Boonton Electronics 62AD Inductance Meter

The Boonton Electronics 62AD Inductance Meter is a compact, digital instrument designed to measure inductance (L) in discrete components, offering four full‑scale ranges: 2 µH, 20 µH, 200 µH, and 2000 µH. It operates at a test frequency of 1 MHz, a standard choice for evaluating inductors used in RF and high‑frequency circuitry, enabling consistent assessments of coil behavior and core characteristics. This dedicated inductance measurement tool is well suited for bench testing of inductors, chokes, ferrite beads, and transformer windings, providing quick verification of L values during circuit debugging or batch QC. Reported specifications commonly cited in historical references include 1 MHz test frequency and a 2–2000 µH measurement band, with an accuracy around 1.5%, which supports reliable comparison against design tolerances. Built by Boonton Electronics, a name long associated with precision impedance and inductance testing, the 62AD represents a vintage yet practical instrument for technicians who need direct, on‑card inductance checks without auxiliary measurement modes.