User Guide

17
H
I9
3
7
4
8
A
B
C
• Add the content of one packet of
HI 93748A ascorbic acid to each
cuvet, replace the caps and shake
gently.
• Add 0.2 mL of the
HI 93748B alkaline-
cyanide reagent
solution to each cu-
vet, replace the
caps and shake gen-
tly.
• Add 1 mL of the HI 93748C
0.1% PAN indicator solution
to each cuvet, replace the
caps and shake gently.
• Place the cuvet with the reacted deion-
ized water (blank) into the holder
and ensure that the notch on the cap
is positioned securely into the groove.
• Wait for 2 minutes and press ZERO. "SIP" will appear during
zeroing.
• Wait for a few seconds and the display will
show "-0.0-". Now the meter is zeroed and
ready for measurement.
• Insert the second cuvet with the reacted
sample into the instrument.
ZERO
12
3
6
9
2’
HI 93742
Iron LR/Manganese LR36
TOTAL CHLORINE MEASUREMENTTOTAL CHLORINE MEASUREMENT
TOTAL CHLORINE MEASUREMENTTOTAL CHLORINE MEASUREMENT
TOTAL CHLORINE MEASUREMENT
H
I 9
3
7
1
1
• Fill the cuvet up to the mark with 10 mL of
unreacted sample and replace the cap.
• 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 appear on the display.
• Wait for a few seconds and the display will
show "-0.0-". Now the meter is zeroed and
ready for measurement.
Powder reagents procedure
• Remove the cuvet and add one packet of DPD Total
Chlorine reagent. Replace the cap and shake gently.
• Reinsert the cuvet into the instrument.
• Wait for 2 minutes and 30 seconds and then press READ. The
display will show "SIP" during measurement.
• The instrument directly displays concentration in mg/L of total
chlorine on the Liquid Crystal Display.
ZERO
Total Chlorine
10 mL