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Old 26-08-2006, 08:05 PM
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What make bulbs are these?

What range is the UV light in nm?

How far away should the light be?

What is the actual output of the bulb?

Sorry for all the questions..... as you know all bulbs are not creeated equal and just need to check some details first.

Thanks

Andy
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Old 26-08-2006, 08:11 PM
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Quote:
Originally Posted by andyj5447
sorry i am English and that still doesnt mean much to me! So basically if you reduce the power i.e. on a thermostat the UV will be reduced?
YES

To what sort of level would it be at a low temp? If it uses only 20% of its power,UV will be reduced not accordingly,you will probably get btw a 30 and 50% efficiency as far as i remember my optical and physics courses.

I always thought these bulbs were good for uromastyx and things like that who like it really hot but were no good for cooler things as the bulb wouldnt be bright and the UV output would be reduced. But I dont know for sure this is just what I have been told along the way sort of thing.
Well for Uromastyx as you know they bask for some time during the day but there are times they don't.Also the sky in the wild is not always perfectly sunny so I think it perfectly imitates natural conditions.My conclusion is that they are perfect for Uromastyx and beardies,professional breeders use similar stats and lamps here.
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Old 26-08-2006, 08:18 PM
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i arent saying they arent good i was wondering how much diffferent they are to the ones you can buy in most shops here I wouldnt mind knowing the the rate of UV at a lower temp as I wouldnt mind using them in my ackies viv. I know the sun isnt out all the time but if you used this bulb it would be reduced every day of the year so would it still be powerful enough UV? I arent trying to trip you up or having a go i am just interested if they are any good
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Old 26-08-2006, 08:19 PM
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Quote:
Originally Posted by andyb5
What make bulbs are these?

Sorry not to give you the precise make,they are difficult to find but i tbh make a little benefit from it and i don't see the evil making a little money while offering ppl from this forum very interesting prices.Hope you will understand.

What range is the UV light in nm?

How far away should the light be? it's mentionned above :wink:

What is the actual output of the bulb?

Sorry for all the questions..... as you know all bulbs are not creeated equal and just need to check some details first. ->perfectly true
Thanks

Andy
I have data from my friend with his UVmeter (professional UVmeter from Germany,with very acute results):

900 uW/cm² après les 10 premières minutes d'allumage ( 10 minutes after switching on )
500 uW/cm² après 1 an (after a year)
115 uW/cm² après 2 ans (after 2 years)


as for wavelengths,here is what this family of lamps gives off,with little variations from one type to another.



I hope you will be satisfied with the answers and order some soon . :wink:
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Old 26-08-2006, 08:26 PM
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Quote:
Originally Posted by andyj5447
i arent saying they arent good i was wondering how much diffferent they are to the ones you can buy in most shops here I wouldnt mind knowing the the rate of UV at a lower temp as I wouldnt mind using them in my ackies viv. I know the sun isnt out all the time but if you used this bulb it would be reduced every day of the year so would it still be powerful enough UV? I arent trying to trip you up or having a go i am just interested if they are any good
I understand you are not trying to split hair and i have no problem answering you :wink: .
Please consider that all stats only work when needed:so at early hours of the morning,when animals need to warm,the UV quantity will not be affected by the stat.It's very difficult to give you precise values when the stat is dimming the light,it depends on too much things:ambient temps,% of power reduction,ect.

But to give you an example,I had Hoggar Uromastyx (U. geyri ) for 3 years with absolutely no stat : if the viv is large enough,say 4ftx1 1/2 ftx 1 1/2 ft,the 160W power of the lamp would give the required values both on the cool end and at the basking spot without any stat.A heating wire (50W) was used for the floor,and this was connected to a stat,thus providing with the necessary heat variations.Is that all clear now?
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  #16 (permalink)  
Old 26-08-2006, 08:36 PM
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Thanks for taking the time to respond....I appreciate it.

Wasn't trying to steal the thunder from ya m8 by going direct to the source.... more wanted to compare other owners results with this and with other bulbs.

The wavelengths you have stated:

900 uW/cm² après les 10 premières minutes d'allumage ( 10 minutes after switching on )
500 uW/cm² après 1 an (after a year)
115 uW/cm² après 2 ans (after 2 years)


At what distance is that measured?

Bearded dragons and desert animals only get about 350 - 450uW/cm² during 2-3 hours of peak sunshine 900 uW/cm² would soon become damaging!
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Old 26-08-2006, 08:36 PM
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not really lol! I understand you can have a uro without a stat as they will like it pretty hot. From what I know of MV bulbs they cant be used with stats this is what the makers and the brands like PowerSun recommend so i cant see how these are different? I knw the prices you have given are competitive too :wink: But also I cant help but think if the UV is good to a foot and a half then when the lizard isnt basking and is away from the bulb will it not be getting no UV? I dont know maybe I should shut up!
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Old 26-08-2006, 08:49 PM
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Andyb5: tests were made at 2 inches distance,sorry I forgot to quote it,obviously you will leave about 4 times that distance to avoid your animals being burned and there will be no problem.

Andyj5447:you know when you are buying Powersun or similar lamps labelled "for reptile use" you will pay much for Zoomed,advertising,ect...My lamps are very similar but not using these marketing stuff-so the interest is similar performances for much lower price.Think of when you buy a bag of reptile sand for £10 in a pet shop and you find the same as playsand for £2 in a DIY shop-same interest and use,only the price differs. :wink: And for your last question hopefully all lizards do not need CONSTANT UV exposure,they just have to be provided with a light source with sufficient UVs to cover their needs,they will go basking when they need to,and won't when they don't have to. :wink:
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  #19 (permalink)  
Old 26-08-2006, 08:53 PM
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i wish i could speak or write french this might be easier lol! I was meaning the big firms like ZooMed etc say on their MV bulbs that they should NOT be used in conjunction with a thermostat I understand yours are the same but not as expensive but why can you use stats on yours but not theirs? Like if someone isnt going to use a stat in a smaller viv they would be better getting the smaller wattage bulb.

p.s. I have more boa pics if your interested :wink:
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Old 26-08-2006, 09:00 PM
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Quote:
Originally Posted by thorrshamri
they just have to be provided with a light source with sufficient UVs to cover their needs,they will go basking when they need to,and won't when they don't have to. :wink:
Think what Andyj5447 is trying to say m8 that if the temp rises too much and the stat kicks in and reduces power to the bulb then the UV wont be available in sufficient quantities!

Is there anyway you can get an accurate reading at 1.5 ft? Just so I can get a reference point to work from.... Also if you can take reading for Andyj5447 at different power setting it might set his mind at ease as well
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