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HI 84500

 is warranted for two years against defects in workmanship and materials when used for its

intended purpose and maintained according to the instructions.
This warranty is limited to repair or replacement free of charge.
Damage due to accident, misuse, tampering or lack of prescribed maintenance is not covered.
If service is required, contact your dealer. If under warranty, report the model number, date of purchase,
serial number and the nature of the failure. If the repair is not covered by the warranty, you will be
notified of the charges incurred.
If the instrument is to be returned to Hanna Instruments, first obtain a Returned Goods Authorization
Number from the Customer Service Department and then send it with shipment costs prepaid. When
shipping any instrument, make sure it is properly packaged for complete protection.
To validate your warranty, fill out and return the enclosed warranty card within 14 days from the date of
purchase.

WARRANTY

Hanna Instruments reserves the right to modify the design, construction or appearance of its products

without advance notice.

Before using this product, make sure that it is entirely suitable for your specific application and for the
environment in which it is used.
Operation of this instrument may cause unacceptable interferences to other electronic equipment, this
requiring the operator to take all necessary steps to correct interferences.
Any variation introduced by the user to the supplied equipment may degrade the instrument EMC
performance.
To avoid damages or burns, do not put the instrument in microwave ovens. For yours and the instrument
safety do not use or store the instrument in hazardous environments.

RECOMMENDATION FOR USERS

Содержание HI 84500

Страница 1: ...1 Instruction Manual HI 84500 FREE TOTAL SULFUR DIOXIDE MINITITRATOR for wine analysis www hannainst com...

Страница 2: ...uct This manual will provide you with the necessary information for the correct use of the instrument Please read it carefully before using the instrument If you need additional technical information...

Страница 3: ...FICATIONS 6 PRINCIPLE OF OPERATION 7 FUNCTIONAL DESCRIPTION 8 TITRATOR STARTUP 10 SETUP MENU 11 GUIDE TO DISPLAY CODES 15 ELECTRODE PREPARATION 17 DOSING PUMP INSTALLATION 18 DOSING PUMP PRIME PROCEDU...

Страница 4: ...g PRELIMINARY EXAMINATION The HI 84500 is a low cost easy to use microprocessor based automatic titrator that benefits from Hanna s years of experience as a manufacturer of analytical instrumentation...

Страница 5: ...omplex This relationship is governed by the total amount of SO2 in the wine The exact relationship between free and bound will vary wine to wine The amount of free SO2 is depends on how much is added...

Страница 6: ...pm Log data Up to 200 samples ORP meter ORP meter 2000 0 to 2000 0 mV ORP Resolution 0 1 mV ORP Accuracy 1 mV Log data Up to 200 samples ORP Electrode HI 3148B Environment 0 to 50 C 32 to 122 F max 95...

Страница 7: ...e produced in the sample then reacts with sulfur dioxide in the wine according to the redox reaction below H2 SO3 I2 H2 SO4 2HI The HI 84500 utilizes an ORP electrode to monitor the redox titration Th...

Страница 8: ...r 11 USB connector PC interface 12 USB connector Storage interface 13 BNC electrode connector 14 Titrant bottle 15 Syringe 16 Aspiration tube 17 Dosing Pump Valve FUNCTIONAL DESCRIPTION OVERHEAD VIEW...

Страница 9: ...ve the current mV ORP reading in ORP meter mode and the titration result MENU used to enter Setup Recall or GLP selection menu while instrument is in ORP or Titration mode STIR used to start stop the...

Страница 10: ...ed based on the concentration See Pump Calibration Procedure for details Prime the syringe To assure high accuracy verify there are no air bubbles in the syringe or tubing Calibrate the pump Note Diff...

Страница 11: ...meter or titrator mode by pressing the MENU key then Setup A list of setup parameters will be displayed with currently configured setting While in the setup menu it is possible to modify the instrumen...

Страница 12: ...be heard every time a key is pressed Error Beep Select Enable to activate or Disable to deactivate the Error Beep function If enabled a beep will be heard when an error condition occurs Decimal Separ...

Страница 13: ...lp information are not available Language Press Select to view the firmware version language version mV factory calibration date and time Meter Information Tutorial Enable or Disable the Tutorial This...

Страница 14: ...14 Restore Factory Settings Press Select to restore the factory settings Press Yes to confirm the restore process or No to return without restoring Press ESC to return to the setup menu...

Страница 15: ...ss Titration screen display This screen appears when the instrument is turned on during the initialization process Prime burette screen PUMP CALIBRATION MESSAGES Prime burette screen when the dosing s...

Страница 16: ...g system and try again The calibration was outside the acceptable limits Prepare a new standard and try again This error message appears when the input reading mV exceeds the input limits 2000 0 mV Th...

Страница 17: ...If the bulb is dry soak the electrode in HI 70300 Storage Solution for at least one hour This screen is displayed when the instrument is in titration mode Press the Start to begin a titration Meter to...

Страница 18: ...re it fits securely Insert the aspiration tube into the left side of the valve 6 and replace the titrant bottle cap with the attached cap 7 Insert the dispensing tube into the top of the valve 8 DOSIN...

Страница 19: ...selected range To prime the burette select Prime option from Titration mode Adjust the rinses number by pressing the and keys and press Start The number of syringe rinses can be set between 1 and 5 a...

Страница 20: ...Standard to a clean beaker as indicated below Note Failure to use a clean pipette will result in erroneous readings e g n a R w o L e g n a R h g i H m p p 0 0 4 o t 0 1 m p p 0 0 4 o t 0 3 Low Range...

Страница 21: ...der on the top of the beaker and secure it by turning clockwise Rinse the ORP electrode with deionized water and immerse into the sample until the Teflon reference junction is completely submerged Be...

Страница 22: ...p p 0 0 4 o t 0 1 m p p 0 0 4 o t 0 3 Low Range Free Total SO2 50 ml High Range Free Total SO2 50 ml Fill the 20 mL beaker up to the 5 mL mark with the HI 84500 60 Acid Reagent and add the contents t...

Страница 23: ...rd the concentration value and the titration curve into the instrument s memory A message will be displayed for a few seconds indicating the amount of the free log space Up to 200 log samples can be r...

Страница 24: ...tal SO2 50 ml High Range Free Total SO2 50 ml Note The volume of wine added is critical to the measurement accuracy Pipettes are recommended Failure to use a clean pipette will result in erroneous rea...

Страница 25: ...aker and secure it by turning clockwise Rinse the ORP electrode with deionized water and immerse into the sample until the Teflon reference junction is completely submerged Be sure that the tip of the...

Страница 26: ...d with the highest possible accuracy and precision IT IS CRITICAL THAT THE TIP BE IMMERSED IN THE SOLUTION BEING TITRATED APPROXIMATELY 0 5 CM Use a clean volumetric pipette to measure and transfer th...

Страница 27: ...when is displayed to scroll between the log records Press ESC to return to the previous screen Press Plot to visualize the titration curve or ESC to return to the previous screen On the titration curv...

Страница 28: ...layed Rinse the ORP tip with distilled or deionized water Place ORP electrode into electrode holder Press MENU then GLP The pump s last calibration time date and slope is displayed If a calibration ha...

Страница 29: ...ed in front of the reading Press Delete to delete the selected log from the memory Press Del All to delete all records Press Info to see detailed information about the highlighted record For a faster...

Страница 30: ...ing the mV measurement and titration can be transferred from meter to a USB stick using Export function from log recall menu Two text files are transferred on the USB stick These files can be used for...

Страница 31: ...i d e g n a r f o t u o g n i d a e R o t n o i t c e n n o c e l b a c k c e h C e v i t c e t o r p y f i r e v d n a r e t e m e h t k c e h C f f o s i p a c e l p m a s e h t f o y t i l a u q l...

Страница 32: ...l a c e R e g n a r t c e r r o c e h t t c e l e S p m u p e h t e t a r b i l a c e r r e t e m e h t p u t r a t s t A A N N A H e h t s y a l p s i d y l t n e n a m r e p o g o l k c u t s s i s...

Страница 33: ...or in its absence HI 7082 Fill Solution Follow the Preparation Procedure before taking measurements Note NEVER STORE THE ELECTRODE IN DISTILLED OR DEIONIZED WATER PERIODIC MAINTENANCE Inspect the elec...

Страница 34: ...mL ELECTRODE STORAGE SOLUTION HI 70300L Electrode storage solution 500 mL CLEANING SOLUTION HI 70635L Cleaning solution for wine deposits 500 mL HI 70636L Cleaning solution for wine stains 500 mL OTH...

Страница 35: ...en shipping any instrument make sure it is properly packaged for complete protection To validate your warranty fill out and return the enclosed warranty card within 14 days from the date of purchase W...

Страница 36: ...Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA Technical Support for Customers Tel 800 426 6287 Fax 401 765 7575 E mail tech hannainst com www hannainst co...

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