Hanna-instruments HI 84431 Manuel d'utilisateur télécharger pdf (Page 11)

PERISTALTIC PUMP

Peristaltic pumps are self priming. Liquid never contacts the pump components. The titrant tubing

is pressed along the rotating rollers of the pump. The rollers compress the tubing, driving the

titrant to the dispensing tip.

1. Current time and instrument mode information (pH meter or Titrator)

2. pH electrode condition information

3. Main reading information

4. Instrument status information

5. Functional key area

6. Indicates that the displayed value can be changed using ARROW keys

7. Temperature value (

°C, °F)

8. pH temperature compensation mode (Manual or Automatic)

9. Stirrer and reading status area

GUIDE TO INDICATORS

During the instrument’s operation information is displayed on the LCD.

Displayed icons:

Unstable reading.

Stirrer on.

Pump running.

Parameter can be changed.

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Hanna-instruments HI 84431 Manuel d'utilisateur Page 11