ขนาดวิดีโอ: 1280 X 720853 X 480640 X 360
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sometimes gives the error when has too much external light. when it happens cover the sample by using a hand and get the reading. All error messages are provided in the instrument manual, along with a description of the cause of the error.
sometimes gives the error when has too much external light. when it happens cover the sample by using a hand and get the reading. All error messages are provided in the instrument manual, along with a description of the cause of the error.