Hickok 6000a Tube Chart

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• Posted on April 7, 2018 - by This is a Hickok 752A that I restored electronically and calibrated. This is a very nice tester and is very clean.

  

  Torrent mahler complete edition of simcity 6. The 752A has the ability to test a multi section tube without having to re-do the settings for the second section. You just make the settings according to the tube chart, test the first section, then select the second section and make the tests in the second section. The tester came to me with a blown Bias fuse so tubes could not be tested. The Bias fuse is used to protect the Bias potentiometer if incorrect settings are made for the tube being tested. When it is blown, the Bias voltage is not applied to the tube.

  Original roll chart. Source: Came with 600A purchased from Chris Haedt. (O)bsolete – Hickok Obsolete Tube Types/Supplementary Test Data/for Models 533A, 600A, & 605A/Tube Testers/© The Hickok Instrument Co. - 1968/10514 DuPont Avenue Cleveland, Ohio. Consolidated Test Data for Hickok Model 533A-600A-605A Tube Testers.

  The 752A has the ability to test the older and newer tubes, including compactrons. Posted on April 1, 2017 - by This 539C was not working because all three meters were bad. The meters were replaced with digital meter replacements and the tube tester was calibrated. Analog meters in tube testers that are 50 plus years old will have problems. If they are working, they are most likely no longer calibrated and readings will be off. The digital meters are very accurate and not prone to the mechanical issues with the older analog meters. The micromho reading is read from the Gm meter as a percent of the selected scale.

  Posted on February 19, 2011 - by I picked up this tube tester as a trade for refurbishing an amplifier and a tuner. The history of this tube tester is that it was used by P & G (Proctor and Gamble) and then surplused out some years ago.

  The case shows some wear, but the deck and electronics appear to be in excellent shape. The original power cord is still in excellent condition. I checked the calibration and it was spot on and didn’t require any adjustments.

  

  This is a very nice tube tester that doesn’t appear to have seen much use. The 6000A is a compact unit that tests the newer tubes like Compactrons and does not test the older 4, 5, and 7 pin tubes.

  I use this tube tester as my everyday tester for newer style tubes. I especially like the shorts indicators. With a quick glance you can see if there are any shorts before testing the tube for quality. Posted on February 19, 2011 - by This is my “go to” tube tester.

  The Hickok 750 is a Mutual Conductance tube tester. Mutual Conductance tube testers are the best for true vacuum tube performance. When matching tubes, this is the best type of tester to use. The meter movement on this tester has been replaced. The original meter movement developed a mechanical problem. The needle came unglued from the movement coil. A quick fix got it going for the short term, but a new replacement movement was installed.

  This tube tester is in pretty good shape. A lot of the old Hickok tube testers were work horses and were used daily.

  This resulted in a lot of wear on most of them. The case on this particular unit is not too badly beat up.

  There are a few nicks and scratches; overall the tester is in good condition. There is no calibration procedure available for the 750, but several other models of Hickok tube testers are very similar and the calibration procedure can be used from these other testers. I calibrated this tube tester using what information was available. The shorts testing circuitry was pretty far off. Most every tube I tested before calibration showed a short. It now works properly following the calibration. What I particularly like about this tester is that I can check for overall tube quality and also check Mutual Conductance.

  I have found a lot of tubes that will check good on an emission tester will test bad on the 750. Hickok tube testers command a premium price these days, but overall this 750 is a nice tube tester and well worth the investment.

  [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] Find: Modify Search: Text to Find: Boolean: Or And with Topic title: Find: Messages Threads Authored by: Dated from: To Format: YYYY-MM-DD, e.g. 2004-01-31 and Exact Match: and from IP: N/A Only Option Finds an exact phrase, e.g. VPI 16.5 and Sort By: Score Author Date Order: Descending Ascending and Rank By: Forum o or None (use sort by) o Only Option / from Forum.

  ...'>Hickok 6000a Tube Chart(28.10.2018)

• Posted on April 7, 2018 - by This is a Hickok 752A that I restored electronically and calibrated. This is a very nice tester and is very clean.

  

  Torrent mahler complete edition of simcity 6. The 752A has the ability to test a multi section tube without having to re-do the settings for the second section. You just make the settings according to the tube chart, test the first section, then select the second section and make the tests in the second section. The tester came to me with a blown Bias fuse so tubes could not be tested. The Bias fuse is used to protect the Bias potentiometer if incorrect settings are made for the tube being tested. When it is blown, the Bias voltage is not applied to the tube.

  Original roll chart. Source: Came with 600A purchased from Chris Haedt. (O)bsolete – Hickok Obsolete Tube Types/Supplementary Test Data/for Models 533A, 600A, & 605A/Tube Testers/© The Hickok Instrument Co. - 1968/10514 DuPont Avenue Cleveland, Ohio. Consolidated Test Data for Hickok Model 533A-600A-605A Tube Testers.

  The 752A has the ability to test the older and newer tubes, including compactrons. Posted on April 1, 2017 - by This 539C was not working because all three meters were bad. The meters were replaced with digital meter replacements and the tube tester was calibrated. Analog meters in tube testers that are 50 plus years old will have problems. If they are working, they are most likely no longer calibrated and readings will be off. The digital meters are very accurate and not prone to the mechanical issues with the older analog meters. The micromho reading is read from the Gm meter as a percent of the selected scale.

  Posted on February 19, 2011 - by I picked up this tube tester as a trade for refurbishing an amplifier and a tuner. The history of this tube tester is that it was used by P & G (Proctor and Gamble) and then surplused out some years ago.

  The case shows some wear, but the deck and electronics appear to be in excellent shape. The original power cord is still in excellent condition. I checked the calibration and it was spot on and didn’t require any adjustments.

  

  This is a very nice tube tester that doesn’t appear to have seen much use. The 6000A is a compact unit that tests the newer tubes like Compactrons and does not test the older 4, 5, and 7 pin tubes.

  I use this tube tester as my everyday tester for newer style tubes. I especially like the shorts indicators. With a quick glance you can see if there are any shorts before testing the tube for quality. Posted on February 19, 2011 - by This is my “go to” tube tester.

  The Hickok 750 is a Mutual Conductance tube tester. Mutual Conductance tube testers are the best for true vacuum tube performance. When matching tubes, this is the best type of tester to use. The meter movement on this tester has been replaced. The original meter movement developed a mechanical problem. The needle came unglued from the movement coil. A quick fix got it going for the short term, but a new replacement movement was installed.

  This tube tester is in pretty good shape. A lot of the old Hickok tube testers were work horses and were used daily.

  This resulted in a lot of wear on most of them. The case on this particular unit is not too badly beat up.

  There are a few nicks and scratches; overall the tester is in good condition. There is no calibration procedure available for the 750, but several other models of Hickok tube testers are very similar and the calibration procedure can be used from these other testers. I calibrated this tube tester using what information was available. The shorts testing circuitry was pretty far off. Most every tube I tested before calibration showed a short. It now works properly following the calibration. What I particularly like about this tester is that I can check for overall tube quality and also check Mutual Conductance.

  I have found a lot of tubes that will check good on an emission tester will test bad on the 750. Hickok tube testers command a premium price these days, but overall this 750 is a nice tube tester and well worth the investment.

  [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] Find: Modify Search: Text to Find: Boolean: Or And with Topic title: Find: Messages Threads Authored by: Dated from: To Format: YYYY-MM-DD, e.g. 2004-01-31 and Exact Match: and from IP: N/A Only Option Finds an exact phrase, e.g. VPI 16.5 and Sort By: Score Author Date Order: Descending Ascending and Rank By: Forum o or None (use sort by) o Only Option / from Forum.

  ...'>Hickok 6000a Tube Chart(28.10.2018)