Hach POCKET COLORIMETER II, Basic User Manual

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Option Description
rCL Shows the last 10 measurements recorded. Push to show the
recorded measurements (01—most recent measurement, 10—
oldest measurement). Push to scroll through the measurements.
To select a measurement by number, push to select the number
and then . Push to go out of this option.
SCA Refer to the expanded user manual on the manufacturer's website.
3. Push to go back to measurement mode.
Run a test
W A R N I N G
Chemical exposure hazard. Obey laboratory safety procedures and
wear all of the personal protective equipment appropriate to the
chemicals that are handled. Refer to the current safety data sheets
(MSDS/SDS) for safety protocols.
The basic measurement steps necessary to run a test follow. Refer to
the applicable method to run a specific test.
1. Select the applicable measurement range or parameter. Refer to
Configure the instrument on page 11.
2. Prepare the blank according to the method document. Make sure to
use the correct sample cell size. Rinse the sample cell and cap with
the blank before the sample cell is filled.
3. Close the sample cell and clean the optical faces of the sample cell
with a lint-free cloth.
4. Insert the blank sample cell into the cell holder. Make sure to install
the blank sample cell in the correct and consistent orientation so
that the results are more repeatable and precise. Refer to
Figure 6 .
5. Install the instrument cap over the cell holder. Refer to Figure 7 .
6. Push to set the instrument zero. The display shows "0.000", or
the degree of resolution that was previously selected.
7. Prepare the sample. Rinse the sample cell and cap with the sample
three times before the sample cell is filled. Add reagents as
specified by the method document.
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