550,190 active members*
2,946 visitors online*
Register for free
Login
Results 1 to 2 of 2
  1. #1
    Registered
    Join Date
    Jan 2008
    Posts
    939

    power supply test

    I did the power supply test for my 130 watt tube using the resistor I got for my 50 watt tube I am getting 40 milliamps on the meter is this a sign of a bad power supply

  2. #2
    Member
    Join Date
    Aug 2021
    Posts
    15

    Re: power supply test

    Just calculate P=U*I (Voltage on current).
    40mA - is a VERY GOOD.
    Actually, 40mA will kill your 130W CO2.
    30-35mA - maximum

Similar Threads

  1. Laser wont fire - but will when pressing test fire on power supply
    By aussiemate in forum General Laser Engraving / Cutting Machine Discussion
    Replies: 0
    Last Post: 08-15-2020, 04:14 AM
  2. Replies: 2
    Last Post: 08-21-2014, 10:22 PM
  3. Replies: 15
    Last Post: 10-29-2013, 12:58 AM
  4. How to test a strange power supply?
    By AlmostHandy in forum General CNC Machine Related Electronics
    Replies: 4
    Last Post: 04-19-2009, 02:57 AM
  5. power supply test
    By dlenox in forum DIY CNC Router Table Machines
    Replies: 5
    Last Post: 04-28-2004, 02:06 AM

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •