Hanna-instruments HI 4521 Manual de usuario descargar pdf (Pagina 23)

The pH Setup menu allows the user to set the parameters associated with pH measurement and calibration.

Accessing pH Setup

• Press while in

Measure

mode and then to

select pH range for the desired channel.

• Press and then to access pH Setup menu.

To access a pH Setup option:

• Use or to highlight the desired option.

• Press to access the selected option.

The following is a detailed description of the pH Setup option

screens.

pHpH

SETUP SETUP

SETUP

Profile

Choosing this option the measuring and the calibration mode can be customized. Up to 10 profiles can be

defined by the user.

The available options are:

Save Current Profile:

save the current profile.

Load Profile:

load from available profiles.

Delete Profile:

delete a profile.

Save Current Profile

To save the current profile:

• Use or to select the

Profile

option.

• Press and then select

Save Current Profile

option. The

Text Editor

box will be displayed on the LCD.

• Enter the desired profile name by using and

to highlight the desired character and then press to add it to

the text bar. It is also possible to delete the last character by positioning

the cursor on the Backspace character (

) and pressing .

• Press to return to the Profile options.

The temperature user calibration menu can be accessed at the meter startup by pressing simultaniously three

keys as in the below drawing:

Note: The temperature user calibration is performed in three points: around 0°C, 50°C, 100°C.

To perform temperature user calibration:

• Select the desired temperature channel by pressing

(the temperature channel is switched between temperature EC

channel and temperature pH channel).

• Press to start the temperature calibration. Adjust the

temperature preset value using or when

necessary.

• Insert the probe in the beaker with water at 0°C.

• Wait to stabilize and then press to confirm the

calibration point.

• Repeat the previous three steps for 50°C and 100°C.

• Save the calibration.

• Press to return to measure mode.

Note: Press if you want to clear the temperature user calibration.

TEMPERATURE CALIBRATIONTEMPERATURE CALIBRATION

TEMPERATURE CALIBRATION

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Hanna-instruments HI 4521 Manual de usuario Pagina 23

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