Hanna-instruments HI 4421 Instrukcja Użytkownika Pobierz pdf (Strona 23)

Calibration

Using DO standards

The meter can be calibrated in a single or multi-points (up to two points), using 2 DO standards (0.0%, 100%)

or using the custom standards.

The following options are available for calibration:

Standard Recognition

The user can choose between

Automatic

recognition (from 2 Hanna standards available) or

User Standard

• Use

or to highlight the

Standard Recognition

option.

• Use

or to choose from

Automatic

User

Standard

option

• Press to confirm your selection or press to

cancel operation.

Calibration Reminder

This option allows the user to set the calibration reminder as

Daily

Periodic

Disabled

To set the calibration reminder:

• Use

or to highlight the

Calibration re-

minder

option.

• Press

to confirm your selection and then use

or to choose the desired option

• Press to confirm your selection or press to

cancel operation.

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Hanna-instruments HI 4421 Instrukcja Użytkownika Strona 23