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Rejuvenation is not a permanent fix. Depending on the quality of the rejuvenator and the overall condition of the CRT, you could get anywhere from a day up to a year+ out of a rejuvenated CRT. And, some CRT's are so bad that rejuvenation will not bring them back. CRT rejuvenation was mainly done in order to either give the customer time to save up for a new CRT or a new TV set. In the case of TV collectors, it's usually done to give us time to locate a suitable CRT.
I use a B&K 470 for old and newer CRT's and it has done well for me. There is also the B&K 480, which is basically the same as the 470. And, there are the B&K 467 and 490, which are the better models with 3 meters so that the CRT guns can be evaluated all at once. Don't get any B&K tester with a model number below 467 because these older testers have a rather crude rejuvenate function that will often do more harm than good. The older B&K testers are fine if you don't plan to rejuvenate any CRT's and if you only plan to check older pre mid-'70's era CRT's. If you plan to check the newer inline gun CRT's from the '70's-present or plan on doing any rejuvenating, get a newer tester.
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10-03-2010, 08:50 AM
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