MINI DISINFECTING UV SCANNER

Mini Disinfecting UV Scanner, retail $14.99 (www2.pulsetv.com...)
Manufactured by (Unknown) for Jobar International (www.jobar.com/)
Last updated 04-10-10






This is a small UVC (ultraviolet-C) disinfecting & sanitising unit. It's a fully self-contained, portable UVC radiation source. It uses four AAA cells, and it's "head" can be set at an angle up to ~160° from the fully down position.

According to the furnished instructional material, it will kill 99.9% of bateria and viruses within just several seconds; plus it will deactivate (inactivate) spores that would otherwise mature into mould and mildoo...er...mildon't...I mean mildew.

It is intended to be totally portable, allowing you to disinfect such things as doorknobs, telephones, toliet seats, dishes, faucet handles, baby bottles & nipples, typewriters, toothbrushes, computer keyboads, toys, cash registers, auto interiors, etc.


SIZE



To use the Mini Disinfecting UV Scanner, feed it first (see directly below), and THEN you can commit 1st degree murder of microbes on your telephone or toliet seat.

Using it is simple: just lift up on the grey portion of the unit - it will automatically turn on at this point.

To turn it off, lower the grey portion of the unit until it stops - it will automatically shut off when the grey wand is as close to the white body of the product as it will get.

The unit will stand on its base even with the grey arm extended fully sideways.
You can also lift the grey portion as far up as it will go, hold it by the base, and use it like a wand. Hold the base so that none of your fingers curls over the inside; you do not want to irradiate them with the UVC from this device.

***YOU MUST NOT*** look directly at the fluorescent tube; although most prescription eyeglasses will block a significant portion of UVC radiation, I cannot guarantee that this will be the case.

The instructional material states that this unit will be effective when exposing surfaces with its radiation for just "several seconds" - no actual time is given though.

The unit comes with a black drawstring pouch; you may store the unit in this pouch if desired.



To change the batteries, unclip & remove the battery door on the bottom of the unit, and set it aside.

Empty out the used AAA cells into the garbage can (or the battery box if your community has a battery reclamation project in place).

Install four new AAA cells, orienting them according to the polarity diagrams embossed into the inside top of each chamber.

Place the battery door back on, and push in on it until it gently snaps into place.

Current usage measures 212mA on my DMM's 4A scale.



This is meant to be used as a sanitising device in a dry area, not as a flashlight meant to be carried around, thrashed, trashed, and abused, so I won't try to drown it in the toliet tank, bash it against a steel rod or against the concrete floor of a patio, let my housemate's citty kats go to the litterbox on it, run over it with a 450lb Celebrity motorised wheelchair, stomp on it, use a large claw hammer in order to smash it open to check it for candiosity, fire it from the cannoņata (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), with a handheld wand that Langston Lickatoad uses, or with a pack-of-cards-sized device that Fergy Fudgehog uses; and the cannoņata (also located at Piņata Central) is only used to shoot piņatas to piņata parties away from picturesque 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.

In fact, the photograph and spectrographic analysis below may be pretty much it.

The main "disinfecting" component here is the ultraviolet-C wavelength comprising mainly of the mercury line at 253.7nm.
A small amount of "vacuum UV" (wavelengths shorter than ~200nm) is produced; this is evident for the following reason:
A faint odour of ozone (O3) is evident near the bulb when the unit is in operation.

Because UVC and some "vacuum UV" wavelengths are produced, there's a fairly high likelihood that the tube envelope is made of quartz, rather than regular "light bulb glass". This is because the glass used in making light bulbs blocks virtually ***ALL*** UVC and ***ALL*** "vacuum UV" wavelengths; and since these wavelengths are allowed to pass (well, they SHOULD considering that this is a germicidal lamp!!!), I'm fairly certain that the tube material is something other than "light bulb glass".



Photograph of the unit operating.
This photograph depicts the light as being *SIGNIFICANTLY* brighter than it actually is.
I do not have any instruments capable of measuring radiation at wavelengths this short.


Spectrographic analysis
Spectrographic analysis of the UVC CCFT in this product.


Spectrographic analysis
Same as above; spectrometer's response band narrowed to a range of 250nm to 260nm to show the 253.7nm mercury line.


Spectrographic analysis
Same as above; spectrometer's response band narrowed to a range of 179nm to 380nm and deliberately "overexposed" to show alternate UV spectral lines.


Spectrographic analysis
Same as above; spectrometer's response band narrowed to a range of 180nm to 230nm.
This shows that there is *SOME* emission at "vaccum UV" wavelengths; responsible for producing ozone.
Baseline was artificially lowered with Photoshop.
USB2000 spectrometer graciously donated by P.L.




YourTube video showing how to sterilise a telephone with this product.

This clip is approximately 14.3776445668 megabytes (14,505,016 bytes) in length; dial-up users please be aware.
It will take no less than seventy two minutes to load at 48.0Kbps.








TEST NOTES:
Test unit was purchased on the PulseTV website on 06-12-08, and was received on the afternoon of 06-18-08.

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: 04-10-10
I found the product totally dead and was about to issue that dreadful "Failed or was destroyed during/after testing" icon, but then noticed that two of the battery contacts were corroded -- as if covered with "battery poop" -- yet no evidence of battery leakage was detected on the batteries themselves. After cleaning the contacts, the unit began to function properly once again.


PROS:
Kills bacteria, mould spores, mildew spores, dust mites, etc.
Batteries it uses are common and relatively inexpen$ive


CONS:
Not very water-resistant and not submersible (for cleaning) at all


    MANUFACTURER: Unknown
    PRODUCT TYPE: Portable UVC "sanitising" light
    LAMP TYPE: "U"-shaped CCFT UVC (shortwave UV) fluoro tube
    No. OF LAMPS: 1
    BEAM TYPE: Medium flood
    SWITCH TYPE: Raise/lower illuminator assembly on/off
    CASE MATERIAL: Plastic
    BEZEL: None
    BATTERY: 4xAAA cells
    CURRENT CONSUMPTION: 212mA
    WATER- AND PEE-RESISTANT: Very light splatter-resistance at maximum
    SUBMERSIBLE: NO WAY HOZAY!!!
    ACCESSORIES: Carrying pouch w/drawstring closure
    WARRANTY: Unknown/not stated

    PRODUCT RATING:

    Star Rating





Mini Disinfecting UV Scanner * www2.pulsetv.com...






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