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• Replace the cuvette into the cuvette holder and ensure that the notch on the cap is positioned
securely into the groove.
INTERFERENCES
Bromine (positive error)
Oxidized Manganese and Chromium (positive error)
Chlorine dioxide (positive error)
Ozone (positive error)
Iodine (positive error)
• Press and hold READ /TIMER for three seconds. The display will show the countdown prior
to measurement. The beeper is playing a beep at the end of countdown period.
• At the end of measurement, the instrument directly displays concentration in mg/L of
Chlorine UHR and the range number on the LCD.
Alternatively, wait for 1 minute and just press READ /TIMER.
In both cases, the lamp, cuvette and detector icons will appear on the display, depending on
the measurement phase.
MEASUREMENT PROCEDURE
3”
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