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About Us

GMW began operations in 1982, as principals, Hilton Glavish, Barry MacKinnon and Ian Walker, from the defunct New Zealand company ANAC set up in the San Francisco Bay Area to support their existing North American customers. The company quickly moved from solely Lab Electromagnets into instrumentation, getting into the Magnetic Resonance Imaging (MRI) business with the founding of Metrolab Technology in the mid 80’s. Accelerator Physics and MRI drove growth throughout the 80’s and into the 90’s, with the Superconducting Supercollider (SSC) cancellation in 1993 allowing the company to further diversify into additional markets.

Today, GMW are 20 people with co-founder Ian Walker now entering his 37th year at GMW and continuing to offer a very high level of support to our customers.   read more

What’s New

GMW will be showing new PEM Rogowski Coil Probes at IEEE ECCE in Phoenix 10/20-10/24

We’re exhibiting at the IEEE Energy Conversion Congress & Expo (ECCE) in Phoenix, AZ October 20-24 in Booth 307.

We will be showing a sneak-peek of NEW Rogowski Coil probes from PEM:

  • CWTUM-s. An even thinner Utra-Mini probe with a 1.2mm cross section without compromises in performance for measuring devices as small as TO-220 and D2PAK packages.
  • CWTUM-F / CWTUMHF-F. A “forked” Rogowski Coil in 1.2mm Ultra-Mini cross-section, or…
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