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Wattson Home Energy Meter
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Code: 4289

Wattson Home Energy Meter

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  • Description
  • Delivery
  • Returns
  • Further Info
  • Video
What Does Wattson Do?
With both numbers and colours, Wattson shows you how much electricity your home is using at any given moment.
Wattson can also store up to 4 weeks of energy-use history which can be downloaded to your computer and viewed using software available for download from the Wattson website.

How Does It Work?
Information from a transmitter attached to your electricity meter or fuse box is beamed directly to your Wattson which instantly displays your current usage.
In fact, for such an ingenious device, Wattson is really easy to install and even easier to use and the instructions are completely free of techno-babble.

Wattson can show energy use in Euros, Dollars, Stirling and Yen as well as Pounds, making it a truly international product.
It can measure single and also 3 phase systems, making it suitable for large houses and even small businesses.

• Portable wireless unit which allows instant reading of electricity use anywhere in the home within approx 30m of transmitter
• Shows how much each electrical appliance uses when you switch it on or off
• Prominent LED digital display shows electricity usage in £s or Watts, easily readable in all light conditions
• Contemporary and cool design, looks great in every pad or mansion
• Coloured mood light, which breathes and pulses, changing colour when you alter how much electricity you use, cool blue for small amount of electricity being used, warning red for high energy consumption
• Change the tariff in line with your bills, currency shown in £, $ or €!
• Handily designed with recycling in mind for when you have finished with it
• Contains an internal battery pack so you can take it round your home to see who’s using what
• Low power mode to extend display battery life
• UK mains 9V dc power charger/converter supplied
• 5W average power consumption, reduced to under 1W in low power mode

Energy Use History:
• Electricity use information stored within Wattson’s internal memory, providing a detailed history of energy use
• Data viewed graphically using Holmes – Wattson’s own personal data sleuth program
• Software both PC and MAC compatible
• Daily, weekly, monthly and yearly views of energy use
• Online community of Wattson users to compare hints and tips for saving energy

Sensor Details:
• Easy to install power sensor, no electrician normally required to clip the sensor to cables from your electricity meter
• Compatible with single and three phase electrical systems, for use in homes of all sizes as well as small business premises. Three phase systems require two additional sensor clips. These are approximately £10 each but are currently unavailable from However, if you are interested in extra clips, please contact us.
• Sensor powered by 4 AA batteries (supplied)
• Variable transmission frequency allows extension of battery life

Renewable Energy:
• Able to measure microgenerated electricity supplies such as Solar Cells or Wind Turbines, providing a greater understanding of net energy use
• Generated energy information shown on Wattson as generated energy, net consumption and total generated to date
• Both generated and consumed energy stored in Wattson’s internal memory
• All data can be viewed via Holmes – Wattson’s own personal data sleuth program
• Simple installation of extra sensor

This item can be delivered to the following zones:
Showroom Collection FREE
Standard Delivery FREE
Next Day Express £6.99
Next Day Before Midday £9.99
Next Day Before 10:30am £17.99
Saturday Service £8.99
Scottish Highlands £13.99
Scottish Islands £13.99
Northern Ireland £13.99
Isle of Man
Isle of Wight & Offshore UK £13.99
Channel Islands £13.99
Ireland / Eire (Republic)
The Netherlands
Slovak Republic

Drinkstuff Returns Policy:

  • 30 Day Money Back Guarantee
  • Faults/Damages must be reported within 3 working days

For full terms, see our Returns Policy

There is no further information for this product.


• 12.5KW max per phase
• 1W resolution of display
• 14 segment LED digital display
• RGB LED full colour ambient light
• 32kb non-volatile EEPROM internal memory
• 433Mhz transmitter / receiver, approx. 30m range
• 3 – 20 second refresh rate, user changeable
• 3 – 6 month battery life (Sensor)
• Up to 3 month battery life (Display)
• USB 1.0 and 2.0 compatible
• USB-A to USB mini-A cable supplied
• Currency changeable: £. $, €
• Casings made from Polycarbonate, Polypropelene and ABS
• Display: 105mm x 170mm x 55mm
• Transmitter: 110mm x 84 mm x 26 mm
• Software Mac and PC compatible

Pack Contains:
• 1x Sensor Clip
• Transmitter
• Wattson Display Unit
• Transmitter batteries (4 x AA)
• Display Charger
• USB Lead

Manufacturer Part Number:
• N/A

• N/A

Sensor Clip: L(approx.) 980mm
Transmitter: L 110mm W 85mm H 28mm
Wattson Display Unit: L 175mm W 110mm H 56mm
Plug cord length: 3000mm
USB cord length: 1750mm
Sensor clip cord length: 900mm

  • Returns
  • Further Info
  • Video

Drinkstuff Returns Policy:

  • 30 Day Money Back Guarantee
  • Faults/Damages must be reported within 3 working days

For full terms, see our Returns Policy

There is no further information for this product.

Customer Reviews
Turn it off
"It's amazing but since we have had Wattson sitting on the side lights get turned off even by the's a miracle product. Makes everyone a little more concious about what they are doing and leaving things on when they are not required. Thank you Wattson."
Andy Robinson - Berkhamsted, 10th February '09
"wattson looks really beautiful and it gives off a realy nice ambient glow to tell me if i'm using too much electricity so i know when to turn off all the lights!
I'm just waiting for the first bill!"
sarah grey - grantham, 21st December '07
"This product is fantastic. I saw it in the Stuff Magazine cool list and was intrigued.
I must admit, I use it to save me a few pennies, but to know I'm helping reduce my carbon footprint is a huge plus.

Oh, and not only does it help me save some energy, it also looks really cool!"
Will - Tyson, 14th December '07