Old 11-09-2008, 02:29 AM #1
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Default keeping a pointer cool

If I found a way to keep my green laser pointer nice and cool would it be possible to run it for as long as the batteries will last? could I just go outside in the freezing cold and wind and keep it on as the barrel of the laser probably won't exceed 60F? I just want to test how long certain types of batteries last under constant stress. I am testing a >130mW alpha from NOVAlasers the power doesn't decline until both batteries are putting out under 1.1V under no stress so I think it only need about 2V to run


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Old 11-09-2008, 02:50 AM #2
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Default Re: keeping a pointer cool

I'm still a noob but even i can guess that it should be possible, how else can manufacturers estimate the batter life of certain things other than a shot in the dark
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Old 11-09-2008, 03:05 AM #3
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Default Re: keeping a pointer cool

Keeping the batteries cool will make them last longer, but wont that effect the laser its self as they don't like cold? I refridgerate my cell phone batteries. lol
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Old 11-09-2008, 03:11 AM #4
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Default Re: keeping a pointer cool

Quote:
Originally Posted by jonrobertd
Keeping the batteries cool will make them last longer, but wont that effect the laser its self as they don't like cold? I refridgerate my cell phone batteries. lol
nothing will get over 60F in this weather and the wind should help dissipate the heat that is generated :P
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Old 11-10-2008, 01:34 PM #5
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Default Re: keeping a pointer cool

Quote:
Originally Posted by maxkillz
If I found a way to keep my green laser pointer nice and cool would it be possible to run it for as long as the batteries will last? could I just go outside in the freezing cold and wind and keep it on as the barrel of the laser probably won't exceed 60F? I just want to test how long certain types of batteries last under constant stress. I am testing a >130mW alpha from NOVAlasers the power doesn't decline until both batteries are putting out under 1.1V under no stress so I think it only need about 2V to run
Your idea of operating them in cold weather won't work. Green lasers have an optimal operating temperature range.
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Old 11-10-2008, 07:23 PM #6
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Default Re: keeping a pointer cool

Quote:
Originally Posted by steve001
[quote author=maxkillz link=1226197777/0#0 date=1226197777]If I found a way to keep my green laser pointer nice and cool would it be possible to run it for as long as the batteries will last? could I just go outside in the freezing cold and wind and keep it on as the barrel of the laser probably won't exceed 60F? I just want to test how long certain types of batteries last under constant stress. I am testing a >130mW alpha from NOVAlasers the power doesn't decline until both batteries are putting out under 1.1V under no stress so I think it only need about 2V to run
Your idea of operating them in cold weather won't work. Green lasers have an optimal operating temperature range.
[/quote]
Yea , and in cold weather it will stabilize just nicely, if not you can help warming it a bit in your hand. :P I used to leave my diy red on for 10-20 minutes at a time on a tripod in the cold.This might not work as well with a DPSS but if you keep it in your hand it should be ok. :-/
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Old 11-12-2008, 03:49 AM #7
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Default Re: keeping a pointer cool

Quote:
Originally Posted by Switch
[quote author=steve001 link=1226197777/0#4 date=1226324064][quote author=maxkillz link=1226197777/0#0 date=1226197777]If I found a way to keep my green laser pointer nice and cool would it be possible to run it for as long as the batteries will last? could I just go outside in the freezing cold and wind and keep it on as the barrel of the laser probably won't exceed 60F? I just want to test how long certain types of batteries last under constant stress. I am testing a >130mW alpha from NOVAlasers the power doesn't decline until both batteries are putting out under 1.1V under no stress so I think it only need about 2V to run
Your idea of operating them in cold weather won't work. Green lasers have an optimal operating temperature range.
[/quote]
Yea , and in cold weather it will stabilize just nicely, if not you can help warming it a bit in your hand. :P I used to leave my diy red on for 10-20 minutes at a time on a tripod in the cold.This might not work as well with a DPSS but if you keep it in your hand it should be ok. :-/[/quote]
hmm, so if I can stabilize the temp using my hands to warm it up a bit could I run it for long periods of time?
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Old 11-13-2008, 12:53 PM #8
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Default Re: keeping a pointer cool

Quote:
Originally Posted by maxkillz
[quote author=Switch link=1226197777/0#5 date=1226345023][quote author=steve001 link=1226197777/0#4 date=1226324064][quote author=maxkillz link=1226197777/0#0 date=1226197777]If I found a way to keep my green laser pointer nice and cool would it be possible to run it for as long as the batteries will last? could I just go outside in the freezing cold and wind and keep it on as the barrel of the laser probably won't exceed 60F? I just want to test how long certain types of batteries last under constant stress. I am testing a >130mW alpha from NOVAlasers the power doesn't decline until both batteries are putting out under 1.1V under no stress so I think it only need about 2V to run
Your idea of operating them in cold weather won't work. Green lasers have an optimal operating temperature range.
[/quote]
Yea , and in cold weather it will stabilize just nicely, if not you can help warming it a bit in your hand. :P I used to leave my diy red on for 10-20 minutes at a time on a tripod in the cold.This might not work as well with a DPSS but if you keep it in your hand it should be ok. :-/[/quote]
hmm, so if I can stabilize the temp using my hands to warm it up a bit could I run it for long periods of time?[/quote]

Hands get cold quick. This is only a guess. Proper operating temps runs from about 70 - 85 degrees. You could call the company and ask them what the optimal operating temps are.
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