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The successor to the famous Bob Parker FBT/LOPT kit and
companion to the Blue
ESR meter kit. The Blue
Ring Tester for FBT/LOPTs and all Hi-Q inductive components
What our customers say:
I'll tell you why I DO feel lucky, and that's having
purchased from someone who still understands the meaning of
customer service! That goes a long way in my book (well, if
I had a book). - Tod
Thank you very much for the Blue ESR and Blue RT kits.
They worked out very well and I can honestly highly recommend
your kits. I am very impressed with the quality of your kits
and the detail that you provided to make the assembly absolutely
painless. - George
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Blue
Ring Tester kit (battery not included) $42.00 
Fully assembled, tested and aligned including
9 volt battery $65.00
Easy access battery compartment.
The easiest assembly ever. All components are
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
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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.
USPS Priority Mail shipping to the US (2 - 3 days) just
$6.00, to Canada (5 - 6 days) just US$17.00. Other shipping
options available.
Problems?
Email us.
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