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Thread: Where do I measure the RECI tube current to make sure it is not above 26ma?

  1. #1

    Where do I measure the RECI tube current to make sure it is not above 26ma?

    Where do I measure the RECI tube current to make sure it is not above 26ma?

    Not sure where I probe.

    Question - why do people run their tubes at lower settings? Does it make the beam thinner? Why not run at the highest power that you can without exceeding 500 mm/sec?
    Triumph TR-9060 with 5200 Chiller and 100 watt Z4 RECI.

  2. #2
    Join Date
    Oct 2011
    Location
    Vancouver BC
    Posts
    97
    you need to get a milliamp meter (not an amp meter like I did)

    0-50 milliamps. Something on Ebay would work (I have some here but my shipping is probably more than straight from china). I went digital which is nice but needs a power supply of it's own.

    As for lower settings, that would be if the power to too high for the job or material and the max speed. Try engraving at full power and you'll probably see the problem. Cutting paper and other light goods same issues, especially as you can't cut nicely at 500mm/s, it's only for engraving.
    80 watt RECI 1290 Shenhui laser.
    Chinese Quick CNC 5x10 toolchange
    Unofficial record holder of 6 tubes shipped for one machine. 2 defective and 4 broken. Recommend Coletech for replacement tube!

  3. #3
    Join Date
    Oct 2011
    Location
    Vancouver BC
    Posts
    97
    Quote Originally Posted by Robert Silvers View Post
    Where do I measure the RECI tube current to make sure it is not above 26ma?

    Not sure where I probe.
    Sorry, answer to this part is on the low voltage side, ie the white wire off the laser out side.
    80 watt RECI 1290 Shenhui laser.
    Chinese Quick CNC 5x10 toolchange
    Unofficial record holder of 6 tubes shipped for one machine. 2 defective and 4 broken. Recommend Coletech for replacement tube!

  4. #4
    Everyday digital multimeters typically auto range down to the 40ma range, but I tried mine, and it kept on resetting.
    Last edited by Robert Silvers; 10-08-2013 at 1:12 AM.
    Triumph TR-9060 with 5200 Chiller and 100 watt Z4 RECI.

  5. #5
    ebay links are not permitted
    Last edited by Mike Null; 10-08-2013 at 11:18 AM.
    Triumph TR-9060 with 5200 Chiller and 100 watt Z4 RECI.

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