Hach POCKET COLORIMETER II Instruction Manual

1—27
Chlorine, Free and Total, LR, continued
7.For free chlorine, wipe
excess liquid and
fingerprints from the
AccuVac Ampule. Put the
ampule in the cell holder,
then cover with the
instrument cap. Proceed to
step 9 within one minute
after filling the AccuVac
Ampule.
8.For total chlorine, wait
3to 6 minutes after filling
the AccuVac Ampule. After
the reaction time, wipe
excess liquid and
fingerprints from the
ampule. Put the ampule in
the cell holder, then cover
with the instrument cap.
Proceed to step 9.
9.Press READ/ENTER.
The instrument will show
- - - - followed by the results
in mg/L chlorine.
Note: If the sample temporarily turns yellow after reagent addition, or if the display shows
overrange (page 2—12) dilute a fresh sample and repeat the test. A slight loss of chlorine
may occur because of the dilution. Multiply the result by the appropriate dilution factor.
5957088.book Page 27 Friday, March 22, 2013 3:54 PM

Hach POCKET COLORIMETER II Specifications

General

Measurement Method	Colorimetric
Display	LCD
Operating Temperature	0 to 50 °C
Storage Temperature	-40 to 60 °C
Waterproof Rating	IP67
Weight	0.23 kg
Light Source	LED
Range	Varies by parameter
Wavelength	Varies by parameter
Battery Life	Approximately 2000 tests