Hanna Instruments HI 84432 Instruction Manual

Contents

Hanna Instruments HI 84432 Instruction Manual Manual pdf 10 page image

10PERISTALTIC PUMPPeristaltic pumps are self priming. Liquid never contacts the pump components. The titrant tubingis pressed along the rotating rollers of the pump. The rollers compress the tubing, driving thetitrant to the dispensing tip.TITRATOR STARTUPThis is a general outline of the steps required to make a titration. The following sections expandupon each section.• Place the instrument on a flat table. Do not place the instrument in direct sun light.• Connect the power adapter to the instrument.• Turn the instrument ON using the power switch from the rear panel of the instrument.• Set up the instrument. See the “Setup Configuration Menu” section for details. Pay attentionto the Acidity Unit.• Connect the pH sensor and temperature probe to the instrument.• Calibrate the pH electrode. At least a single point calibration is necessary for titration.• Place the peristaltic pump tube on the pump (inlet tube is connected with the reagent bottle,outlet tube is connected with the dosing tip). See the “Pump Tube Replacement” section forthe procedure.• Remove the reagent bottle cap and replace with the bottle cap with tubes. Place the reagentbottle in the appropriate place on the titrator top.• Purge the titrant.• Calibrate the pump.• Prepare the sample.• Run a titration and log sample results.5. Functional key area6. Indicates that the displayed value can be changed using ARROW keys7. Temperature value (Manual or Automatic)8. pH temperature compensation mode (Manual or Automatic)9. Stirrer and reading status area