7mm LED 7xLED FLASHLIGHT



7mm LED 7xLED Flashlight, retail $6.20 (http://emilionworkshop.com...)
Manufactured by (Unknown)
Last updated 03-03-07





This flashlight looks fairly ordinary, but it is not. When you look at the "business-end" (when it's off, of course), you'll see that it has seven 7mm white LEDs in it.

It comes in a mostly all-aluminum body with a rubberised sleeve around the barrel to aid in grip, and has seven 7mm white LEDs in its business-end, protected by a transparent plastic window, and has three AAA cells held in a side-by-side carriage in the barrel to power those LEDs with.


 SIZE



To use this flashlight, feed it first (see directly below), and then you can go paint the town red - or in this case, white.

Press the rubberised button on the tailcap until it clicks and then release it to turn the flashlight on.
Do the same thing again to turn the flashlight off.

There is no momentary or signalling mode available when the flashlight is off, however, you can blink it while it is on by partially depressing the tailcap button. If you don't mind the backward or reverse feeling of this, you can blink the flashlight this way.



To change the batteries in the 7mm LED 7xLED flashlight, unscrew and remove the tailcap, throw it in the john, and flush it away...O WAIT!!! YOU'LL NEED THAT!!! So just set it aside instead.

Tip the black plastic battery carriage out of the barrel and into your hand. If necessary, remove and dispose of or recycle the used cells if they are present in this carriage.

Insert three new AAA cells into the carriage, one in each compartment. Orient each cell so the flat-end (-) negative faces a spring for it in its compartment.

Once the carriage is full, insert it into the flashlight's barrel, aiming it so the silver colored cone on the end goes in first. Screw the tailcap back on, and be done with it.
Aren't you glad you didn't flush away that tailcap now?

Current usage measures 686mA on my DMM's 4A scale.




Photograph of the front, showing the 7mm LEDs in it.

The flashlight appears to be reasonably sturdy. Ordinary flashlight accidents should not be enough to do it in. I administered that horrible smack test on it (ten whacks against the corner of a concrete stair; five whacks against the side of the tailcap and five whacks against the side of the bezel), and found the expected damage. There is some very, very minor gouging on the sides of the tailcap and bezel where it was struck. No optical or electrical malfunctions were detected.

This flashlight is splash- and weather-resistant at absolute minimum, but it is not submersible. So please try not to drop it in creeks, rivers, ponds, lakes, oceansides, docksides, puddles of wild boar pee, slush piles, mud puddles, tubs, toilet bowls, cisterns, sinks, fishtanks, dog water dishes, or other places where water or water-like liquids might be found. A little rain or snow probably wouldn't hurt it though, so you need not be too concerned about using it in moderately bad weather.

If it fell in water and you suspect it got flooded, disassemble it as you would for a battery change, dump the water out of the barrel if necessary, and set the parts in a warm dry place for a day or so just to be sure it's completely dry inside before you reassemble and use it again.

If it fell into seawater or if somebody or something peed on it, douche all the parts out with fresh water before setting them out to dry. You don't want your flashlight to smell like seashells or urine when you go to use it next. Besides, salt (from seawater or pee) can't be very good for the insides.

The light produced by this flashlight is very slightly blue-tinted, but it is FAR BRIGHTER (~37,143mcd per LED!) than I expected. Like I said, the light has a very slight bluish tinge, but it is still what I'd call white. If you showed the beam to a large group of people and asked them to tell you what color they saw, I guarantee that everybody would holler out "WHITE!!!" in response to that query.

There is a small lanyard attached to the side of the tailcap with a small ring. This lanyard is far too small to fit around the wrist, but it does go all the way around the flashlight, so you can hang it from a small-diameter pipe, tree branch, or other object with no readily accessible "end".



Beam photo at ~12".
Measures 260,000mcd on a Meterman LM631 light meter.

Spectrographic plot
The 7mm white LEDs in this flashlight.
Ocean Optics USB2000 Spectrometer on loan from TWO-CUBED.


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



TEST NOTES:
Test unit was purchased from Emilion's Workbench on 07-27-05, and was received on the afternoon of 08-08-05.


UPDATE: 00-00-00



PROS:



CONS:



    MANUFACTURER: Unknown
    PRODUCT TYPE: Small handheld flashlight
    LAMP TYPE: 7mm white LED
    No. OF LAMPS: 7
    BEAM TYPE: Narrow flood with dim corona
    SWITCH TYPE: Pushbutton on/off on tailcap
    BEZEL: Metal; LEDs protected by plastic window
    BATTERY: 3xAAA cells
    CURRENT CONSUMPTION: 686mA
    WATER RESISTANT: Splash-resistant at minimum
    SUBMERSIBLE: No
    ACCESSORIES: Small lanyard
    WARRANTY: Unknown/not stated

    PRODUCT RATING:

    Star Rating





7mm LED 7xLED Flashlight * http://emilionworkshop.com...







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