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-   Reef (http://www.canreef.com/vbulletin/forumdisplay.php?f=8)
-   -   Looking for countdown timer (http://www.canreef.com/vbulletin/showthread.php?t=38811)

Delphinus 01-21-2008 05:35 AM

Haha, sorry, Ol'Nobodaddy, you beat me to it :)

I guess this kind of switch is called a "shutoff timer" not a "spa timer". (If you go on a hunt for one, might be easier to find if we call it the right thing!)

Pan 01-21-2008 05:38 AM

Quote:

Originally Posted by Delphinus (Post 295795)
Haha, sorry, Ol'Nobodaddy, you beat me to it :)

Yeah i've got a lot of bookmarks of potential interesting things reef related. If i could only start working on the tank, instead of just reading about things i could do to it i might have fish in it this year.

Jason McK 01-21-2008 02:38 PM

Cool Link Thanks Guys. I'm a little concerned about the live pin described as NC when the timer is active. I guess I could insulate it off to avoid arcing.


J

4ptbuck 01-21-2008 04:17 PM

The RC post is what I was thinking. No worries with the NC pins. It won't arc, but it'll get ya if you don't put it in a box.

Delphinus 01-21-2008 04:25 PM

Cover it in a gob of silicone maybe? That's what I'd do.

kwirky 01-21-2008 04:59 PM

a 555 timer project would do the trick if you're up for learning about electronics and have the time to put one together. it would involve a 555 timer and a 120vac relay.

Jason McK 01-21-2008 07:06 PM

Ya a 555 timer would work but I'm just not comited to the time and effort of learning and then building.
I think I'll try the CT timer that has the built in CD timer. If that is not successful I'll build one like the one on RC.

Thanks all

J

Delphinus 01-21-2008 07:20 PM

So this Noma timer has a countdown timer where it's off for the duration of the countdown? Ok, I guess that sounds like a no-brainer then .. I thought more or less anything we could buy that wasn't specifically a "feed your livestock timer" would be to have the power ON for the duration of the countdown, and then switch off ... not the other way around.

I want to go look for this timer .. if you find it, can you let me know the model name or something (or snap a quick-n-dirty picture of it so we know what to look for)? I'll try heading over Canadian Tire tonight myself if I can swing it.

Jason McK 01-21-2008 08:09 PM

I'll try. I'm not likely to go out tonight in search. But some time this week

J


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