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Hach 2100AN IS User Manual

Hach 2100AN IS
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Page #29 background image
7. Read and record the
value when stable.
Note: To print or send
(via RS232) a
measurement record,
push PRINT.
Absorbance and transmittance measurement
Measurement notes
For the best accuracy and reproducibility:
Absorbance and transmittance can only be measured at 860 nm.
Set the zero reference point before measurement. Set the zero
reference point again when a measurement is not taken for several
hours as shown in Absorbance and transmittance measurement
procedure on page 28.
Transmittance and absorbance measurements use the same zero
reference point. Absorbance and transmittance can be measured on a
single sample after setting a zero reference point in one of the two
modes.
Use a flow cell for measurements. A flow cell is necessary to get the
accuracy and reproducibilty specifications shown in Specifications
on page 5.
If a flow cell is not used, use a single indexed sample cell or match
sample cells. Sample cells should be matched using the
Transmittance or Absorbance modes. Refer to Matching sample cells
on page 21.
Refer to Measurement notes on page 25 for more measurement
notes.
English 27

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Hach 2100AN IS Specifications

General IconGeneral
BrandHach
Model2100AN IS
CategoryLaboratory Equipment
LanguageEnglish

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