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Isolation Diagrams

An isolation diagram is a tool to communicate spacings and dielectric requirements of the standards to the designers of the product. Isolation diagrams provide product designerswith ways to identify alternative ways to meet requirements, which can allow the product to be designed at a lower cost or more easily manufactured, which saves money and time. Isolation diagrams should be completed prior to the safety agency evaluation of the product. Otherwise, the product may need to be re-designed, which is very costly in time and money and detrimental to the market advantage.

An isolation diagram indicates how the patient is isolated from the mains and secondary circuits of the product. In addition to patient and circuit isolation, there are a number of additional areas of concern for a product in terms of meeting insulation requirements, however patient isolation remains critical to a design.

The isolation diagram proves two levels of protection available so if a single fault occurs the user or patient will be safe from an electrical shock or another type of hazard. Another good reason for an isolation diagram is that it is a good block diagram that can show some general information about the product without extensive schematics. This allows non-technical people to better understand the design.

In summary, an isolation diagram is a tool to meet many needs instead of just to meet the Safety Agency Requirements. Keystone Compliance has extensive knowledge and experience with isolation diagrams.

Contact Keystone Compliance for more information on how we can assist you with your isolation diagram needs.

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