Blue Ring Tester Schematic Diagram Exclusive [extra Quality] -

The is the gold-standard DIY solution for this problem. In this exclusive breakdown, we provide the schematic diagram and explain exactly how this legendary "Q-tester" works. What is a Blue Ring Tester?

The tester connects in parallel with the inductor under test, forming a resonant circuit with an internal capacitor. blue ring tester schematic diagram exclusive

If you build this from a schematic, calibrate it using a known-good flyback transformer. You want the full "Blue" range to light up on a healthy, high-inductance component. The is the gold-standard DIY solution for this problem