Color Measurement And Calibration Procedure - Hach 2100AN User Manual

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Color measurement and calibration procedure

1. Make sure that the
2. Push RANGE to
455 nm filter assembly
select manual or
is installed in the
automatic ranging.
instrument.
Refer to
automatic ranging
on page 33.
3. Push SIGNAL AVG
to set signal averaging
on or off. Refer to
Manual or
Signal averaging on or
off
on page 33.
4. Push UNITS/Exit
5. Push CAL/Zero.
until "CU" is shown on
The display shows
the display.
"ZERO" CU.
Note:
The instrument starts
analytical zeroing for
Color, Transmittance,
and Absorbance modes
at the same time.
6. Using the manual
flow cell kit, install the
flow cell. Refer to
Using
a flow cell
on page 34.
Note: The sample cell
cover does not close
when the flow cell is
installed.
English 31

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