15a-plug-in-energy-saving-monitor

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15A Plug In Energy Saving Monitor

Code: L61AQ


4.6  out of 5 based on 10 reviews
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  • Measures voltage (V), amps (A), watts (W), volt-amps(VA), hertz (Hz) and power factor (PF)
  • Great for seeing how much power your appliances are consuming
  • Maximum current: 15A / maximum power: 3750VA

Product details

15A Plug In Energy Saving Monitor

• Measures voltage (V), amps (A), watts (W), volt-amps(VA), hertz (Hz) and power factor (PF)• Great for seeing how much power your appliances are consuming• Maximum current: 15A / maximum power: 3750VA• Large, clear LCD screen

Specifications:
Function Range Accuracy
Typical Max
RMS Voltage 180-250V rms 0.002 0.01
RMS Current 0-15.00A rms 0.003 0.01
Active Power 0-3750W 0.005 0.02
Line Frequency 47.0-63.0 Hz 0.1Hz 0.02
Power Factor 0.00-1.00 0.01 0.03
Power Consumption 20W max

Reviews

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10 of 10 Reviews

  • Good service over the years

    Bought one of these from Maplin a few years ago (3-5?). Has been very useful. Appeared to be accurate, e.g. with 100 watt old-style lamp and 2.5KW kettle, and with nothing plugged in registered 0 watts. However now, after not using for a few months the display is only just visible and it registers 11 watts with nothing plugged in. Maybe an internal battery is running out, or it's just anno domini. Accurate readings at low wattages are important these days to measure stand-by power and the like. Will probably buy another. Usually have to press Watt button several times or hold it in to get watts displayed. Other outputs less useful to me.

    Was this review useful?  Yes No  0 1

  • Unit failed

    I had been very pleased with this monitor, but my unit has just failed. For example, when plugged into a mains socket, it displays 194.4V and 32W when there is nothing connnected to the unit. I don't need to get my oscilliscope out to confirm that this is rubbish since the unit would be very hot if not smoking if it really was using 32W! I admit that I have had the unit for a year or two, but I doubt that it has been used moreAt a discounted than 50 times, and for no more than a minute or two on each occasion, so it really should not fail this early. Mine is marked model 2000MU and Prodigit with a serial number SH 09848.

    Was this review useful?  Yes No  2 0

  • Very useful

    This proved very useful after the storms just before Christmas. We had a TV and a burglar alarm system blow input mains fuses and an induction hob that showed a code saying that the voltage was out of range. Plugging in this monitor showed that that voltage was varying between 258 and 298 volts (yes 298 volts). Vague memories of past electronic engineering degree and a search on Google said this was probably a neutral fault in the three phase overhead supply. At third attempt, SSE were persuaded of this and the fault fixed.

    Was this review useful?  Yes No  1 1

  • Very useful device. I have used it to measure standby power used by TV/Sky box, power consumption on my home server and even at work, where I wanted to measure current draw on one of the rigs. You may not want to use it for accurate measurements but to know if you are well below the 13A mark, this will do the job.

    Was this review useful?  Yes No  5 1

  • A very useful item, it shows you the exact use you put on your home gadgets and equipment.

    Was this review useful?  Yes No  3 3

  • It's what I needed. Very useful.

    Was this review useful?  Yes No  4 4

  • Had this for a number of months now. Very simple to clip transmitter onto mains cable at meter and to set up. Gives full details of total energy use in my home and allows me to check past usage. Keeps a history log of energy use and costs and makes you think hard about leaving appliances on standby, especially when you see what it is costing you. Just buy one, you wont be dissapointed.

    Was this review useful?  Yes No  13 32

  • good accuracy for the price

    Was this review useful?  Yes No  8 3

  • Measures everything you want about power consumption as well as the nature of the load and the voltage and frequency of the mains. Two small things would improve it. When disconnected from the mains (eg power outage or accidental switch off) it loses its cumulative power usage. It would be helpful if there an inbuilt light so that the readings can be seen in the awkward places where some sockets are located.

    Was this review useful?  Yes No  37 1

  • I'm finding this very useful as a tool to show my children just how much electricity they waste when they leave things on when not in use. I tell them that the more we save on bills, the more we can spend on them - and it's really working!

    Was this review useful?  Yes No  26 4

Questions

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10 of 12 Questions

  • michael arnell said:

    Does the plug in monitor Code no: l61AQ come with European plugs for use in France. Many Thanks Mr.M.R.Arnell

    No sorry this product does not support that.

    Was this answer useful?  Yes No  2 0

  • John Taberner` said:

    Can this device be used for commercial use if everything runs from a 240v plug or is there a 15amp limit. For example I have a commercial dishwasher running off a 240V plug with 35amps. Will the device measure usage?.

    This can only be used with devices up to 13a.

    Was this answer useful?  Yes No  2 0

  • David Beacham said:

    I have a garage with power coming from the landlords garage via an extension. Everything comes from one plug and I run light,radio and occasional poertools. Will this be suitable to tell me how much I'm using?

    Yes the product does support that.

    Was this answer useful?  Yes No  1 0

  • F. Woods said:

    Will this device safely measure the energy consumption of a domestic hot water immersion heater?

    No sorry this product does not support that.

    Was this answer useful?  Yes No  0 0

  • jez said:

    can it remember a weeks worth of readings even if it is switched off at the mains each night?

    Yes the product does support that.

    Was this answer useful?  Yes No  5 3

  • Garth said:

    Can I program it to record energy usage info for a specific time period, eg. 20min, 1 hour, 28 hours? If not do you have a product that is able to do this?

    No sorry this product does not support that.

    Was this answer useful?  Yes No  0 0

  • Ian said:

    Is it ok to use this device to measure the electricity consumption through a modified sine wave inverter

    The unit is not recommended for use on a modified sine wave i am afraid.

    Was this answer useful?  Yes No  1 0

  • Billy said:

    does it have any fuse?

    Yes the product does have a fuse.

    Was this answer useful?  Yes No  1 0

  • Bill Crawford said:

    Does the product have battery back-up such that it can be removed from the socket and the information still read?

    Unfortunately not.

    Was this answer useful?  Yes No  1 0

  • Bill Crawford said:

    Is this product suitable for appliances with very low power usage (eg mobile phone charger) and intermittent use (eg fridge / iron)?

    Yes, the range is from 0-15A (0-3750W).

    Was this answer useful?  Yes No  1 0

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L61AQ 15A Plug In Energy Saving Monitor (1+) £19.99

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