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Dusk/Dawn 70/35 lux

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  • 20-11-2014 4:05pm
    #1
    Howlin
    Registered Users Posts: 199 ✭✭


    Hi all,

    I am wanting to put up a light in my yard. I would like it to come on close to Dusk and off close to Dawn. From the light sensors that I have seen, it shows that the would come on at 70 lux in the evening and off at 35 lux in the morning. I live in the South East and from what I have seen, this would equate to either 4,147 or 4,150 hours of lighting a year. Does anyone know if I can get a different light sensor that would allow the light to turn on at say 50 lux and off at 20 lux and rough-fully how many hours would the new light sensor save me?


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    #2
    2011
    Moderators, Home & Garden Moderators, Technology & Internet Moderators, Regional East Moderators Posts: 12,595 Mod ✭✭✭✭2011


    You could install one of these. Much more reliable, offers lots of flexibility, neater and reduced installation time.


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    #3
    Par1
    Registered Users Posts: 263 ✭✭Par1


    What exactly would be the purpose of the light sensor? the reason i ask is the 20-50 lux application seems a low ish light setting and very narrow range. You would need a light source to take range from 20-50 lux unless waiting for daylight which would be hard to determine exactly. Would a timer not be of any use? as it could be more reliable.

    These sensors can go from 2 - 2000 lux and are very good quality...
    http://www.steinel.net/RelId/607600/ISvars/default/Specifications.htm


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