Vintage TS-26B/TSM Test Set Volt-Ohmmeter Military Signal Corps Apex Airtronics For Sale

This is an Apex Airtronics TS-26B/TSM Test Set, a portable volt-ohmmeter originally built for Signal Corps field technicians to check lines and equipment. A solid piece of mid-century military test gear, still in good working condition today.

• Model: TS-26B/TSM
• Made by: Apex Airtronics
• Condition: Great vintage cosmetic shape, kept in its original grey carry case with the canvas strap still attached.
• Included: Original wiring schematic inside the lid, the calibration chart, and a pair of test leads (red/black).

• Measures: DC volts up to 600V, plus ohms across several ranges (X, R, Rx10, Rx100, Rx1000).
• Battery: Runs on a 45V battery, not included.
• Weight: About 3 kg / 6.6 lbs.
• Case: Rugged mil-spec housing with a gasket-sealed lid.

A nice find for anyone into vintage test equipment, military radio gear, or Cold War-era electronics.