Power saving in Standby – is it worth it?

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  • January 12, 2012 at 4:19 pm #12692
    Anonymous
    Inactive

    Good to be back in the friendliest Hummy forum (yes, that’s brazen buttering up!).

    I’m always keen to use less power and th book says that with power saving “On” the unit uses less than 1w in standby. The drawback is that you can’t use the TV because the aerial pass thorough isn’t powered. Does anyone (Barry?) know how much the unit uses in Standby with power saving “Off” – is it worth the inconvenience?

    I asked Customer Support (?) but haven’t had the courtesy of a reply after a week.

    January 12, 2012 at 4:41 pm #29722
    Barry
    Moderator

    Measurements taken with my own meter similar to this:

    http://images.maplin.co.uk/full/N67FU_2.jpg

    0.4W power saving on

    3.8W power saving off

    January 12, 2012 at 4:47 pm #29723
    myhumax
    Participant

    I use a hamster to power the box in standby… I might have to upgrade to a rabbit if I want to turn powersaving off 😆

    Any chance of values for it when viewing an HD channel, and when viewing one HD channel, and recording another HD channel? (I’ve mis-placed my power meter…)

    January 12, 2012 at 4:56 pm #29724
    grahamlthompson
    Participant

    Extra 3.4W say 16hrs/day. That’s 3.4 x 16 x 365 watt hrs = 19856 or 19.856 units. Say 16p/unit about £3.20/annum. :-)

    A passive splitter to retain low power sby will just about pay for itself in 12 months (unless of course the OP already has one)

    January 12, 2012 at 5:01 pm #29725
    Barry
    Moderator

    20.5W viewing one HD channel

    21.0W viewing one and recording another HD channel

    January 12, 2012 at 5:02 pm #29726
    Anonymous
    Inactive

    Due to power factors and distorted waveforms it is very difficult to measure the power a unit takes in standby, I have connected the HDR to the electric meter in my house with all other appiancies disconnected (The old spinning wheel sort) and measured the power over a 1 Hour period. With power saving on it drew 0.5 Watts and with powersaving off it drew 1.5 Watts

    January 12, 2012 at 5:05 pm #29727
    grahamlthompson
    Participant

    ezra pound – 2 minutes ago  » 

    Due to power factors and distorted waveforms it is very difficult to measure the power a unit takes in standby, I have connected the HDR to the electric meter in my house with all other appiancies disconnected (The old spinning wheel sort) and measured the power over a 1 Hour period. With power saving on it drew 0.5 Watts and with powersaving off it drew 1.5 Watts

    Make that 2 years to pay for a splitter :-)

    January 12, 2012 at 5:25 pm #29728
    Anonymous
    Inactive

    Barry – 38 minutes ago  » 

    Measurements taken with my own meter similar to this:

    http://images.maplin.co.uk/full/N67FU_2.jpg

    0.4W power saving on

    3.8W power saving off

    So, according to my calculations, if it was on standby for the whole time (which it won’t be of course!) you’d save about £3.60 in a year at 12p per unit. Think what you could do with that!<g>

    WT

    January 12, 2012 at 5:56 pm #29729
    Anonymous
    Inactive

    Thanks for that – what’s a passive splitter, I might get one for the wife?

    January 12, 2012 at 6:20 pm #29730
    Anonymous
    Inactive

    It is good to see efforts going into knowing power consumption and hopefully reducing the impact on the planet.

    January 12, 2012 at 9:17 pm #29731
    grahamlthompson
    Participant

    dragnil – 3 hours ago  » 

    Thanks for that – what’s a passive splitter, I might get one for the wife?

    Sadly does not work with females :-), only uhf rf signals.

    http://www.screwfix.com/p/labgear-2-way-splitter-with-power-pass-all-ports/99105

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