VEVOR EM4556 Hoja De Instrucciones página 5

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If you do not use the instrument for a long period of time, remove the
battery from the battery compartmentto avoid damage.
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Do not expose the instrument to direct sunlight or to extreme
temperatures and humidity.
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Before use, verify the instrument's operation by testing a device (
e.g. electric fan, router ) which is producing electromagnetic field. Do
not use the instrument if it operates abnormally or it is damaged.
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Adhere to local and national safety codes.
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Use caution when working in the vicinity of powerful radiation
sources. Long term exposure toelectromagnetic field may be the
cause of childhoodleukemia and other forms of cancer.
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Persons with electronic implants ( e.g. cardiac pacemakers ) should
avoid powerful radiation sources.
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Carefully read the operating instructions for equipment generating
electromagnetic field that will be measured.
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Do not operate the instrument where explosive gas, vapor or dust is
present.
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Please measure from a distance for high-pressure facilities to make
sure of safety.
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