horiba OM-71G, Инструкция по эксплуатации

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Preparation
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Preparation
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Confirmation before starting measurement
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Have you prepared the appropriate electrode for the measurement parameter?
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If not, purchase the appropriate electrode.
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Is the prepared electrode in good condition?
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If the responsive part is stained or damaged, it may not be possible to obtain
accurate values.
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Have you prepared the appropriate standard solution for the measurement parameter?
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If not, prepare the standard solution by yourself or purchase it.
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Are there any items that should not be wet or stained around the instrument?
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Depending on the operation during measurement, items around the instrument could
get wet or stained. Secure sufficient space around the instrument and perform
measurement while always paying attention to safety.
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Are there any devices that can be a source of noise?
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Measured values could be affected. Do not use the instrument near such devices.
Always ground devices operated by AC power.