V9 MICRO LENSER
UV KEYCHAIN

Coast® LED-Lenser® V9 Micro Lenser UV Keychain $7.95 (http://www.flash-lights.com...)
Manufactured by LED-Lenser Optoelectronics (www.led-lenser.com)
Last updated 09-25-06




This is the V9 Micro Lenser UV Keychain. It features a NUV (near-ultraviolet) LED in its business-end, comes in an all-aluminum body, covered with a clear Type II anodizing for protection, and feeds from four AG3 button cells.


SIZE



This product is ready to use right out of the package; batteries are included and already installed.

Press and release the button on the barrel five times in rapid succession (within ~5 seconds) to turn the V9 on; press it once more to turn it off.

This is a child-resistant feature; not seen on any other UV LED "money detector"-type product. To the best of my knowledge, this is the first "money detector" ever produced with this feature.



To change the batteries when necessary, unscrew and remove the tailcap, throw it to the ground, look at it all funny, cock your head like a puppy that doesn't understand what it had just been told, and stomp on it with old or used bowling shoes...O WAIT!!! YOU'LL NEED THAT!!! So just set it aside instead.

Tip the used AG3 cells into your hand, and dispose of or recycle them as you see fit.

Insert four new AG3 button cells in the barrel, button-end (-) negative first. Screw the tailcap back on, and be done with it.

Another way to do this is to stack the four button cells on a table, counter, or other flat surface, button-end (-) negative up. Lower the barrel of the product directly over the stack of cells, and slide the whole affair to the edge. Place your thumb or a finger toward the open-end of the barrel so those batteries don't just clatter to the floor. Invert (flip over) the product and your thumb or finger, remove your thumb or finger, and screw the tailcap back on.
Aren't you glad you didn't stomp on that tailcap now?

Current measures 24.24mA on my DMM's 40mA scale.



This product appears at least fairly durable, and it is. When I beat the urine out of the poor, innocent V9 (ten whacks against the corner of a concrete stair: 5 smacks against the side of the side of the bezel, and 5 smacks against the side of the tailcap), only the expected damage was found. There is some rather minor gouging on the sides of the bezel and tailcap where it was struck. No optical or electrical malfunctions were detected.

There is a clear Type II anodized finish over all of the exposed aluminum; this should help keep the product looking newer for longer, even if it goes up against coins, keys, or flashlights during carriage or storage.

The product is not very water-resistant, and is DEFINITELY not submersible.When I removed the tailcap and then performed that dreadful suction test, a significant air leak was detected. There is an O-ring on the tailcap, but I believe the V9 leaks through the switch and/or the LED opening. So please try not to drop it into creeks, rivers, ponds, lakes, oceansides, docksides, puddles of concentrated camel urine, glasses of milk, slush piles, mud puddles, tubs, root beer floats, toilet bowls, cisterns, sinks, cups of coffee, fishtanks, dog water dishes, old yucky wet mops, wall-mounted porcelain urinators, 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 lightly bad weather.

If it fell in water and you suspect it got flooded, disassemble it as you would for a battery change, dump out the water 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, got thrown into a glass of milk, fell in a root beer float, 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 V9 to smell like seaweed, clams, fish, sour milk, or piss when you go to use it next. Besides, salt (from seawater or urination), lactic acid (from moo juice), or sugar (from root beer & ice cream) can't be very good for the insides.

The dominant wavelength appears to be approximately 398nm; this was verified via spectrometer.



Beam photograph at 12"
Wavelength is too short to be measured with the instruments at my disposal.
Color is a dim, dull violet, not the bright magenta as depicted in this photograph.


The security strip in a $20 bill.
This strip is significantly brighter & more obvious in reality.



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





TEST NOTES:
Test unit of this flashlight and 4 other products were sent by Steve of www.flash-lights.com and were received mid-morning on 04-12-06.

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


UPDATE: 00-00-00



PROS:



CONS:



    MANUFACTURER: LED-Lenser Optoelectronics
    PRODUCT TYPE: Keychain-style "money detector" light
    LAMP TYPE: 5mm LED
    No. OF LAMPS: 1
    BEAM TYPE: Medium spot
    SWITCH TYPE: Digitally-controlled pushbutton on barrel
    BEZEL: Metal; LED inset in hosel for it
    BATTERY: 4xAG3 button cells
    CURRENT CONSUMPTION: 24.24mA
    WATER RESISTANT: Yes
    SUBMERSIBLE: No
    ACCESSORIES: 4xAG3 cells, small split-ring, swivel
    WARRANTY: Unknown/not stated

    PRODUCT RATING:

    Star Rating





V9 Micro Lenser UV Keychain * http://www.flash-lights.com...






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