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PowerCost Monitor TM


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  • Wireless system provides real-time feedback of whole house electricity usage.
  • Studies have demonstrated that real-time feedback yields energy savings anywhere between 10 and 20 percent.
  • Compatible with all electromechanical and digital meters (inc, AMR, AMI, and Smart Meters).
  • Easy installation by average homeowner in approximately 20 minutes.
  • Toll Free manufacturer customer phone support and limited one year warranty.
6 new from $59.99 3 used from $69.99

Product Details

  • Shipping Weight: 3.4 pounds
  • ASIN: B000RBEGTS
  • Item model number: BLI-24000
  • Average Customer Review: 3.2 out of 5 stars  See all reviews (36 customer reviews)
  • Amazon Best Sellers Rank: #122,758 in Electronics (See Top 100 in Electronics)

Product Description

As unobtrusive as a small electric clock, the PowerCost MonitorTM is a powerful real-time direct feedback display device that measures home electricity usage. It tells at a glance, in real-time, how much electricity your home is using in dollars and cents and in kW. Domestic energy use studies have demonstrated that real-time feedback yields energy savings anywhere between 10 and 20 percent. The savings at the high end of this range are realized when a tabletop energy display device, such as the PowerCost MonitorTM, is used. The PowerCost MonitorTM technology consists of two discrete functional units: A detection unit, known as the sensor unit, is affixed to an existing household utility meter with a simple ring clamp. The sensor unit is compatible with standard North American digital and electromechanical meter types. This is the only component of the PowerCost MonitorTM that will be in direct physical contact with the utility's meter and the clamp mechanism allows it to be attached to the outside of the meter glass. It can also be quickly attached and detached without making any changes to the existing meter. The display unit, located inside the home, receives a wireless signal from the transmitter and displays the consumption information in real time and in dollars and cents. Other information is also displayed such as time and outside temperature. Considerations before you order: The PowerCost MonitorTM uses a wireless signal (433 MHz) to read the information on your utility meter. This means that your utility meter must be located next to your home or within 30 meters (100 ft) of your home. The PowerCost MonitorTM can be easily used in a single detached dwelling, a duplex dwelling, or a row or town house. Thie PowerCost Monitor will not work with net metering applications such as wind and solar, or on a business meter that uses demand pricing.


Customer Questions & Answers

Customer Reviews

This was not as good as I was hoping.
D. Burnham
This is exactly what happened to my unit, and within 2 months the silicon portal for the communication LED showed signs of water in the compartment.
Jon Wojan
We got one of these some time ago, and installed the outdoor unit outside on the electric meter (as it needs to be set up).
Andrew J. Lundberg

Most Helpful Customer Reviews

60 of 60 people found the following review helpful By Mike Jalkut on November 3, 2007
When I first tried to set up the PowerCost Monitor I had some difficulty. But with the OUTSTANDING support from Blue Line Innovations it is finally working. I can see where some folks have given less than glowing reviews. Without understanding how the system works, it would have been easy to give up.

First of all, I had a hybrid meter, the m200 or something, which has a digital display and an infrared eye which reflect an actual internal old-fashioned wheel. No matter what I tried, I couldn't get it to work. I tried reading the infrared as well as reading the actual wheel from the top. Nothing.

So I emailed BlueLine, received almost an immediate reply . . . and they went out of their way to help. They had me send a photo of my meter. And they helped me try everything in the book to get it to work. Still nothing. We were both about to give up.

And then a thought occurred (a rare event for me). The plastic housing on my PG&E meter was decades old and showed it. The years of weathering had made it difficult to read even the big digital numbers through the housing. I suggested I call PG&E to have it replaced. Three days later I had a shiny new PG&E meter, but a different model. This one only had the digital readout and an infrared eye. The wheel was completely enclosed. And the worst part -- it was bigger around, soo big that the metal strap on the sending unit could no longer reach all the way around it to fasten the unit to the meter.

A trip to the hardware store fixed the size problem. And then when I set up the sending unit to read the infrared readout, lo and behold, it worked. And the wheel simulator on the receiving display matched time with the wheel simulator on the meter.
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52 of 53 people found the following review helpful By Jon Wojan on March 5, 2008
I got one of these units for Christmas and hooked it up and used it for a couple of months. The unit is excellent for evaluating the cumulative and individual usage of devices around the home as well as trending and seeing the impact of various energy saving techniques such as replacing incandescent with CFLs, validating when someone has left a room without turning off the lights, turning off your computers at night and so on.
The base station takes 15-30 seconds to update a change in electrical consumption. This may be due to my use on my mechanical electrical box with the rotating metal wheel. Because in my install it counts the rotations of the wheel in the meter, it must monitor an entire rotation to note a change in speed, and thus the change in electrical consumption. This might be quicker on the newer electronic meters.
The unit does not automatically reset statistics at the start of a new month, which means you must do it manually if you want accurate month long statistics by staying up until Midnight on the last day of the month. If you do not do the resets the unit will continue accumulating statistics indefinitely, which makes it difficult to correlate the unit's information to your electrical bills.
As others have noted, the communication to the unit is heavily dictated by the use of other wireless devices in your home. I have two other outdoor temprature sensors that run on the same frequency and this would produce situations where the unit would occasionally drop connection to the outdoor sensor. The only way to work around it is to move the base station closer to the outdoor sensor or move the the other wireless devices away from the area.
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24 of 25 people found the following review helpful By J. M. Barbera on July 18, 2007
It works reasonably well, but it's clearly version 1.0. I'm sure they will get better. The big limitation is the 433 MHz wireless link between the meter reader and the remote display unit. If you have any other 433 MHz devices in your house, the effective range will be only a few feet.

Most remote temperature and weather monitors operate at 433 MHz.
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11 of 11 people found the following review helpful By A. Stevenson on June 27, 2007
I just received my monitor from Nstar about 2 weeks ago. I live in boston and they had a promotion on where I could get it for $30, so I figured I would give it a try. I can't get over how neat it is.

The set up was pretty easy, took me about 15 minutes or so, a little fooling around installing it on my meter. But once I had it set up I was able to see right away how much power my house was using. It has become addictive over the last 2 weeks. I am constantly checking it to see how much money I am spending. Although sometimes I wish I didn't have it because when I turn on my clothes dryer the cost sky rockets I cringe.

I check it everytime before I leave the house to make sure everything is off. I know that if it shows more than $0.04 I have left something on, usually the light in the closet or bathroom fan.

All in all, I am pleased with the monitor, especially for only $30. But be aware, it can become addictive.
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18 of 20 people found the following review helpful By RichBoston on September 5, 2007
Got this for $10 from my electric company or I would have returned it. Feels like a beta version. I've found it to be very inaccurate. Needs to have a setting to save data between billing dates. This would allow you to easily match against your elecric bill and see how well it works. Doing so manually means having to clear the amounts and save tha data on paper on the same day each month. Of course this means you won't do it.

When the power goes out briefly (thunderstorms etc.) this has to be reset at the meter as it doesn't start up gain when the power comes back on.

I could take this to the moon but the range indicator always shows the strongest signal - so that's useless.

Even when we lose power this always shows a minimum power cost of $0.05 per hour. Shouldn't it be $0.00?

It's not a bad unit who-dinkey but needs improvement and refinement. It's an impressive package of goods when you open the box but unless you get a deal through your utility and like gadgets, save your money.
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