User Guide

80Hydrazine
• Wait for a few seconds and the display will
show a blinking "good". Now the meter is
ready to take a zero measurement.
• Fill a second cuvet with 10 mL of unreacted
sample (up to the mark) and replace the cap.
• Add 12 drops of the
HI 93704 reagent
to each cuvet. Re-
place the caps and
shake gently to mix.
• Place the blank (#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. "SIP" will blink during zeroing.
• Wait for a few seconds and the display will
show “-0.0-”. Now the meter is zeroed
and ready for measurement.
• Remove the blank.
10 mL
# 2
x 12
# 1 # 2
x 12
# 1