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Owl USB CM160 Electricity Monitor Compatible with Windows 10

4.2 out of 5 stars 254 customer reviews
| 32 answered questions

Price: £42.95
Sale: £38.95 & FREE Delivery in the UK. Details
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£38.95 & FREE Delivery in the UK. Details In stock. Sold by EnergyMonitorWorld and Fulfilled by Amazon.

Frequently Bought Together

  • Owl USB CM160 Electricity Monitor Compatible with Windows 10
  • +
  • OWL CMA113 Standard Sensor Fior Economy 7 Users or 3 Phase
  • +
  • OWL CMA116 Large Sensor to Fit Cables 10mm - 17mm Diameter
Total price: £61.55
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Product Information

Technical Details
Part Number TSE004-001
Item Weight181 g
Product Dimensions10.5 x 3 x 11.5 cm
Batteries:Lithium Metal batteries required. (included)
Item model numberTSE004-001
ColourWhite
ShapeSquare
Power SourceBattery
Item Package Quantity1
Special FeaturesCompatible with Windows 10, Up to 71 amps per phase (100 - 400 volts)., Supported Currencies: £, €, $, ¥, F, P, R, & Kr., Detailed data transfer to a PC or laptop, Includes free software download.
Included ComponentsCompartments Included
Batteries Included?Yes
Batteries Required?Yes
Battery Descriptionbattery_type_aa
Weight180 Grams
  
Additional Information
ASINB004BDNR84
Best Sellers Rank 20,519 in DIY & Tools (See top 100)
Shipping Weight739 g
Delivery Destinations:Visit the Delivery Destinations Help page to see where this item can be delivered.
Date First Available31 Aug. 2010
  
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Product Description

Product Description

OWL+USB shows you just how much electricity you are using, how much this is costing you and how much carbon is being generated; now with the added benefit of allowing you to track this valuable information via your PC. With a new simplified menu, enhanced memory capability, minute by minute data storage and an ultra high speed data download time that makes tracking your electricity consumption now even earier. OWL+USB offers detailed historical data and now features average readings either daily, weekly, monthly or quarterly, plus a 21 year rolling history storage capacity. All in one handy display. Start saving with OWL+USB today.

Manufacturer's Description

OWL+USB shows you just how much electricity you are using, how much this is costing you and how much carbon is being generated; now with the added benefit of allowing you to track this valuable information via your PC. With a new simplified menu, enhanced memory capability, minute by minute data storage and an ultra high speed data download time that makes tracking your electricity consumption now even earier. OWL+USB offers detailed historical data and now features average readings either daily, weekly, monthly or quarterly, plus a 21 year rolling history storage capacity. All in one handy display. Start saving with OWL+USB today.

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
A simple clip-on power meter with a handy remote display lets us know how much electricity we are using, how much it is costing, and how much CO2 is being produced. The desirable option of USB connection to the computer allows for usage profiles to be saved and compared, and the supplied software helps us in this task. The transmitter can accommodate up to three clip-on current sensors, allowing use with three-phase electricity.

The wireless range is good and the display on the hand held unit is big and easy to read. Setting up the receiver/handset is simple, and several of the default values were already correct for UK making life even easier.

However, I was less than convinced about its accuracy. So I made up a short extension lead with the neutral wire brought out in a loop for the meter to clamp around, and I tried some simple tests.
1. A fitting containing four 15Watt low-energy fluorescent bulbs - a nominal 60Watts: the meter suggested they were taking 111Watts, almost double the rated power!
2. A freezer rated at 100Watts: it showed 63Watts. Hmm.
3. A plasma screen rated at 300Watts displaying a static test pattern: it flipped between two readings, either 223Watts or 447Watts! What?!
4. A kettle rated at 2000Watts: it went from 2100Watts to 1900Watts, cold to boil, exactly as expected.

I have just compared the readings on my electricity meter with those of the CM160 for 24hour's usage, and the CM160 was 28% high. All of my lighting is low energy fluorescents (but see Addendum 11 for 2014 update), so perhaps they are the main reason for the excess power reading. But I don't know for certain, and I guess it might be something to do with power factors.
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Verified Purchase
We bought this because with 4 teenagers in the house, our energy bill was spiralling out of control. We wanted to get everyone involved in trying to reduce costs and thought that this might help. Well it most certainly does! Took only 10 minutes or so to set up and could instantly see the cost of what was on in the house. We left it running for a week and carried on as usual, noticing when the monitor was particularly high (electric shower, double oven, tumble dryer). We then went around the house switching off all the TVs on standby, lights in unoccupied rooms, computers not being used etc to get the baseline cost as low as possible. As we switched things back on we watched the monitor to see which appliances made the cost jump. We've been able to work out the cost of leaving lights on or a computer all day when no-one is even in the house. After the second week we downloaded the data to the PC and bingo second week's cost was quite a bit less than the first! All the kids have been suggesting ways of reducing costs so it's been really helpful.
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Verified Purchase
I was looking for a means of keeping track of my energy usage particularly as I have just had a new heating system installed and wanted to be able to monitor its efficiency. This little gadget was easy enough to install however I did have a slight problem at first because I have solar PV panels on the roof and when I first put the clip on the cable it was measuring my production as well as my usage. I emailed OWL and they quickly responded and advised me that by moving the sensor I could just record usage. I then decided it would be useful to get a second OWL to record my solar PV production. That was great until I discovered that the software didn't like me having two identical monitors so I sent another quesion to OWL. Again I got a speedy response telling me how to fix the issue or offering me the chance to beta test their new software allowing me to link up both units seamlessly to the laptop. I chose the latter and they very quickly sent me the software which worked perfectly.

I am really impressed, not just by the units ability to record data and transfer it to the PC but also by the exceptionally helpful customer service I have had from OWL. I definitely recommend this product, it has certainly made me aware of which items use the most electricity and made me much more conscious of using off peak where I can and switching things off when I am not using them.
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I bought this product to monitor the production of electricity from a domestic solar array. I already have Efergy Elite energy meter for the house usage so can compare the functions of these two devices. I will not comment on the accuracy of the readings etc since there is already a really excellant review by Richard Stevens on this.

The OWL meter is a data logger so will record and store values of power usage at 1 minute resolution for up to 1 month. When connected to a computer the meter will give a live output every 10 seconds and the stored data is an average of 6 values. I found it very simple to set up and the connectivity between the sender (in my roof for the solar array) and the display has acceptible range; the display works anywhere in the house. The software was installed under windows 7 (64bit) and worked first time; I seamed to have less problems than Richard Stevens with the software; I guess they have brought out a better version with some fixes.

The monitor display shows the instantaneous power usage (or CO2/cost) and the power usage since the meter was reset along with the date and temperature.

As a simple meter it has some limitations compared to the Efergy Elite; actually because it does more technically. In the Efergy Elite you can easily review with a single button press the power usaged today, yesterday and so on for 1 week. The same goes for weekly usage and monthly usage. The OWL requires you to press buttons about 7 times to set up the start date and date range before it display the usage for the day/week/month/year. If you just want to see what power you used today/yesterday then it is tedious and requires the instructions every time due to the complexity of multiple button presses.
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