Sper-scientific 850045 Dissolved Oxygen - DO Pen Manuel d'utilisateur télécharger pdf (Page 5)

CALIBRATION

Calibration

1. Fill the D.O. meter probe head (completely) with

Electrolyte prior to using the first time. Please refer to

the Probe Maintenance section (page 10) for

instructions.

2. Prior to taking measurements, the D.O. meter should be

calibrated using the following steps.

3. Remove the red protective cover (Fig., 1-7) from the

black probe head (Fig., 1-5). *The small sponge inside

the red cover keeps the diaphragm moist with water.

4. To turn the meter on, press the Power On/Off button

(Fig., 1-2).

5. The LCD display (Fig., 1-1) will show %O

and

Temperature - see example below.

Wait for approximately three (3) minutes until the upper

display value stabilizes.

21.5

25.9 ºC

1 2 3 4 5 6 7 8 9 10 ... 15 16

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Sper-scientific 850045 Dissolved Oxygen - DO Pen Manuel d'utilisateur Page 5