Hanna-instruments HI 96101 Manual do Utilizador descarregar pdf (Página 27)

• Place the cuvette into the cuvette holder and

ensure that the notch on the cap is positioned

securely into the groove.

• Press and hold READ/ /TIMER for three

seconds. The display will show the countdown

prior to measurement. An audible “beep”

indicates the end of the countdown period.

• Alternatively, wait for 30 seconds then just

press READ/ /TIMER. In both cases, 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 concentration in mg/L of

iron LR on the LCD.

INTERFERENCES

Interference may be caused by:

Cadmium above 4.0 mg/L; Chromium

above 0.25 mg/L; Chromium

above 1.2 mg/L;

Cobalt above 0.05 mg/L; Copper above 0.6 mg/L; Cyanide above 2.8 mg/L; Manganese above

50.0 mg/L; Mercury above 0.4 mg/L; Molybdenum above 4.0 mg/L; Nickel above 1.0 mg/L;

Nitrite ion above 0.8 mg/L.

Sample pH should be between 3 and 4 to avoid developed color to fade or turbidity formation.

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Hanna-instruments HI 96101 Manual do Utilizador Página 27