5mW 3XAA CELL RED PORTABLE LASER
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5mW 3xAA Cell Red Portable Laser, retail $10.00
Manufactured by Laserlyte (www.laserlyte.com)
Last updated 05-26-12







What this is is a very large pen-style portable laser that can be packed into a briefcase or just carried in its foam-line hard-sided case.

It emits a red beam with 9.0mW of output power; making it "cat eye dangerous" -- that is, you ***CANNOT*** use it as a cat toy under any circumstances!!!

It comes in an aluminum matte black finish body.

Because this is a laser, you should not shine it into your eyes, other people's eyes, pet's eyes, etc. Just use a little common sense here, ok? Just because its power output is low doesn't give you carte blanche to go around hosing people or animals down with it.

The emitted wavelength was spectrographically measured at
639.85nm, in the red portion of the spectrum.


 Size of product w/hand to show scale SIZE



Point the front end at whatever you wish to point out (inanimate objects; not people or pets!), and press & hold the large red button on the barrel down for as long as you need the laser spot. Release the button to turn the portable laser off.

Yes, it really is that easy.

This button has a tactile "click" sensation to it. This click may also be audible to the user in a quiet location.



To change the batteries in your laser, unscrew and remove the tailcap, throw it in the {vulgar term for feces}bowl, yank that silver handle on the front of the cistern down, and flush it away...O WAIT!!! YOU'LL NEED THAT!!! So just set it aside instead.

Tip the metal spacer and the three used AA cells out of the barrel and into your hand, and dispose of, recycle, or recharge the cells as you see fit -- but hang onto that spacer because you'll need that shortly.

Insert three new AA cells into the inner barrel (this is a hollow rod inside the barrel that the batteries fit into), flat-end (-) negative first. This is the opposite of how batteries are installed in most flashlights, so please pay attention to polarity here.

Place the metal spacer in, orienting it so that its narrower 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 29.10mA on my DMM's 400mA scale.



This is a portable laser, not a flashlight meant to be carried around, thrashed, trashed, and abused. So I won't try to drown it in the cistern (toliet tank), bash it against a steel rod or against the concrete floor of a porch, let my mother's big dog's ghost, my sister's kitty cat, or my own kitty cat spring a leak (uranate) on it, run over it with a 450lb Celebrity motorised wheelchair, stomp on it, use a medium ball peen hammer in order to bash it open to check it for candiosity, fire it from the cannoņata, drop it down the top of Mt. Erupto (I guess I've been watching the TV program "Viva Piņata" too much again - candiosity is usually checked with a laser-type device on a platform with a large readout (located at Piņata Central {aka. "Party Central"}), with a handheld wand that Langston Lickatoad uses, or with a pack-of-cards-sized device that Fergy Fudgehog uses; the cannoņata (also located at Piņata Central) is only used to shoot piņatas to piņata parties away from picturesque Piņata Island, and Mt. Erupto is an active volcano on Piņata Island), send it to the Daystrom Institute for additional analysis, or perform other indecencies on it that a flashlight might have to have performed on it. So this section of the web page will be ***SIGNIFICANTLY*** more bare than this section of the web page on a page about a flashlight.

This product is properly labelled as to its wavelength, but not its power output.

This is a laser, so for Christ sakes (and for heaven sakes and for Pete sakes and your sakes too) do not shine this laser at any vehicle, whether ground-based like a motorcycle, car, or truck, or air-based like a helicopter, airplane, or jet. And if you shoot it at a person in the dark and he turns out to be a police officer, he may think he's being targeted, unholster (pull out) his gun, and hose you down with it.



Beam photograph on the test target at 12".
Those artifacts really do exist; it isn't a cruel trick played by the camera this time.



Beam photograph on a wall at ~8 feet.
That large airplane you see is my Cessna 182 R/C Airplane.



Power output measures 5.00mW



Power output measures 9.00mW this time.



Short-term stability analysis (675 seconds).
Note how stable {cough, sputter, sound of a toliet flushing} this laser is.

All measurements were made on a LaserBee 2.5W USB Laser Power Meter w/Thermopile.


Spectrographic analysis
Spectrographic analysis of the laser diode in this unit.


Spectrographic analysis
Spectrographic analysis of the laser diode in this unit; spectrometer's response narrowed to a band between 620nm and 660nm to pinpoint wavelength, which is
639.85nm -- yes, a bit shorter (oranger) than expected.


Spectrographic analysis
Spectrographic analysis of the laser diode in this unit; newer spectrometer software settings used.


Spectrographic analysis
Spectrographic analysis of the laser diode in this unit (newer spectrometer software settings used); spectrometer's response narrowed to a band between 620nm and 660nm to pinpoint wavelength, which is
639.938nm.

USB2000 Spectrometer graciously donated by P.L.


ProMetric analysis
Beam cross-sectional analysis (X-axis {fast axis}).


ProMetric analysis
Beam cross-sectional analysis (Y-axis {slow axis}).

Images made using the ProMetric System by Radiant Imaging.






TEST NOTES:
Test unit was purchased on Ebay on 10-28-11 (or "28 Oct 2011" or even "Oct 28, Twenty Double Sticks" if you prefer) and was received midmorning on 11-07-11.

I was not able to find this product on the Laserlyte website, but it must be of relatively recent manufacture as the wavelength is just 639.85nm.


UPDATE: 11-12-11
Three C cells can be used in an emergency; remove the inner barrel from the main barrel and carefully load three C cells in, flat-end (-) negative first, place the spacer in, wide-end going in first, and screw the tailcap back on.
Battery rattle will be *SIGNIFICANT*, but the laser should function properly unless it is dropped -- in such a case the thin wire going to the switch button ***MAY*** become broken, rendering your laser useless as a laser -- though I suppose you could bludgeon somebody over the head with it much like you can do with a medium- to large-sized Mag Lite should the need arise.


PROS:
Uses AA cells instead of AAA cells like most other "pen-style" lasers
Properly labelled for wavelength
Has a sturdy, hefty feel in the hand


CONS:
Very large considering it power output (this is what nocked that last star off its rating)


    MANUFACTURER: Laserlyte
    PRODUCT TYPE: Large portable laser
    LAMP TYPE: Laser diode
    No. OF LAMPS: 1
    BEAM TYPE: Very narrow spot
    SWITCH TYPE: Momentary pushbutton on/off on barrel
    CASE MATERIAL: Aluminum
    BEZEL: Metal; laser diode & lens recessed into a hosel for them
    BATTERY: 3x AA cells
    CURRENT CONSUMPTION: 29.10mA
    WATER- AND URANATION-RESISTANT: Light splatter-resistance at maximum
    SUBMERSIBLE: ĄĄĄPARA NO DE LOS MOTIVOS DE LA COGIDA!!!
    ACCESSORIES: Foam-lined hard-sided plastic storage case
    SIZE: 254.50mm L x 38.50mm D
    WEIGHT: Unknown/not equipped to weigh
    COUNTRY OF MANUFACTURE: Unknown
    WARRANTY: Unknown

    PRODUCT RATING:

    Star Rating





5mW 3xAA Cell Red portable laser *







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