Hey k40 community. I recently made the leap and got a k40 (not the

Lasers
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1

Hey k40 community.
I recently made the leap and got a k40 (not the most recent gen ;( )

During my most recent fiddling I noticed the mA nob has a fairly large portion dedicated to 0 mA (the laser isnt firing) and maxes at 23 mA. Does that seem consistent with everyone else?

It also came with some tape and a tube of… i think silicon… did anyone else get these? or know what they are for?

Thanks for your help!

2

Tape is used for aligning the laser. Don’t know about the mystery tube though.

3

0-5ma effectively does nothing because its not enough power to fire the tube. Never go above 18ma with a K40, you’ll quickly destroy the tube.

4

@Gee_Willikers Thanks for the heads up good to know.

5

Here is the mystery tube pic
https://drive.google.com/file/d/0BxAWfVv0_HQKUExLTjVKV2dlY2kxWUJsMjU1SGp5Qm51VUNN/view?usp=sharing

6

The mystery tube is silicon. It’s for if/when you need to replace your tube, so you can seal the wiring (as it’s very high voltage). My machine has the pot for selecting mA & it also has a large 0 range. There was a discussion recently where it seems to be pretty common, albeit not exactly the same range though. I can’t get my laser to fire below 4mA. Even though it may register on the ammeter it doesn’t mark anything.