Pristine Tektronix Type 422 Dual-Trace Portable Oscilloscope – Laboratory Provenance
Description: Available is a remarkable example of mid-century engineering: the Tektronix Type 422 Oscilloscope. Introduced in the 1960s, the 422 was the gold standard for portable field service, offering a 15 MHz bandwidth in a rugged, solid-state package.
This particular unit is in excellent aesthetic condition and appears to have been part of the Brower Propulsion Laboratory (as seen on the vintage asset labels), adding a wonderful layer of scientific history to the piece.
Condition & Testing:
Aesthetics: The aluminum cabinet is in fantastic shape with minimal wear. The front panel is crisp, and all knobs/switches are present and move smoothly.
Power Test: The unit powers on successfully. The CRT display remains bright and clear.
Accessories: This is a complete kit. It comes with the rare detachable front protective cover, which houses the original probes, power cord, and leads (all included).
Key Specifications:
Performance: Dual-channel, DC to 15 MHz bandwidth.
Display: 4-inch diagonal CRT with original mesh expansion.
Portability: Features the signature "flip-back" handle that doubles as a stand.
Design: Rugged, transistorized design known for its durability.
What’s Included:
Tektronix 422 Main Unit
Detachable Power Supply
Front Protective Metal Cover/Accessory Case
Original Tektronix Probes, Cables, and Power Cord (as shown in photos)
Collector's Note: Finding a 422 with the front cover and accessory kit intact is becoming increasingly difficult. This is a "time capsule" piece perfect for a vintage lab setup or a serious electronics collector.