
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
2
) on the Liquid Crystal Display.
12
3
6
9
1’
Silica