Operation; Working Mode; Zero Calibration - Tintometer Lovibond Photometer Mode D'emploi

2. Operation

ON
OFF
* * * P H O T O M E T E R * * *
S E L E C T T E S T
pH
6,5-8,4
p H - T E S T
6 , 5 – 8 , 4 p H
R U N Z E R O
P R E S S " Z E R O "
Zero
Z E R O
Z E R O O K
P R E S S " T E S T"
R U N T E S T

2.1. Working Mode

1. Turn the instrument on with the ON/OFF key.
The display shows:
2. Select the required test parameters by pressing the
appropriate key, e.g., "pH".
The display shows:
Fill a clean cell to the 10 ml mark with the water sam-
ple. Place the cell with graduation toward the operator
in the cell compartment and close the lid.

2.2. Zero calibration

Press the ZERO key.
The display shows:
After zeroing is complete, take the cell out of the cell
compartment.
The addition of reagent tablet(s) to the water sample
develops the characteristic colour.
Place the cell back in the cell compartment with the
graduations toward the observer and close the lid.
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