Check the listing for details. B+K Precision 520B Transistor Tester Powers Up. Condition: Used. Listed at 65.00 USD. This B+K Precision 520B Transistor Tester is a reliable tool for any business or industrial setting. Made in the United States, it is designed to provide accurate and efficient testing for your transistors. With its powerful features, it can handle a variety of tests and is perfect for any user, whether you're an experienced professional or just starting out. The brand B&K Precision is known for its quality and durability, making this tester a great investment for your company. It is categorized under Business & Industrial, Test, Measurement & Inspection, and Testers & Calibrators, making it a versatile tool for any setting. Don't miss out on this opportunity to enhance your testing capabilities with the B+K Precision 520B Transistor Tester.