19912-205 HICKOK Tube Tester Rotary Switch

Review HICKOK 1991 2-205 And Other Tube Tester Rotary Switch

The Hickok 19912-205 600A Tube Tester is a versatile and powerful instrument designed for testing vacuum tubes and other high voltage components. This rotary switch model offers a user-friendly interface and accurate testing capabilities, making it an essential tool for electronics technicians and hobbyists.

The heart of this tube tester is its 600A current output, which allows it to handle and test a wide range of vacuum tubes, from small signal triodes to large power tubes used in amplifiers and power supplies. The rotary switch design provides easy access to various test functions, including DC plate voltage, grid voltage, grid current, screen grid voltage, screen current, and anode current testing.

The Hickok 19912-205 features a high-contrast, easy-to-read digital display that shows various test parameters, including voltage and current values. The instrument offers both automatic and manual test modes, giving users the flexibility to choose the testing method best suited for their needs. Additionally, the tube tester includes various safety features, such as overvoltage protection, short circuit protection, and a ground connection warning.

The design of the Hickok 19912-205 is rugged and durable, with a robust metal case that can withstand the rigors of daily use in a workshop or laboratory environment. The instrument also includes a built-in carrying handle, making it easy to transport between locations.

This tube tester also comes with a comprehensive set of test leads and adapters, allowing users to test various types of vacuum tubes and components. The Hickok 19912-205 is backed by a one-year manufacturer's warranty, ensuring that users can rely on its performance and accuracy for years to come.

In summary, the Hickok 19912-205 600A Tube Tester Rotary Switch is a valuable and indispensable tool for electronics technicians and hobbyists who work with vacuum tubes and high voltage components. Its versatile testing capabilities, user-friendly design, and robust construction make it a reliable and accurate instrument for a wide range of applications.

The Hickok 19912-205 600A Tube Tester is a rotary switch type test instrument designed for testing vacuum tubes used in various electronic applications. Here are some potential pros and cons of buying this tube tester:

1. High Testing Capability: This tube tester can test tubes with a maximum rating of 600A, making it suitable for testing high power tubes used in industrial and high power audio applications.

2. Versatile Testing: It can test different types of vacuum tubes, including triodes, tetrodes, pentodes, and beam power tubes.

3. Easy to Use: The rotary switch design makes it easy to test different tubes, and the front panel provides clear and easy-to-read indicators for various test parameters.

4. Durable Construction: The Hickok 19912-205 is built with a rugged and durable construction, designed to withstand the demands of industrial and laboratory use.

5. Calibration Capability: The tube tester has a calibration feature that ensures accurate test results over its entire operating range.

1. Limited Input Sources: This tube tester only provides a fixed DC voltage and current for testing tubes. It does not have the capability to test tubes with AC inputs or different types of input sources.

2. Size and Weight: The Hickok 19912-205 is a large and heavy piece of equipment, weighing around 70 pounds, making it difficult to transport and move around frequently.

3. Expensive: This tube tester is a professional-grade instrument and comes with a high price tag, which may be a barrier for hobbyists or smaller businesses.

4. Requires Regular Maintenance: As a high-performance test instrument, the Hickok 19912-205 requires regular maintenance to ensure optimal performance and accuracy.

The Hickok 19912-205 600A Tube Tester is a high-performance and versatile test instrument suitable for industrial and laboratory applications. Its high testing capability, easy-to-use design, and durable construction make it an ideal choice for testing high power vacuum tubes. However, its limited input sources, size and weight, high cost, and requirement for regular maintenance may be significant drawbacks for hobbyists or smaller businesses.

If you are a professional technician or engineer working in an industrial or laboratory environment and need to test high power vacuum tubes regularly, the Hickok 19912-205 600A Tube Tester is an excellent choice. However, if you are a hobbyist or smaller business with limited budget and testing requirements, you may want to consider more affordable and portable tube testers with more input sources and easier maintenance requirements.

Details:

Looks to be the same as my 800a and TV 7 /u but verify yourself. Thanks removed from a Hickok 600A. Likely fit other makers and model's but please verify for yourself.

specifications vactubetest:

• brand: Hickok
• mpn: 19912-205
• model: 600a. 800 800a 7
• part type: Tester Switch Tube

general vactubetest:

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

returns vactubetest:

• policy: no returns

offer vactubetest:

• sold #: 11
• options: ship-to-home
• availability: in stock
• prices: $325.00–$449.97
• item condition:
  • For parts or not working
  • New – Open box
  • Seller refurbished
  • New
  • Used
• started: march 5, 2026
• in stock #: 5

shipping vactubetest:

• type: fixed
• service: usps ground advantage
• class: standard
• carrier: usps
• transit: 5-11 days

seller vactubetest:

• # reviews: 356
• city: schenectady, new york
• rating: 100.0%

payments vactubetest:

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