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Blue LOPT/FBT Flyback Transformer Ring Tester kit (battery not included) $61.50USD (ORDER PAGE)

Easy access battery compartment, very nice BLUE plastic case with rubberized sides for sure grip (great case made by Hammond a Canadian Company.)

The easiest assembly ever. All components are clearly marked on the solder masked pc board.

This ring tester is an inexpensive and effective way to test any high Q inductive component. It is especially useful for doing a quick check on flyback transformers, line output transformers and other high frequency inductive components like deflection yoke windings and SMPS transformers.

Hi Q = low loss inductive components. A shorted turn or coil will show no rings. A shorted FBT diode will show few or no rings.

The LEDs on the left side show the Q of the device being tested, more lights = higher Q, i. e., no lights = short circuit, red = Bad or low Q, yellow = ??? or medium Q, green = Good or high Q.
Tests in circuit, & test leads are non-polarized
Easy-to-read, high brightness red, yellow and green LEDs display the Q of the device being tested.
Simple operation for fast easy diagnosis of faulty inductive components.
New Improved design increases sensitivity for low impedance components such as SMPS transformers and deflection yokes.
Includes a ferrite core and mag

Download the assembly manual. The manual includes a description of how ring testers work.

Tools needed:

*Solder iron with small tip (40 - 60 watts is ideal)
*Rosin core solder
*needle nose pliers
*wire stripper
*wire cutters - small diagonal cutter is ideal
*#1 phillips screwdriver

Assembly time will be 1 to 1.5 hours with average soldering skill.

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