User Guide

62
Fluoride
Place the cuvet with the reacted distilled
water (# 1) into the holder and
ensure that the notch on the cap is
positioned securely into the groove.
Press TIMER and the display will show the countdown prior to
zeroing the blank or, alternatively, wait for two minutes and
press ZERO and "SIP" will blink on the display.
Wait for a few seconds and the display
will show "-0.0-". Now the meter is
zeroed and ready for measurement.
Remove the cuvet.
Insert the other cuvet (# 2) with the
reacted sample into the instrument.
Press READ DIRECT and "SIP" will blink on the LCD during
measurement.
The instrument directly displays concentration in mg/L of fluoride
on the Liquid Crystal Display.
Note: For wastewater or seawater samples, before performing
measurements, distillation is required.
Note: For most accurate results, use two graduated pipettes to
deliver exactly 8 mL of distilled water and 8 mL of sample.
# 2
# 1