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FrozenGate by Avery

Smart Tweezers ST5-S Professional LCR Meter / ESR Meter

The values on the far left column of the chart(amps) is labeled 1-2.(should be 3 I think) This is what the test load can handle.
On the top is the number of diodes selected.

@ a given amperage with the number of diodes selected the value is the amount of voltage drop you will see.
Example @ 2A with 3 diodes selected you will see a drop of 2.55volts.

The laser diode's voltage drops changes under different input amperage. This is why there is the chart so you may simulate the diode without putting it in possibly harms way.
This is the way I understand the chart.
 







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