EUTECH INSTRUMENTS WP PCD 650 Instrukcja Obsługi Pobierz pdf (Strona 63)

Instruction Manual PCD 650

3.6 Conductivity Calibration

3.6.1 Manual Calibration

Make sure you have selected a standard solution with which you intend to

perform conductivity calibration, refer page 86 for more details of setting solution

types.

To start manual Calibration for conductivity:

Following is the procedure for single point calibration:

1. Switch on the meter and make sure the meter is in conductivity

measurement mode.

2. Dip the probe into the calibration standard. Immerse the probe tip beyond

the upper steel band. Stir the probe gently to create a homogeneous

sample. Allow time for the reading to stabilize.

3. Press CAL (F2) to start calibration.

4. The meter shows ‘Calibration-Rinse Electrode’ screen [Figure 48 (a)] for

few seconds to prompt user to rinse electrode with de-ionized water before

calibration (Refer ‘Prepare the meter for measurement’ section in page 40).

(a) (b)

Figure 48 : Calibration Screens

5. The meter then shows cell constant adjustment screen [Figure 48-(b)]. The

upper display shows the cell constant of the conductivity cell & lower

display shows the measured value of the solution with adjusted cell

constant with respect to default calibration. Press & keys to adjust the

cell constant for your custom solution in upper display.

6. Press ENTER key to confirm the calibration.

Note: If the meter is password protected, you will be prompted to enter a

password. Refer ‘Accessing Calibration mode when password protection

enabled’ in pa

e 42.

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EUTECH INSTRUMENTS WP PCD 650 Instrukcja Obsługi Strona 63