10 WATT LUXEON FLASHLIGHT



10 Watt Luxeon Flashlight, retail 14.99 ($29.25)*
Manufactured by (Unknown)
Last updated 03-05-07


* IMPORTANT: Pricing is accurate as of 02-11-07. Please visit the Currency Calculator for the latest currency conversion rates from British pounds to US dollars.





This is being sold as a "10 watt" Luxeon flashlight, but the LED appears to be a Luxeon III; an LED generally known for having a power dissipation of approximately three (3) watts. Anyway, it *IS* bright (over 2.2 million millicandelas), so I don't think you'll be too disappointed.

This is a handheld flashlight in a handsome black (Type II anodized) aluminum body. It has what I believe is a Luxeon III LED at the bottom of a mirror-smooth reflector, and is powered with three CR123A lithium cells held in its barrel.


 SIZE



To use this flashlight, feed it first (see below), and then you can go to town.

Press the tailcap button firmly until it clicks and then release it to turn it on. Repeat the same action to turn it back off.

Momentary/signalling operation is available by pressing the tailcap button more lightly (before it clicks) and holding it that way for as long as you need light. Release pressure on the button to plunge yourself back into darkness.



To change the batteries, unscrew the tailcap, throw it in the {vulgar term for feces}bowl, and flush it away...O WAIT, YOU'LL NEED THAT!!! So just set it aside instead.

Tip the three dead 123A cells out of the barrel, and dispose of or recycle them as you see fit.
Do not throw them into a trout-filled stream, and for heaven sakes, please do not dispose of them by flushing.

Insert three new 123A cells in the barrel, button-end (+) positive going in first.

Screw the tailcap back on, finger-firm tightness only.
Aren't you glad you didn't flush away that tailcap now?

Current usage measures 1,071mA (1.071 amps) on my DMM's 4A scale.



This flashlight appears durable, and it is. I beat the urine out of the poor defenseless flashlight (ten firm whacks against the concrete floor of a patio - five against the side of the bezel, and five on the side of the tailcap) and caused some minor gouging to the bare Metalgrandkuwagamon - er - the bare Metalflamedramon....nope that's not it either - the bare Metalterriermon - um - that's not it either...the bare Metalranamon...er...uh...wait a sec here...THE BARE METAL (guess I've been watching too much Digimon again! Now I'm just making {vulgar term for feces} up!!! ) on the sides of the tailcap and bezel where it was struck.
No optical or electrical malfunctions were detected.

It has a Type II anodized finish; I was able to rather easily scratch it to bare metal with the blade of a folding knife.
Would I really try to cut up a brand spanken new flashlight?
You bet your sugar-coated toilet muscle (sweet patootie) I would, if it's in the name of science.

I tried to scratch the lens of this flashlight with the point of the blade of the same knife, and was successful.
This tells me it is made of plastic, not glass.
Would I really try to cut up the lens a brand spanken new flashlight?
You bet your sweet patootie (sugar-coated toilet muscle) I would, if it's in the name of science.

The unit is waterproof, and submersible to at least shallow depths too. It passed "The Suction Test" I performed on it; no leakage was found at the bezel *OR* tailcap. So if it falls next to the mailbox and the dog pisses on it, just take the garden hose to it or douche it off under the faucet...good as new!

The flashlight has a band of knurling (crosshatch-shaped texturising) on its barrel, and the bezel & tailcap have features milled into them, so retention (the ability to hold on to the flashlight when your hands are cold, oily, or soaked with water, pee, or diet Pepsi) should not be much of an issue. Flat parts of the tailcap, barrel, and bezel also have very fine circumfrential ridges milled into them.

Where the advertiser gets "10 watts" I have yet to figure out. The LED appears to be a Luxeon III; an LED generally known for having a power dissipation of approximately three (3) watts. Even when the supply voltage (not taking into account the sag under such a heavy load) is multiplied by the current usage, the result is still less than 10 watts - it comes out to 9.639. And at this current (figuring no resistor or other components in there), the LED is seriously overdriven.


Here is a photograph of the LED itself.
Looks like a Luxeon III LED to me.



Beam photograph on the test target at 12".
Light has *NO* green tint to it whatsoever; the camera is at fault on this.
Measures 2,220,000mcd on a Meterman LM631 light meter.



Beam photograph on a wall at ~10'.

Those rectangular graphic things near the top are marquees from:
Midway ''Omega Race''
Sega ''Star Trek''
Williams ''Joust''
Venture Line ''Looping''
Universal ''Mr. Do!'s Castle''
Jaleco ''Exerion''
Gremlin/Sega ''Astro Blaster''
Atari ''Tempest''
Gottlieb ''Q*bert''

upright coin-op arcade video games from the 1980s.


Spectrographic plot
Spectrometer plot of the LED in this flashlight.
Ocean Optics USB2000 Spectrometer on loan from WWW.TWO-CUBED.COM.


ProMetric analysis
Beam cross-sectional analysis.
Image made using the ProMetric System by Radiant Imaging.





TEST NOTES:
Test unit was purchased on Ebay on 02-02-07, and was received on the afternoon of 02-10-07.

Product was almost certainly made in Hong Kong. A product's country of origin really does matter to some people, which is why I published it on this web page.


UPDATE: 02-12-07
I unscrewed the LED to check the numbers on the back of its heatsink board, and found the following:
TY1JW0133227
1106LXHLW3C

I also took note that the LED is screwed directly onto an aluminum plate with no heatsinking paste.


PROS:



CONS:



    MANUFACTURER: Unknown
    PRODUCT TYPE: Handheld flashlight
    LAMP TYPE: White Luxeon III LED
    No. OF LAMPS: 1
    BEAM TYPE: Medium spot w/wide corona
    SWITCH TYPE: Pushbutton momentary/on/off on tailcap
    CASE MATERIAL: Aluminum
    BEZEL: Aluminum; LED & reflector protected by plastic window
    BATTERY: 3xCR123A cells
    CURRENT CONSUMPTION: 1,071mA
    WATER RESISTANT: Yes
    SUBMERSIBLE: Yes, to shallow depths at minimum
    ACCESSORIES: Bezel/reflector ass'y, 3xCR123A cells
    WARRANTY: Unknown/not stated

    PRODUCT RATING:

    Star Rating





10 Watt Luxeon Flashlight *







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