32xNUV LED Regulated Mag Retrofit, retail $39.99 (http://store.advancedmart.com...)
Manufactured by (Unknown) for AdvancedMart (www.advancedmart.com)
Last updated 08-26-06

The 32xNUV LED Regulated Mag Retrofit is a retrofit bulb that turns your 3-C or 3-D Mag-Lite into an LED UV source that is very resistant to drops, knocks, and bangs unlike fragile glass "flourescent" "lite" "blubs" . It uses an array of 32 5mm near-ultraviolet LEDs.

The unique thing about this retrofit is that it's regulated; that is, it won't begin to dim the moment it's turned on.


To use this retrofit, just follow these easy instructions:
  1. Unscrew and remove the top lens ring from your Mag-Lite.
  2. Remove the reflector and incandescent blub.
  3. Insert the retrofit bulb; push straight down on it until it does not move down any more.
  4. Screw the top lens ring back on your Mag-Lite.
  5. Twist top of Mag-Lite's head fully clockwise until it stops.
To get light, press the rubberised button on the side of the Mag-Lite's barrel until it clicks, and then release it. Press and release it the same way again to turn it off. This is continuous or hands-free mode.

For momentary or signalling mode, press the button more lightly (before it clicks) and hold it that way for as long as you need the light; releasing the button turns the light off.

To feed your Mag-Lite equipped with this retrofit, unscrew & remove the tailcap, and set it aside. Dump the dead D cells into a large, heavy-duty garbage can (we don't have a battery reclamation program here in California that I know of - please recycle them if you do); and slide three new D cells in with the button (+) end going in first. Screw the tailcap firmly back on, and go about your business. Be sure to empty that garbage every now and again; you don't want rats or flies.

Current usage measures 742mA on my DMM's 4A scale. This equates to 23.1875mA per LED. So the LEDs are overdriven, but not terribly so.

Because this is a replacement bulb for an existing flashlight, I will not beat it against a steel rod or against a concrete patio floor, stomp on it, try to drown it in a toilet, run over it, or bestow upon it other misfortunes that may be bestowed upon flashlights, so this section of their web page will be QUITE bare.

As a flashlight, the unit is reasonably sturdy (as all Mag-Lites are), and is of a proven physical design. Mag Instruments (of which AdvancedMart has *no* affiliation!) has been making flashlights for years, and they have a long track record for durability.

To test the regulator circuitry, I did things a bit differently than usual. I connected it to my variable voltage laboratory power supply, slowly decreased the voltage, and measured 1.572 volts when the regulation visibly dropped out. So yes, the regulation really DOES work!!!

The epoxy LED bodies do fluoresce (glow), but it looks like most of the NUV radiation escapes and does what you purchased this module for in the first place.

Beam photograph on the test target at 12".
Wavelength is too short for me to measures.

Photograph of a LEDTronics VestLED and an ETG Safety Vest approximately 9 feet away. They both fluoresce (glow) brilliantly in this module's NUV radiation.

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

As you can see, the peak wavelengh is 390nm.

Test unit was sent by J.W. of Advancedmart on 07-24-06, and was received on the afternoon of 08-24-06. This is a new product; the long lead-time was anticipated.

UPDATE: 00-00-00



    PRODUCT TYPE: Retrofit lamp for 3xD cell Mag-Lite
    No. OF LAMPS: 32
    BEAM TYPE: Wide spot w/smooth transition to corona
    BEZEL: N/A
    BATTERY: 3xD cells
    WARRANTY: 90 days


    Star Rating

32xNUV LED Regulated Mag Retrofit * http://store.advancedmart.com...

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