23
PHO
TOMETER MODE
8.6. 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
HI83326
involves absorbance measurements of certified Hanna Instruments
®
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
HI83326
stores the results of the most recent CAL Check measurements which may
be viewed on the CAL Check screen. Compare these results with the values printed on the Certificate
provided with each Hanna Instruments
®
CAL Check Standards kit.
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
®
CAL Check Standards kit. To exit the process at any time, press
ESC
key.
4. Press the
ESC
key to return in
Setup
menu.