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9.6. METER VALIDATION & CAL CHECK
Warning: Do not validate the meter with standard solutions other than the Hanna Instruments
CAL Check Standards. For accurate validation results, please perform tests at room temperature,
18 to 25 ° C (64.4 to 77.0 ° F).
Validation of the
HI83325
CAL Check Standards (see ACCESSORIES section). The CAL Check screen guides the user through the
measurement of each CAL Check Standard and applies the factory calibration corrections to each
measurement. The
HI83325
be viewed on the CAL Check screen. Compare these results with the values printed on the Certificate
provided with each Hanna Instruments
To perform a validation:
1. Press the SETUP key.
2. Highlight CAL Check, then press Select.
3. Follow the prompts on the screen. The meter will prompt to measure each cuvette provided in the
®
Hanna Instruments
4. Press the ESC key to return in Setup menu.
involves absorbance measurements of certified Hanna Instruments
stores the results of the most recent CAL Check measurements which may
®
CAL Check Standards kit.
CAL Check Standards kit. To exit the process at any time, press ESC key.
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®
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