User Guide

129

• Wait for 1 minute. This is the blank.

• Place the cuvet into the holder and

ensure that the notch on the cap is

positioned securely into the groove.

• 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 and add the

content of one packet of HI 93705C

Amino acid reagent and shake until

it is completely dissolved.

• Reinsert the cuvet into the instrument.

• Press TIMER and the display will show the countdown prior to the

measurement. Alternatively, wait for exactly 3 minutes and press

READ DIRECT. In both cases “SIP” will blink during measurement.

• The instrument directly displays concentration in mg/L of silica

(SiO

) on the Liquid Crystal Display.

1’

Silica