IEVref:417-03-06ID:
Language:enStatus: Standard
Term: equivalent diameter
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Symbol: DE
Definition: diameter of a circle with area equal to the device projected capture area

Note 1 to entry: The equivalent diameter is generally calculated as: ${D}_{e}=\sqrt{\frac{4A}{\pi }}{D}_{\text{E}}=\sqrt{\frac{4A}{\pi }}$, where A is the projected capture area as illustrated in Figure 3.

Key

 A projected capture area h height w width DE equivalent diameter R radius

Figure 3 – Equivalent diameter calculations for various projected capture areas

Publication date:2022-02
Source:IEC TS 62600-1:2020, 3.14
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