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DTL DP124-2.6 Got this on eBay. My first Dark To Light photocell. It has the 2.6 footcandle turn-on level, which I like because the lights come on earlier. Made in May 2008. Keywords: Gear

DTL DP124-2.6

Got this on eBay. My first Dark To Light photocell. It has the 2.6 footcandle turn-on level, which I like because the lights come on earlier. Made in May 2008.

6818796682_4e376d761e_b.jpg 6818794686_1a42924c44_b.jpg 6818792802_5201d9c513_b.jpg photo_2.JPG HPIM0646.JPG
File information
Filename:6818792802_5201d9c513_b.jpg
Album name:gramirez2012 / Gear
Keywords:Gear
Company and Date Manufactured:Dark To Light
Model Number:DP124
Filesize:106 KiB
Date added:Mar 08, 2012
Dimensions:1024 x 768 pixels
Displayed:116 times
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=11054
Favorites:Add to Favorites

Comment 1 to 12 of 12
Page: 1

streetlight98   [Mar 08, 2012 at 09:55 PM]
For me the later the better becuase it puts less wear on the lamp and ballast and it saves $$$.
gailgrove   [Mar 08, 2012 at 10:00 PM]
I like streetlights to come on very early, I like the 8 foot candle ones best personally, we have some here!
streetlight98   [Mar 08, 2012 at 10:05 PM]
8 foot candles?! Shocked Those must come on long before dusk. There are some lights here that come on really early and don't even shut off if it's overcast outside. They're white colored and are either Fisher Peirce or Ripley...
gailgrove   [Mar 08, 2012 at 10:15 PM]
Yeah they come on at least 45 minutes or more before dusk, if you think those come on early how about 35 foot candle ones? Shocked
streetlight98   [Mar 08, 2012 at 10:18 PM]
They make those? What's the difference between those and a shorting cap? Shocked Laughing What's the range PCs come in?
gailgrove   [Mar 08, 2012 at 10:23 PM]
Yep! They are for aircraft warning lights which need to be on very early and go off very late, or stay on all day if it's dull. From what I understand the go from 1 FC to 35 FC, you can see this spec sheet showing the levels.
streetlight98   [Mar 08, 2012 at 10:35 PM]
Ahh. Thanks. I always thought they just covered the window partially for those...
joe_347V   [Mar 08, 2012 at 11:15 PM]
How do you tell what footcandles do PC activate at? Anyways the electronic ones have a adjustment knob inside which I guess adjusts which FC do they turn on at.
HPSM250R2   [Mar 09, 2012 at 04:43 AM]
Ripley electronic photocontrols can be ordered with as low as a 0.3 footcandle setting.
gramirez2012   [Mar 09, 2012 at 03:57 PM]
@Joe - It says in the specifications and part number. For example, in "DP124-2.6-TJ", 2.6 indicates the turn-on level in footcandles. DTL photocells most commonly use 1.5 ftc turn-ons.
joe_347V   [Mar 09, 2012 at 04:43 PM]
Ah thanks, I'll take a look at mine when I get home today.
gramirez2012   [Mar 09, 2012 at 04:54 PM]
Also, some photocells (usually cheaper ones) don't have specific turn-on ratings, instead they'll say "1-3 ftc. turn-on average".

Comment 1 to 12 of 12
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