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