Advanced Operations

Calibration by reading standards

1.Press Read Standards and press Next.

2.To enter the standard concentrations in the displayed table, press the "+" symbol. Use the alphanumeric keypad to enter the standard concentration. Press OK.

3.Press the "+" symbol again (see arrow) and enter the next standard concentration. Repeat this sequence until all standard conentrations (maximum of 24 solutions) have been entered.

4.Highlight the line with the appropriate concentration and insert the cuvette/cell with the corresponding standard solution.

5.Insert the zero solution into the cell compartment. Press Zero.

6.Insert the first standard solution into the cell compartment. Press Read.

Insert the second standard solution into the cell compartment. Press Read.

Repeat this sequence until all the standard solutions have been measured (maximum of 24 solutions).

The entered and measured data are displayed in the table.

Note: To delete a standard concentration, highlight the appropriate line and press the Delete icon.

The timer icon shown in the display helps to ensure, when necessary, that the steps of an analysis are correctly timed (e.g. reaction times, wait times, etc., can be exactly specified). When the specified time has elapsed, an acoustic signal is emitted. The use of the timer has no influence on the measurement program.

7.When the data have all been entered and the measurements have all been completed, press Graph.

8.The linear curve corresponds to the standard setting. Press Next Curve to display the polynomial 2nd order curve.Press Next Curve again to display the polynomial 3rd order curve.

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Hach DR 5000 user manual Advanced Operations