7 set the chemical form, Standard operations – Hach DR 5000 User Manual

Page 47

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47

Standard Operations

5. Press Adjust to enable the Standard Adjust. The Standard

Adjust icon will appear.

Note: The adjustment must be within certain limits, which vary with
each program. The allowable percentage is shown after "Adjustment“.

Note: When a Standard Adjust is in effect, the Standard Adjust icon
will appear on the display.

5.4.7 Set the chemical form

Some Stored Programs allow a variety of chemical forms to
be selected.

Press the unit (e.g. mg/L) or the chemical representation of the
evaluation form (e.g. Al

3+

). A list of available evaluation forms is

displayed. Select the required form by pressing the corresponding
entry in the list.

Note: When the program is exited, the evaluation form reverts to the
standard setting.

An alternative way of changing the standard setting:

1. Press Options>More>Chemical Form.

2. Select the Chemical Form.

Note: The stoichiometric conversion of the measurement result is
carried out automatically.

Note: The selected Chemical Form will appear on the display. Test
results will be calculated and displayed in this chemical form.

5.4.7.1 Change of the default setting of the chemical form

1. Insert the sample cuvette or blank (depending on the working

procedure) into the cell compartment.

2. In the result display, press Options>More>Chemical Form.

3. A list of available evaluation forms appears. Select the new

default setting.

4. Press Save as Default.

The current result and all further measurements will be displayed in
the new chemical form.

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