• Monitor energy consumption from any appliance plugged into a socket • Great for seeing how much power your appliances are consuming • Can display th Google+

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Terms & Conditions

Plug-in Electricity Cost and Usage Calculator

code: N67FU

4.0 out of 5 from 2 ratings

ONLY GBP£9.99

Plug-in Electricity Cost and Usage Calculator

N67FU

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  • Monitor energy consumption from any appliance plugged into a socket
  • Great for seeing how much power your appliances are consuming
  • Can display the cost of electricity and power used
  • Large LCD display
  • Set up in less than 2 minutes
  • Up to 9 different types of data displayed
  • Memory function
  • Maximum current 13A / maximum power 3120W

By simply entering the unit cost of your electricity and plugging an appliance or extension lead into the power monitor, the LCD screen enables you to easily see the cost of the plugged in appliances. It allows you to see useful data such as: cost generated by a socket, tariff, power factor, kilowatt hours used (as found on your electricity bill), active watts consumed, apparent power, voltage from the socket, amps used and frequency of the electricity (mains power is normally 50Hz).

Technical specifications:
Ratings: AC 100 V-240 V / 50 - 60HZ / maximum13A
Range of the measuring power: 0.2W - 3120W;
Range of the measuring voltage: 90V - 250V (tolerance: ±(1%+1))
Range of the measuring current: 0A - 13A (tolerance: ±(1.5%+25))
Range of the measuring frequency: 50 - 60Hz (tolerance ±1)
Range of the displaying amount of electricity used: 0.001 - 9999kWh
Range of the unit price setting: 0.00 - 99.99 / kWh
Operating temperature: -10 to +40 °C
Humidity: 85%RH
IP rating: IP20
Up to altitude of 2000m (indoor use)
one text, video or picture review per month will win a £50 gift card

Customer Reviews for Plug-in Electricity Cost and Usage Calculator

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Having purchased a new type of electric heater that was supposed to be much cheaper to run than other types, we wanted to check the electrical usage.

We chose this model as you can imput your exact kwh cost and it also tells you your actual cost you are using.


I am that pleased I am going to buy another heater tomorrow and go to Maplin for another monitor so I will know just what bills I have to pay with no nasty surprises.

GREAT PRODUCT, very highly recommended, thank you Maplin for your service and prices.

5 out of 5

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10 of 10 people found this review helpful

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I purchased two of these so I could monitor two different appliances at the same time. For example, I monitored my tumble drier and freezer for a week and was suprised to find the freezer used up a lot more electricity. Unlike the devices which monitor your home consumption, this can be used to home in on one particular appliance. Besides energy consumption, the device also displays mains voltage, current and power, so you can compare the actual power of a device with the manufacturer's figure. However, the device is quite fiddly to set up. It has a small display that I find difficult to read - especially in a dark corner (which is usually where my power outlets are). You'll need a torch. The device can only monitor appliances that plug in, so it can't monitor my oven or fitted washing machine. I tried to use it to monitor the power used by my computer but it kept triggering the RCB circuit breaker next to my electricity meter. I don't know why. So it's a reasonable good device if you have good eyesight and need to monitor simple appliances which plug in.

3 out of 5

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9 of 10 people found this review helpful

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Customer Questions about Plug-in Electricity Cost and Usage Calculator

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Q: Does the device allow for a usb data logger to supply load data to a PC/computer?

rachel - 09/02/2010

Maplin says: No sorry this product does not support that.

Q: Can this product be programmed to measure day and night costs seperately in order to take into account the price differences of those two periods?

Arne Knutzen - 14/01/2010

Maplin says: No sorry this product does not support that.

Q: Does this product allow you to measure the power used on a plug ONLY by the item connected (excluding the power used by this item itself)

John - 14/12/2009

Maplin says: Yes the product does support that.

Q: Will your plug in unit display the voltage being supplied to my house ?

Paul Hales - 28/11/2009

Maplin says: Yes the product does support that.

Q: Where can I find the instructions for this device please?

Tomas - 24/11/2009

Maplin says: These can be found in the "download centre" on this item web page

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Shop With Confidence

We offer a 28 day returns policy. We want our customers to be 100% satisfied every time they shop with us, should you change your mind we are here to help.

If you are not completely satisfied with your purchase, you can return the item to us in its original condition within 28 days of receipt and we will issue a full refund, or replace the item, if preferred.

We offer two ways to return a product either visit any one of our stores nationwide or by post which ever you prefer. For further information about our returns policy visit our help page if you wish to return an item please visit our returning an item help page.

Delivery Options

United Kingdom Options

Price Option Delivered
FREE Reserve for store pickup Ready for collection within 20 minutes✝
FREE all orders over £35 1-3 working days
£2.99 all orders under £35 1-3 working days
£Variable Shutl Now ASAP within as little as 90 minutes***
£Variable Shutl When Delivery within a 1 hour time slot on a date you choose✝✝
£5.99 Next working day – anytime 6pm*
£10.00 Next working day – noon Midday*
£13.50 Next working day – am before 10.30am*
£15.00 Saturday Delivery before noon**

Republic of Ireland Options

Price Option Delivered
£8.50 Standard delivery 2-3 working days

Rest of World Options

With regret we are unable to ship to any other destinations at this time

✝ We will confirm to you by email/text message when the store has reserved the items for you. Reserved items will be held at the store until the end of the next working day after you receive notification. If the store is closed your request won't be processed until the next time they're open.

* Please ensure that your order is completed before 4pm the day prior to delivery needed (Mon-Fri)

** Saturday deliveries can only be placed before 4pm on the Friday before the scheduled Saturday delivery.

*** The Shutl express delivery service is only available if your order meets certain requirements. If it's available it will be displayed as a selectable delivery option during checkout.

✝✝ Date selection is limited to 14 days in advance including the current day. Selectable time slots are 1 hour long and vary depending on the date and delivery address.

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The prices below are per item and exclude VAT.

N67FU Power Cost Meter (1+) £8.325

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As you can see, our range of services is comprehensive and built to service every type of business need. We are committed to providing your business with 1st class sales and customer service.

Our aim is to establish mutually beneficial long-term relationships where our customers receive a high class of reliable service.

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