Name: Hach 2100P ISO
Brand: Hach
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SECTION 3, continued

3.2.3 Matching Multiple Sample Cells

Precise measurements of very low turbidity samples require the cells be

optically matched or a single cell be used for all measurements. If more

than one cell is used, follow this procedure to match (index) the cells:

1. Clean and oil

the sample cells

as instructed in

Section 3.1.1 on page 35.

2. Fill the clean sample

cells to the line with the

same sample.

3. Press: I/O to turn the

instrument on.

4. Insert the first

sample cell into the

sample compartment and

close the cover.

5. Press: READ

Record the cell position

in the compartment and

the displayed reading.

Place an orientation mark

on the cell marking band.

Note: This procedure may be

easier if the user holds the

READ key through the whole

process. This allows the lamp

to remain on and make con-

tinuous readings.

6. Insert the second

sample cell into the cell

compartment and close

the cover.

READ

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Hach 2100P ISO Specifications

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