Instrumentation Reference Book, 4th Edition

45.5. The Regulatory Framework

45.5.1. Customer Requirements

Historically, the EMC aspects of instrumentation have largely been driven by the customer's need for a reliable instrument. An instrument must function correctly in whatever environment it is supplied for, and one aspect of that environment is electromagnetic interference. Therefore, a technically alert customer will specify that correct operation must be maintained under given conditions of interference.

Several large organizations have over the past decades developed their own standard requirements, sometimes based on published International Standards and sometimes not. These requirements are enforced contractually. Internally developed requirements are usually a response to known ...