Testing Equipment

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  Tektronix 2440 Scope Backup Lithium Replacement

                    Most of Jestine’s Repair Blog...

  • Posted April 11, 2016
  • 16
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  How To Measure Current With Your Scope

                  1. Your scope as a voltmeter...

  • Posted March 17, 2016
  • 29
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  Not Common To See Duoyi DY294 Tester Taken Apart And Repair-Part 1

                    As a very interested Electronics...

  • Posted March 10, 2016
  • 38
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  Not Common To See Duoyi DY294 Tester Taken Apart And Repair-Part 2

                  Click HERE for part 1. After...

  • Posted March 10, 2016
  • 29
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  Build Your Own Capacitor Discharge Probe

                  In another post the subject of...

  • Posted January 13, 2016
  • 23
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  Accuracy, Precision and Resolution

                While reviewing and polishing my notes for...

  • Posted November 13, 2015
  • 38
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  Multi-range versus single or dual range power supplies

                  Below is the video of the...

  • Posted April 9, 2015
  • 0
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  LCR-600 100 kHz High Precision LCR Meter

            I’ve got an email from Caltestelectronics about the new...

  • Posted April 2, 2015
  • 2