Hach POCKET COLORIMETER II Instruction Manual

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Chlorine, Free and Total, HR, continued
4.Press: ZERO/SCROLL
The display will show
“- - - -” followed by “0.0”.
Remove the blank.
5.Fill another 1-cm/10-mL
sample cell to the 5-mL line
with sample. Cap.
Note: Do not use the same
sample cells for free and
total chlorine without
thoroughly rinsing the cells
between the free and total
tests.
6.Use the SwifTest™
Dispenser to add two
dispensations of DPD Free
Chlorine reagent or DPD
Total Chlorine reagent to
the sample cell
(the prepared sample).
Cap the cell and shake
gently for 20 seconds.
Note: Gentle shaking
dissipates bubbles.
5957088.book Page 43 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