Hanna-instruments HI 84500 Bedienungsanleitung

1Instruction ManualHI 84500FREE & TOTAL SULFUR DIOXIDEMINITITRATORfor wine analysiswww.hannainst.com

10TimePress the Modify key to change the time and timeformat.Press Format to switch between 12 hour (am/pm)and 24 hour mode.Press to highlight the v

11Press Format to cycle between the available dateformats.Press to highlight the value to be modified. Usethe ARROW keys to change the value. Press

12Press the corresponding virtual option key to changethe language.If the selected language cannot be loaded, thepreviously selected language will be

13Restore Factory SettingsPress Select to restore the factory settings.Press Yes to confirm the restore process or No toreturn without restoring.Press

14PUMP CALIBRATION MESSAGESPrime burette screen when the dosing system isrunning.Pump calibration is initiated by pressing the Startkey.This error mes

15The calibration was outside the acceptable limits.Prepare a new standard and try again.This error message appears when the input reading(mV) exceeds

16ELECTRODE PREPARATIONPREPARATION PROCEDURERemove the electrode protective cap.DO NOT BE ALARMED IF ANY SALT DEPOSITS ARE PRESENT. This is normal wit

17DOSING PUMP INSTALLATIONTo install the dosing pump follow the procedure below:• Extend the plunger on the 5 mL syringe to its maximum volume.• Place

18Note: • The aspiration tube must be inserted in the titrant bottle. The dosing tip must be placedover a rinse beaker.• Before starting the prime pro

19Pump calibration must be performed every time the syringe, pump tube, the titrant bottle or the ORPelectrode is changed. A pump calibration is recom

2All rights are reserved. Reproduction in whole or in part is prohibited without the written consentof the copyright owner, Hanna Instruments Inc., Wo

20• Press Start, wait for the syringe to refill.• Place the stir bar in the beaker and put the beaker in theminititrator top.• Place the probe holder

21FREE SO2 MEASUREMENT PROCEDURE• Refer to “Setup Menu” (see page 10) to set up the instrument for your measurement.• For best accuracy, before taking

22• The instrument will continuously update the concentration on the display. The value will bedisplayed blinking. When the reading is under range “--

23• At the end of the titration the instrument displays the concentration in ppm of SO2. The titrationcurve can be viewed by pressing Plot ON. Press P

24• For best accuracy, before taking any measurement, ensure that the pump is calibrated on theselected range following the “Pump Calibration Procedur

25Note: DO NOT PLACE THE TIP INTO THE SAMPLE BEAKER.PLACE THE TIP OVER A WASTE BEAKER. A SMALLAMOUNT OF TITRANT IS DISPENSED WHEN THE PUMPRESETS.• Pre

26VIEW/DELETE TITRATOR RECORDED DATAPress MENU then Recall to access the Titrator logs.When an external USB storage device is connected, the Export ke

27The selected record data and the titration curve data file name are displayed.When a USB storage device is connected, the Export key is displayed. I

28ORP MEASUREMENTThe HI 84500 can be used as an ORP meter for direct measurements.Set the instrument to ORP meter. From titrator mode press Meter unti

29VIEW/DELETE RECORDED ORP DATATo view or delete previously logged ORP records, press MENU then Recall to access meter logs.When an external USB stora

3Please examine this product carefully. Make sure that the instrument is not damaged. If anydamage occurred during shipment, please notify your Dealer

30If Delete or Del.All is pressed the instrument will ask for confirmation.Press Yes to delete the record or No to return to the previous screen witho

31TROUBLESHOOTING GUIDESMOTPMYS MELBORP NOITULOSevissecxe/esnopserwolS.tfird.edortcelePROytriDnipitedortceleehtkaoS1607IH noitulosgninaelcsetunim03rof

32ELECTRODE CONDITIONING AND MAINTENANCESMOTPMYS MELBORP NOITULOSsiegassem"rorrererritS"fodneehttadeyalpsidronoitarbilacpmup.noitartitdnarab

33If the bulb and/or junction is dry, soak the electrode in HI 70300L Storage Solution for at leastone hour.If the fill solution (electrolyte) is more

34REAGENTSHI 84500-50 Low Range Titrant (230 mL)HI 84500-51 High Range Titrant (230 mL)HI 84500-55 Calibration Standard (120 mL)HI 84500-60 Acid Reage

35HI 84500 is guaranteed for two years against defects in workmanship and materials when usedfor it’s intended purpose and maintained according to ins

36MAN84500 12/12Printed in ROMANIAHanna Instruments Inc.Highland Industrial Park584 Park East DriveWoonsocket, RI 02895 USATechnical Support for Cust

4SIGNIFICANCE OF USEHp 0.3 1.3 2.3 3.3 4.3 5.3 6.3 7.3 8.3 9.3OSeerF241 81 22 82 53 44 55 96 78 901A dedicated HELP key aids in setup, calibration, st

5Titrator Range Low Range: 1.0 to 40.0 ppm of SO2High Range: 30 to 400 ppm of SO2Resolution Low Range: 0.1 ppmHigh Range: 1 ppmAccuracy Low Range: 3%

6PRINCIPLE OF OPERATIONThe HI 84500 determines the free and total sulfur dioxide concentration in wine using the Rippermethod. Excess iodide added to

7FRONT VIEWREAR VIEW6) ORP Electrode7) Beaker8) Dosing pump9) Power switch10) Power adapter11) USB connector (PC interface)12) USB connector (Storage

8ESC - used to leave the current screen and to return either to the previous screen or to themain screen. In Setup menu, exits a parameter without cha

9TITRATOR STARTUPThis is a general outline of the steps required to perform a titration. The following topics areexpanded upon in each section that fo