Watt meter, then press key to   display VA   meter.   The   LCD   will   display Watts   as   the   active   power,   where   VA   is   the   apparent Power. (VA=Vrms Arms)

HZ/PF Key: The HZ/PF is a toggle function key. Press the HZ/PF key once to display the frequency (Hertz), then press key to display the Power Factor. HZ is the Frequency of output Voltage, where PF is the Power Factor (PF=W/Vrms Arms).

KWH/Hour: The KWH/Hour is a toggle function key. Press the KWH/Hour key once to show the cumulative energy consumption since power was applied to the unit. Then press key to display the cumulative time since power was applied to the unit.

Consumption will be displayed in Kilowatt-Hours (from 0.01 KWH to 9999 KWH). Time will initially be displayed   as   Hours: Minutes   (from   00:00)   and   switch   to   Hours   (to   9999).   Counters   will   recycle   to   zero when they reach their maximum. To reset, remove power from unit momentarily.

How Much Should You Pay for this kill a watt monitor?

The price of this p4400 kill a watt electricity monitor has remained consistent for just about every electricity monitor retailer on the net at around $29 to $52. I have seen it cheaper but lately I have noticed that this is becoming a rarity. I guess that’s because this p4400 kill a watt is so popular. We check prices regularly and have always found the best price at Amazon. However, they often sell out as this is a popular set so if you see it in stock on Amazon and at a good price it is worth grabbing.

Can this Kill A watt Monitor be used in foreign countries?

This meter can only be used where the power supply is rated at 120V and 60Hz (e.g., North America). This device cannot be used directly in European electrical outlets.

  • All P3 International meters will operate at 108 – 125 VAC and 50/60 Hz.

Manufacturer:

P3 International is a privately owned manufacturer of solution oriented consumer products which founded in 1987 and experienced steady growth over the past decade. P3 products have been featured in newspapers such as The New York Times and The Wall Street Journal and anticipating even more media exposure and consumer recognition.

Does it Come With a Warranty?

A limited Twelve (12) months warranty is included and covers defects in material and workmanship under normal home use from date of original purchase.

Any Limitations?

  • All the P4400’s measurements are lost when it is unplugged or when there is a power failure. Indeed, unplugging the P4400 is the only way to reset the time and power consumption accumulators
  • It does not display frequency or apparent power, but it does have a configurable over current shutdown limit

Where Can I Get the Best Price?

I check prices regularly for this p4400 killawatt electricity usage monitor and by far the best price has always been at Amazon. However, because they are generally the cheapest, it often sells out quickly, so don’t think about it for too long if you see they have some in stock.
Let me show you what current owners have to say about it.

Phillip R.
I bought the electricity monitor after getting two high electricity bills in a row. Different results I found rather surprising. My air cleaner uses  85 Watt all the time … 85 * 24 hours * 30 days / 1000 watts = 61.2kWhr * $ 0,20 = $ 12.24 per month. I never thought it’s quite expensive every month and this is only the beginning.
My Vornado air conditioning fan uses a 45W ,high 6 (out of 12) spikes up to 1200 watts. My computer is in standby mode with external hard drive consumes about 250 watts. Time of  intensive things like video encoding  takes 310W.

My light behind my computer desk, with 5, 10-watt bulbs, not just 50 watts using a whole. No, it takes 50 watts of light bulbs to work, PLUS 30-Watt just for the lamp unit.
Also I found all these things, I never knew and potentially save money by cutting out or replace energy hogs.

Review paraphrased for size- view original review here.

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