#1: Monitoring the power useage from appliances


After investigation regarding the power monitor plug, I went out and purchased two. Over the following weeks (22 November 2006 till mid-December), I will be plugging in items of equipment to measure the amount of power consumption in daily use. Normal useage and standby amounts will be noted where possible. Results will be reported back later on.

Devices will include:

1. NEC Accusync LCD 72xm LCD displays – we’ve got over 20 of these and it’ll be interesting to see how much power they consume especially if left on standby over night

2. Netgear switches – several of these which run 24/7

3. Wireless access points – again we have several of these which run 24/7

4. Computers – a mixture of laptops and desktops. Some are switched off at night, others aren’t.

5. Coffee machine – in all seriousness this runs for 5 days a week, 7 hours a day. Its quite old and probably very inefficient.

6. Printers – remain switched on 24/7. They’re all pretty new so have built in energy saving functionalities, but just how efficient is that?

7. Fridge – we’ve got three and only one of them is very new. We don’t have SavaPlugs attached to the other two (elderly) ones so who knows how much they currently cost to run. Fitting a SavaPlug and then comparing would be very interesting…

8. Fax machine – obviously on 24/7, but with an energy-saving mode.

9. Telephone system – runs 24/7.

10. Electric fan heaters – this might cause a serious headache!

11. An ‘Insect-O-Cutor’ fly zapper – runs 24/7.

12. Phone chargers – interesting to also see how much is used when the charger is plugged in but not charging anything.

I won’t even consider our server room yet. 😉


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