18
MEASUREMENT PROCEDURE
• 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 bromine
on the LCD.
INTERFERENCES
Chlorine
Iodine
Ozone
Oxidized forms of chromium and manganese
Alkalinity above 300 mg/L and acidity above 150 mg/L as CaCO
3
require neutralization since the
color could instantly fade. To resolve this, neutralize the sample with diluted HCl or NaOH.
In case of water with hardness greater than 500 mg/L CaCO
3
, shake the sample for approximately
1 minute after adding the reagent.
Alternatively, wait for 2 minutes and 30 seconds then just press
READ /TIMER.
3''
In both cases, the lamp, cuvette and detector icons will appear on the display, depending on the
measurement phase.