Standard Operations

3.Press Return to return to the result display.

4.Confirm ’Store present reading again?’ to save the current measured value with the dilution factor.

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

Note: If using undiluted samples, set the dilution factor off again.

5.4.6 Run a standard adjust

The Standard Adjust function allows the calibration curve for a stored program to be adjusted based on analysis of a known standard solution. The Accuracy Check section of written procedures often suggests a standard solution concentration for this purpose.

Read a standard before setting Standard Adjust to On.

1.Follow the entire procedure, using a known standard for the sample.

2.After reading the concentration, press Options>More>Standard Adjust.

3.If Standard Adjust is set to Off, turn it On.

The Current Reading will show the concentration. The box on the right will show the default standard value for the test, as mentioned in the procedure.

4.If the measurement used a standard concentration that is different from the one displayed in the box, press the box on the right to enter a different standard value and enter the new value. Press OK to confirm.

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Hach DR 5000 user manual Run a standard adjust