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Old 02-01-2012, 08:04 AM #97
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Default Re: FS: ***Selectable test load up to 3A (assembled or DIY kit)*** IN STOCK!

Quote:
Originally Posted by flucero28 View Post
If you still have the one left I need one please.....
They are back in stock! Sorry, should have updated the thread sooner. Did you need a kit or an assembled test load?

Quote:
Originally Posted by cheech226 View Post
these are well worth the price for such a versatile test tool.


Quote:
Originally Posted by ginhev123 View Post
Is this like a universal test load that works for all drivers, whether it's for a red laser, violet, blue etc.?
Yes, pretty much these work for all drivers and laser diodes or LEDs you want to simulate the voltage for.


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Old 02-03-2012, 12:04 AM #98
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Default Re: FS: ***Selectable test load up to 3A (assembled or DIY kit)*** IN STOCK!

I'll take a kit please!

PM pp info for payment.

Frank

Last edited by flucero28; 02-03-2012 at 12:14 AM.
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Old 02-10-2012, 02:07 AM #99
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Default Re: FS: ***Selectable test load up to 3A (assembled or DIY kit)*** IN STOCK!

Are you sold out of these? I tried the Google link and it says so.

I was going to make one of these myself, but your board layout looks so nice.

I'm probably going to substitute some 1N5822's for your 1N5404's. Schottky Barrier diodes drop about half the voltage, so it will take twice as many for the same color. i.e. Red=6, Blue=8; Bluray=N/A (no room for 12).

I'll lose the Bluray feature but with the same current spread across 2X the diodes, less heat build-up problems. In theory anyway...

So even if you just have some empty boards I can make that work.

Thanks.
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Old 02-10-2012, 02:46 AM #100
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Default Re: FS: ***Selectable test load up to 3A (assembled or DIY kit)*** IN STOCK!

No they're in stock! Hmm it should be working now, I must have edited the inventory wrong.

You could also epoxy a heat sink on top of the diodes using some Arctic Alumina to dissipate the heat away.
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405nm 455 mA BDR-S06J GUIDESMAN (G2 Drive) - link
445nm 1500 mA A140 SOLARFORCE L2 GUNMETAL (FLEXDRIVE V5) - link
445nm 1566 mA A140 SIPIK HK21 (G2 Drive) - link
473nm B&W Tek BWB-10-OEM - 10mW
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Old 02-10-2012, 04:06 AM #101
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Default Re: FS: ***Selectable test load up to 3A (assembled or DIY kit)*** IN STOCK!

It works now; thanks for fixing that. I just ordered a DIY kit.

I thought about using some arctic silver adhesive; I've used that before on other projects. But, if I stick a nice heat sink on there and one diode quits on me, I'll likely have to replace them all. (That heat sink glue is like silver epoxy lol). I'll see how my idea works out; if nothing else I'll have 10 standard diodes to replace them with.
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Old 02-10-2012, 04:45 AM #102
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Default Re: FS: ***Selectable test load up to 3A (assembled or DIY kit)*** IN STOCK!

No problem! These diodes are pretty robust and should handle well under normal conditions, unless you run them continuously for too long. Adding the heat sink would increase their run time and longevity. Let me know how it works out for you
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445nm 1500 mA A140 SOLARFORCE L2 GUNMETAL (FLEXDRIVE V5) - link
445nm 1566 mA A140 SIPIK HK21 (G2 Drive) - link
473nm B&W Tek BWB-10-OEM - 10mW
532nm SKY Lasers DPL - 200mW
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638nm 1053 mA SS 26650 (AMC7135) - link

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Old 02-12-2012, 11:42 AM #103
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Default Re: FS: ***Selectable test load up to 3A (assembled or DIY kit)*** IN STOCK!

Quote:
Originally Posted by Krusher View Post
It works now; thanks for fixing that. I just ordered a DIY kit.

I thought about using some arctic silver adhesive; I've used that before on other projects. But, if I stick a nice heat sink on there and one diode quits on me, I'll likely have to replace them all. (That heat sink glue is like silver epoxy lol). I'll see how my idea works out; if nothing else I'll have 10 standard diodes to replace them with.
An old superclocking trick back a few years was to mix some Arctic Silver/alumina in with the epoxy if you wanted a less 'permanant' bond.
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Old 02-12-2012, 08:46 PM #104
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Default Re: FS: ***Selectable test load up to 3A (assembled or DIY kit)*** IN STOCK!

Ok, I'm wanting to try and understand exactly how to use this. Are here instructions included with it? Thx!
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Old 02-12-2012, 11:28 PM #105
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Default Re: FS: ***Selectable test load up to 3A (assembled or DIY kit)*** IN STOCK!

It's pretty simple. Just put the jumper pin on the number of diodes needed. Place the driver leads where it goes. Attach the multimeter or voltmeter across the resistor and set it to read in VDC. Add the batteries to the driver and the readings on the multimeter or voltmeter are equivalent to the mA putting out by the driver. 1mV = 1mA

On my site there's a tutorial on how to build it, I'm about to put up a section on how to use it.
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FS: 3A selectable test loads *IN STOCK* - link

405nm 455 mA BDR-S06J GUIDESMAN (G2 Drive) - link
445nm 1500 mA A140 SOLARFORCE L2 GUNMETAL (FLEXDRIVE V5) - link
445nm 1566 mA A140 SIPIK HK21 (G2 Drive) - link
473nm B&W Tek BWB-10-OEM - 10mW
532nm SKY Lasers DPL - 200mW
638nm 1071 mA GUIDESMAN (AMC7135) - link
638nm 1053 mA SS 26650 (AMC7135) - link

LED Maglite 3D DD SST-90 5700K w/ Aspheric lens - link
LED Maglite 3D XM-L U2 bin - link
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Old 02-13-2012, 02:01 PM #106
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Default Re: FS: ***Selectable test load up to 3A (assembled or DIY kit)*** IN STOCK!

Jufran, just wanted to let you know that I got my test load last week. Very quick shipping! Also after about 10 mins I had it all together. This is an awesome kit, works perfect and looks great, for the price it's a real bargain! Thanks again.

Frank
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Old 02-13-2012, 03:10 PM #107
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Default Re: FS: ***Selectable test load up to 3A (assembled or DIY kit)*** IN STOCK!

Has anybody actually measure the voltage drop across the diodes at various loads ? It is not very critically important but I want to know exactly.
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Old 02-13-2012, 04:48 PM #108
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Default Re: FS: ***Selectable test load up to 3A (assembled or DIY kit)*** IN STOCK!

@flucero28:
Awesome! I'm glad it you like it.

@blord:
Hmm, were you looking for something like this:
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FS: 3A selectable test loads *IN STOCK* - link

405nm 455 mA BDR-S06J GUIDESMAN (G2 Drive) - link
445nm 1500 mA A140 SOLARFORCE L2 GUNMETAL (FLEXDRIVE V5) - link
445nm 1566 mA A140 SIPIK HK21 (G2 Drive) - link
473nm B&W Tek BWB-10-OEM - 10mW
532nm SKY Lasers DPL - 200mW
638nm 1071 mA GUIDESMAN (AMC7135) - link
638nm 1053 mA SS 26650 (AMC7135) - link

LED Maglite 3D DD SST-90 5700K w/ Aspheric lens - link
LED Maglite 3D XM-L U2 bin - link
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Old 02-13-2012, 10:25 PM #109
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Default Re: FS: ***Selectable test load up to 3A (assembled or DIY kit)*** IN STOCK!

@cilegray, that sounds like a neat trick. Do you have any suggestions like 10% compound to 90% adhesive, etc? Difficult to remove is OK, but their adhesive is more like epoxy right now.

I finished my assembly today with the Schottky Barrier diodes, and @1.8A the 1N5404's pretty much match that chart above @0.81V measured. My 1N5822's were 0.39V; so it takes twice as many diodes and the heat is more spread-out. (But you lose the ability to test Blu-Ray diodes). They eventually get hot without a heat sink anyway, but water boils on the resistor long before I can get it to evaporate on the diodes. For me; I'm fine without a heat sink for non-continuous testing. I also soldered all of the hot components (diodes and resistor) slightly off the board so it doesn't cook it as much.

@ Jufran88--it works out great but I had one suggestion if possible. Make the through holes a little bigger for the diodes, resistor, and load terminals. Right now, they all fit tight.

I used to be a tech for Marquette electronics (6 months fixing Medical boards) and I never had a board where the component's leads fit snugly...you want a little space for soldering and de-soldering with a solder sucker. (There should be some space between the wires and the hole for a vacuum to pull the solder out).

Anyway, it's a great little board for the money and you might want to put something in the pro section so you get more visibility.

Happy soldering!
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Old 02-13-2012, 10:28 PM #110
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Default Re: FS: ***Selectable test load up to 3A (assembled or DIY kit)*** IN STOCK!

Their adhesive IS epoxy...

I remember using it in about 60% adhesive to 40% Arctic Silver 2 (that's about 10 years ago) with good results... when I went to take it off it peeled off like a rubber-based adhesive would.
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Old 02-13-2012, 10:31 PM #111
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Default Re: FS: ***Selectable test load up to 3A (assembled or DIY kit)*** IN STOCK!

Ok, I think of epoxy as being much stronger than adhesive--typically. But it's one and the same I suppose.

Thanks for the 60/40 tip. I will make a note of that.
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Old 02-13-2012, 11:45 PM #112
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Default Re: FS: ***Selectable test load up to 3A (assembled or DIY kit)*** IN STOCK!

Quote:
Originally Posted by Krusher View Post
@cilegray, that sounds like a neat trick. Do you have any suggestions like 10% compound to 90% adhesive, etc? Difficult to remove is OK, but their adhesive is more like epoxy right now.

I finished my assembly today with the Schottky Barrier diodes, and @1.8A the 1N5404's pretty much match that chart above @0.81V measured. My 1N5822's were 0.39V; so it takes twice as many diodes and the heat is more spread-out. (But you lose the ability to test Blu-Ray diodes). They eventually get hot without a heat sink anyway, but water boils on the resistor long before I can get it to evaporate on the diodes. For me; I'm fine without a heat sink for non-continuous testing. I also soldered all of the hot components (diodes and resistor) slightly off the board so it doesn't cook it as much.

@ Jufran88--it works out great but I had one suggestion if possible. Make the through holes a little bigger for the diodes, resistor, and load terminals. Right now, they all fit tight.

I used to be a tech for Marquette electronics (6 months fixing Medical boards) and I never had a board where the component's leads fit snugly...you want a little space for soldering and de-soldering with a solder sucker. (There should be some space between the wires and the hole for a vacuum to pull the solder out).

Anyway, it's a great little board for the money and you might want to put something in the pro section so you get more visibility.

Happy soldering!
I'm glad you like it! I'll take your suggestion in consideration. I've soldered many of these and the solder wicks up the leads pretty well.
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FS: 3A selectable test loads *IN STOCK* - link

405nm 455 mA BDR-S06J GUIDESMAN (G2 Drive) - link
445nm 1500 mA A140 SOLARFORCE L2 GUNMETAL (FLEXDRIVE V5) - link
445nm 1566 mA A140 SIPIK HK21 (G2 Drive) - link
473nm B&W Tek BWB-10-OEM - 10mW
532nm SKY Lasers DPL - 200mW
638nm 1071 mA GUIDESMAN (AMC7135) - link
638nm 1053 mA SS 26650 (AMC7135) - link

LED Maglite 3D DD SST-90 5700K w/ Aspheric lens - link
LED Maglite 3D XM-L U2 bin - link
LED Maglite 2D Triple XM-L U2-1C bin - link

My DIY LPM - link
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