AMERICAN OPTO PLUS
LED TESTER


American Opto Plus LED Tester, retail $19.95 (www.aopled.com)
Manufactured by American Opto Plus (www.aopled.com)
Last updated 04-07-20




VERY IMPORTANT: Since this is not a light-emitting product, my standard review format will not be used on this web page.

The American Opto Plus LED Tester (hereinafter just called an LED tester or a tester) is exactly that: an LED tester.

It can be used to test LEDs that require 2mA, 5mA, 10mA, 20mA, and 30mA. This would make it useful for testing 3mm (T1) and 5mm (T1 3/4) LEDs, plus those pesky 3 leaded bi/tri-color LEDs. It also has receptacles for 4-lead high-flux ("spider") LEDs, with current ratings of 20mA, 50mA, 70mA, and 150mA.

For power, a 9 volt transistor radio battery inside the unit does the job.

Current usage (test button pressed but no LED in any socket) measures 4.96mA on my DMM's 20mA scale.


To use the tester, just insert the LED into the sockets with the anode (+) positive lead being toward the top, in the slots where the current in mA is where you want it (this will usually be 20mA for 3mm, 5mm, 8mm, 10mm, bicolor, and tricolor LEDs), and press & hold down the red button near the bottom of the unit. A red light positioned directly above the pushbutton should now come on, and so should the LED you're testing if you got its polarity right and the LED being tested is any good.

The more widely-spaced sockets below the upper rows are for testing high-flux ("spider") LEDs in flat 4-lead packages. These LEDs usually require more current than standard round through-hole LEDs do, which is why there are no sockets for 10mA, 5mA, and 2mA on this row of sockets.



Photograph showing the top of the unit.


Spectrographic analysis
Spectrographic analysis of the LED in this product.


Spectrographic analysis
Spectrographic analysis of the LED in this tester.


Spectrographic analysis
Spectrographic analysis of the LED in this tester; spectrometer's response narrowed to a band between 620nm and 635nm to pinpoint emission peak wavelength, which is 628.010nm.

The raw spectrometer data (tab-delimited that can be loaded into Excel) is at tester2.txt

USB2000 Spectrometer graciously donated by P.L.


TEST NOTES:
Test unit was purchased on Ebay and was received on the morning of 04-19-05.


UPDATE: 02-23-20
I have obtained a replacement unit to replace the one that was stolen from me in late-2019.


    MANUFACTURER: American Opto Plus
    PRODUCT TYPE: LED tester
    LAMP TYPE: N/A
    No. OF LAMPS: N/A
    BEAM TYPE: N/A
    SWITCH TYPE: Pushbutton momentary on/off
    BEZEL: N/A
    BATTERY: 9 volt rectangular transistor radio battery
    CURRENT CONSUMPTION: 4.96mA ("test" button pressed; no LED in tester)
    WATER RESISTANT: No
    SUBMERSIBLE: NO WAY HOZAY!!!
    ACCESSORIES: Battery
    WEIGHT: 82g (2.89 oz.)
    WARRANTY: Unknown/TBA

    PRODUCT RATING:

    Star Rating





American Opto Plus LED Tester * www.aopled.com






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