Advanced operations – Hach DR 5000 User Manual

Page 98

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98

Advanced Operations

3. Press Zero. ”Zeroing....“ appears below the graph as the

baseline scan begins.

4. Insert the prepared sample cuvette/cell into the cuvette/sample

cell holder.

5. Press Read. Below the graph ”Reading...“ appears and a graph

of the absorbance or transmittance values at the scanned
wavelengths is displayed continuously.

The Wavelength Scan is complete, if

the graph is shown full size,

the scaling of the x-axis fits automatically,

the Cursor functions in the vertical navigation bar are
highlighted.

6.6.2.1 Navigation of the wavelength scan graph or a wavelength scan analysis

Table 15 Navigating the wavelength scan

Cursor Function/
Zoom Function

Description

Curve Icon
(Choice of Cursor Mode)

Choice of Cursor Mode Peak/Valley (cursor moves between minimum/maximum absorbance
values) or Cursor Mode Tracking (cursor moves over each data point of the scan).

Arrow keys

The arrow keys are used (right/left) to move the cursor (depending on the selected mode) to the
next data point. The data of the data point (wavelength/absorbance or transmittance value) are
highlighted on the x and y axes.
Note: Press any point on the curve to display the associated data.

Zoom Icon

This function is used to magnify the section of the curve in the vicinity of the cursor. The original
curve size can be restored by pressing the zoom icon again.

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