test equipment - Analog scales: Why do they have a metallic strip? - Electrical Engineering Stack Exchange

test equipment - Analog scales: Why do they have a metallic strip? -  Electrical Engineering Stack Exchange

test equipment - Analog scales: Why do they have a metallic strip? - Electrical Engineering Stack Exchange

I have a couple of meters with analog scales and want to know why they have a shiny metallic area following the scale.

test equipment - Analog scales: Why do they have a metallic strip? -  Electrical Engineering Stack Exchange

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test equipment - Analog scales: Why do they have a metallic strip? -  Electrical Engineering Stack Exchange

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test equipment - Analog scales: Why do they have a metallic strip? -  Electrical Engineering Stack Exchange

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test equipment - Analog scales: Why do they have a metallic strip? -  Electrical Engineering Stack Exchange

Electromagnetic interference to my project - Electrical Engineering Stack Exchange

test equipment - Analog scales: Why do they have a metallic strip? -  Electrical Engineering Stack Exchange

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test equipment - Analog scales: Why do they have a metallic strip? -  Electrical Engineering Stack Exchange

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test equipment - Analog scales: Why do they have a metallic strip? -  Electrical Engineering Stack Exchange

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test equipment - Analog scales: Why do they have a metallic strip? -  Electrical Engineering Stack Exchange

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test equipment - Analog scales: Why do they have a metallic strip? -  Electrical Engineering Stack Exchange

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test equipment - Analog scales: Why do they have a metallic strip? -  Electrical Engineering Stack Exchange

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test equipment - Analog scales: Why do they have a metallic strip? -  Electrical Engineering Stack Exchange

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