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INTERFERENCES
Interference may be caused by air bubbles or turbidity in the sample. Scratched or dirty cuvettes
will also affect readings. Always check clearness of cuvettes prior to use.
• Place the sample cuvette into the cuvette holder paying attention to the direction of the light
indicated by the arrow on the instrument. Then put the light shield cap on and ensure that the
notch on the cap is positioned securely into the groove.
• Press
READ
and the lamp, cuvette and detector icons will appear on the display, depending
on the measurement phase.
• At the end of measurement, the instrument directly displays percent of light transmittance as
compared to Glycerol Standard (fixed at one hundred percent) on the LCD.
• Check in the manual to which color class the transmittance value corresponds.
MEASUREMENT PROCEDURE