Quality Custom Transformers for the Aerospace & Defense Industries
Since 1929 in the United States
805 658 7286


Our testing facility is fully capable of meeting the electrical and environmental requirements of MIL-PRF-27 and MIL-STD-981 for screening, group B and qualification testing. The electrical characteristics of every piece are measured during in-process and final Group A testing. Group B and/or qualification testing can be performed as required by customer contracts.

In addition we have the capability of performing real-time X-ray to meet the requirements of MIL-STD-981. Robert M. Hadley Company, Inc. also performs as a testing lab for customer built devices for electrical, environmental, partial discharge and X-ray inspection testing.

We always test our products with:

  • Federally acknowledged qualified testing lab
  • Vibration testing
  • Electrical characteristics
  • Environmental characteristics
  • Always test for industry standards
  • Real time radiographic inspection

MIL - STD - 981
MIL - STD - 202
MIL - PRF – 27

All environmental testing done at RMHco:

  • Transformers, inductors, reactors, coils
  • Environmental Testing / Grp B / Life Test / Shock & Vibe / Electrical & Mechanical Testing / Temperature Cycle / Humidity /Temperature Rise / Solvents
  • MIL-STD-981 testing service
  • Partial Discharge / Corona testing service
  • Qualification Inspection Testing
  • Automatic testing

Contact us today and give us a ring for quality reliable custom magnetics and transformers!