538B HICKOK Tube Tester

Review HICKOK Tube Tester

The Hickok 538B/539B Tube Tester is a versatile and powerful diagnostic tool designed for testing and analyzing vacuum tubes used in various electronic devices. This tester is part of Hickok's renowned line of precision test equipment, known for their accuracy and reliability.

The 538B/539B Tube Tester provides a comprehensive range of tests for different types of vacuum tubes, including triodes, tetrodes, pentodes, and beam power tubes. It is capable of measuring crucial parameters such as plate current, grid voltage, anode voltage, grid leakage, and plate dissipation, among others. The tester also includes a high-voltage power supply, allowing it to test tubes with filament voltages ranging from 2.5 to 15 volts and anode voltages up to 1000 volts.

One of the standout features of the Hickok 538B/539B Tube Tester is its user-friendly design. The instrument offers an intuitive interface with clear and concise digital readouts, making it easy to interpret test results. Additionally, it comes with a built-in test set that includes a wide variety of test loads and impedances, enabling users to perform various tests on tubes without the need for additional accessories.

The 538B/539B Tube Tester is constructed with high-quality components and is built to last. It is housed in a robust metal casing, ensuring durability and protection against environmental factors. Moreover, it is designed with excellent thermal management, ensuring that the tester remains cool during prolonged testing sessions.

In summary, the Hickok 538B/539B Tube Tester is an indispensable tool for electronics technicians and hobbyists who work with vacuum tubes. Its extensive range of tests, user-friendly interface, and high-quality construction make it a reliable and accurate diagnostic instrument. Whether you are troubleshooting a faulty amplifier, restoring vintage equipment, or maintaining a large installation, the Hickok 538B/539B Tube Tester is an essential addition to your toolkit.

Hickok 538B/539B Tube Tester: An In-depth Analysis

The Hickok 538B/539B tube tester is a popular choice among electronics enthusiasts and technicians due to its versatility and comprehensive testing capabilities for vacuum tubes. In this analysis, we will discuss the pros and cons of investing in this tube tester, ending with a conclusion and recommendation.

1. Comprehensive Testing: The Hickok 538B/539B can test various types of vacuum tubes, including triodes, tetrodes, and pentodes. It offers tests for current, resistance, plate voltage, grid voltage, grid leakage, and other essential parameters.

2. Durable Construction: The tube tester features a sturdy metal casing, which ensures longevity and durability. The large, easy-to-read dial and analog indicators make for a user-friendly experience.

3. Versatility: This tube tester can be used for both diagnostic and maintenance purposes. It is particularly useful for repairing and restoring vintage electronics, such as old radios and amplifiers.

1. Limited Microamp Range: The Hickok 538B/539B does not offer a microamp range, making it less suitable for testing very low-current tubes, such as some types of vacuum microphones and certain types of RF tubes.

2. Limited Automation: While the Hickok 538B/539B offers a wide range of tests, it does not fully automate the testing process. Manual adjustments and careful monitoring are required during testing.

3. Power Consumption: With a power consumption of around 120-130 watts, this tube tester may consume more power compared to some modern alternatives.

The Hickok 538B/539B tube tester is a reliable and versatile tool for vacuum tube testing and repair. Its comprehensive testing capabilities, durable construction, and wide applicability make it an excellent choice for electronics enthusiasts and professionals. However, its limitations in the microamp range and automation may be drawbacks for certain users.

If you are looking for a comprehensive and reliable tube tester for general vacuum tube testing and repair, the Hickok 538B/539B is an excellent choice. It is especially recommended for those working on vintage electronics or restoring old equipment. However, if you require a tube tester with microamp testing capabilities or automation, you may want to consider other options in the market.

Details:

Calibrated in 2010 by roger Kennedy. I have a picture of the meter on this 539B also my 539c during testing 6l6gc, to show how close both testers run. Hickok model 539B tube tester. Domestic shipping only.

I ll try my best to answer. Please feel free to ask any questions. This is a super nice unit in fantastic condition. I also have a calibrated 539c, that done comparison test with they both read almost identical on everything i've tested.

Comes with calibration paperwork, original owners manual, adapters some spare bulbs. Face plate is like new. Extremely clean unit with minimal wear on the outside of case. All controls, lights meters function as designed.

specifications vactubetest:

• brand: Hickok
• mpn: 538b
• part type: Tester Tube
• unit type: Unit
• country/region of manufacture: United States

general vactubetest:

• category: Business & Industrial > Test, Measurement Inspection > Calibrators > Tube Testers

shipping vactubetest:

• transit: 4-10 days
• type: calculated
• class: standard
• carrier: usps
• service: usps ground advantage

payments vactubetest:

• wallet: apple-pay
• other
• credit card: diners-club

offer vactubetest:

• availability: in stock
• best offers: true
• sold #: 11
• started: september 15, 2025
• options: ship-to-home
• price: $6.50
• item condition: New
• in stock #: 1

seller vactubetest:

• # reviews: 649
• city: jefferson city, missouri
• rating: 100.0%

returns vactubetest:

• policy: no returns