Recently Cal Test Electronics introduced a new line of Elditest brand High Voltage Oscilloscope Probes. The line includes the following models:

  • CT2982B
  • CT4024
  • CT4025
  • CT4026
  • CT4028

The new Elditest probes are high voltage divider probes for use with both digital and analog oscilloscopes. If your job requires you to check on high voltage components such as the flyback transformer and etc then you need this tester. Normal digital and analog multimeter would not be able to measure the high voltage where it can reach more than 20,000 Vdc. Below is the photo and video of the testers:

high voltage probe

About Cal Test Electronics
Since 1995, Cal Test Electronics has been serving the electronic and electrical markets with an extensive line of quality test accessories and a commitment to total customer service. Offering the most comprehensive lines of test accessories, with over 3,000 items in 5 product categories, there is almost no test accessory challenge Cal Test cannot meet. If your requirement is for a custom component or kit, Cal Test currently supplies custom assemblies and kits to several of the largest instrument manufacturers in the world. We want to be your accessory supplier of choice.


Jestine Yong works as an Electronics Repair Lecturer in Kuala Lumpur Malaysia and his training website is You can check out his repair blog at