Related Manuals for Hanna Instruments HI 84500
Summary of Contents for Hanna Instruments HI 84500
- Page 1 Instruction Manual HI 84500 FREE & TOTAL SULFUR DIOXIDE MINITITRATOR for wine analysis w w w. h a n n a i n s t . c o m...
- Page 2 Dear Customer, Thank you for choosing a Hanna product. 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, do not hesitate to e-mail us at tech@hannainst.com.
-
Page 3: Table Of Contents
ELECTRODE CONDITIONING AND MAINTENANCE ..............32 ACCESSORIES ........................34 WARRANTY ........................35 All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of the copyright owner, Hanna Instruments Inc., Woonsocket, Rhode Island, 02895, USA. -
Page 4: Preliminary Examination
The HI 84500 provides a simple user interface. By simply pressing the Start key in Titration mode, the instrument will automatically titrate the sample to the equivalence point and the results are immediately displayed in ppm. - Page 5 Higher levels are needed for sweet and most notable, botrytised wine. The HI 84500 can be used to test for free and total SO in all wines, including red, which are difficult to test using traditional methods associated with a distinctive color change to determine the...
-
Page 6: Specifications
12 Vdc power adapter Dimensions 235 x 200 x 150 mm (9.2 x 7.9 x 5.9”) Weight 1.9 kg (67.0 oz.) REQUIRED REAGENTS Code Description HI 84500-50 Low Range Titrant HI 84500-51 High Range Titrant HI 84500-55 Calibration Standard HI 84500-60 Acid Reagent... -
Page 7: Principle Of Operation
PRINCIPLE OF OPERATION The HI 84500 determines the free and total sulfur dioxide concentration in wine using the Ripper method. Excess iodide added to the wine sample reacts with iodate introduced by the titrant to produce iodine. - + 5I - + 6H →... -
Page 8: Functional Description
FUNCTIONAL DESCRIPTION OVERHEAD VIEW 1) Titrant bottle 2) Liquid Crystal Display (LCD) 3) Keypad 4) Electrode holder 5) Dispensing tube FRONT VIEW REAR VIEW 6) ORP Electrode 7) Beaker 8) Dosing pump 9) Power switch 10) Power adapter 11) USB connector (PC interface) 12) USB connector (Storage interface) 13) BNC electrode connector 14) Titrant bottle... - Page 9 KEYPAD FUNCTION ESC - used to leave the current screen and to return either to the previous screen or to the main screen. In Setup menu, exits a parameter without changing the value. / - used to modify the parameters’ values, to scroll the information displayed while viewing a help screen or to move between the options from the instrument’s Setup menu CAL - used to access the Pump calibration HELP - used to access/exit the instrument’s contextual help...
-
Page 10: Titrator Startup
5) Stirrer and reading status 6) Main reading information DOSING PUMP The dosing pump is based on a valve that automatically moves the titrant between the titrant bottle and syringe when filling the syringe and between the syringe and sample when dispensing. -
Page 11: Setup Menu
SETUP MENU The titrator’s setup menu may be accessed from the main screen (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 instrument’s operation parameters. The ARROW keys permit the user to scroll the setup parameters. - Page 12 Press Format to cycle between the available date formats. Press to highlight the value to be modified (digit by digit). Use the ARROW keys to change the value. Press Accept to confirm the new value or ESC to return to the setup. Key Beep Select Enable to activate or Disable to deactivate the Key Beep function.
- Page 13 LCD Backlight Press Modify to change the backlight level. The default value is 3. Use the ARROW keys or to increase/ decrease the backlight level. Press Accept to confirm or ESC to return to the setup menu. Language Press the corresponding virtual option key to change the language.
- Page 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.
-
Page 15: Guide To Display Codes
GUIDE TO DISPLAY CODES This screen appears when the instrument is turned on during the initialization process. Titration screen display. Titration screen when a titration is in progress. Prime burette screen. Prime burette screen when the dosing system is running. PUMP CALIBRATION MESSAGES Pump calibration is initiated by pressing the Start key. - Page 16 This screen appears while pump calibration is in progress. Pressing ESC or Stop key, to return to the Pump Calibration screen. This screen appears when pump calibration is complete. This error message appears during pump calibration when the end point can not be reached and the maximum amount of titrant is exceeded.
-
Page 17: Electrode Preparation
TITRATION MESSAGES This screen is displayed when the instrument is in titration mode. Press the Start to begin a titration, Meter to enter ORP meter mode or Prime to enter into the prime function. The titration result, expressed as the concentration of sulfur dioxide in ppm (mg/L), is displayed automatically at the end of the titration. -
Page 18: Dosing Pump Installation
DOSING PUMP INSTALLATION To install dosing pump follow the procedure below: • Extend the plunger on the 5 mL syringe to its maximum volume. • Place the syringe in the dedicated spot on the top of the meter (1). • Arrange the bottom of the syringe into the holder on the pump (2). Once the syringe is in place lower the barrel until it sits flush on the holder. - Page 19 Note: • The aspiration tube must be inserted in the titrant bottle. The dosing tip must be placed over a rinse beaker. • Before starting the prime procedure make sure you are using the appropriate titrant solution for the selected range. •...
-
Page 20: Pump Calibration Procedure
0 . 1 . 0 4 • Ensure the pump is primed with the correct titrant for the selected range (HI 84500-50 Low Range Titrant or HI 84500-51 High Range Titrant). Sample preparation: Using a clean pipette to precisely add the appropriate amount of HI 84500-55 Calibration Standard to a clean beaker as indicated below: Low Range (Free &... - Page 21 • Place the probe holder 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 sure that the tip of the electrode is not hitting the stir bar.
-
Page 22: Free So Measurement Procedure
0 . 1 . 0 4 • Ensure the pump is primed with the correct titrant for the selected range (HI 84500-50 Low Range Titrant or HI 84500-51 High Range Titrant). Sample preparation: Using a clean pipette to precisely add the appropriate amount of wine sample to a clean 100 mL beaker as indicated below: Low Range (Free &... - Page 23 • Insert the dosing tip into the titrant tube sleeve. IT IS CRITICAL THAT THE TIP BE IMMERSED APPROXIMATELY 0.5 CM (0.1”) INTO THE SOLUTION BEING TITRATED. • Press Continue to begin the titration and Stop to abort it. • The instrument will continuously update the concentration on the display. The value will be displayed blinking.
-
Page 24: Total So Measurement Procedure
0 . 1 . 0 4 • Ensure the pump is primed with the correct titrant for the selected range (HI 84500-50 Low Range Titrant or HI 84500-51 High Range Titrant). Sample preparation: Using a clean pipette to precisely add the appropriate amount of wine sample to a clean 100 mL beaker as indicated below: Low Range (Free &... - Page 25 • Add the contents of one packet of HI 84500-62 Stabilizer Packet to the 100 mL beaker. • Place the beaker into the beaker holder. • Press Titrator. Note: DO NOT PLACE THE TIP INTO THE SAMPLE BEAKER. PLACE THE TIP OVER A WASTE BEAKER. A SMALL AMOUNT OF TITRANT IS DISPENSED WHEN THE PUMP RESETS.
- Page 26 • Press LOG to record 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 recorded in the instrument’s memory.
- Page 27 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. The selected record data and the titration curve data file name are displayed. When an USB storage device is connected the Export key is displayed. It saves the titration curve data, as a text file on the storage device using the displayed file name.
-
Page 28: Orp Measurement
If a calibration hasn’t been performed the message “Not Calibrated” will be displayed. ORP MEASUREMENT The HI 84500 can be used as an ORP meter for direct measurements. Set the instrument to ORP meter. From titrator mode press Meter until mV units are displayed. - Page 29 For a faster response and to avoid cross-contamination of the samples, rinse the electrode tip with a few drops of the solution to be tested, before taking measurements. Immerse the ORP sensor in the sample until the Teflon reference junction is completely submerged and stir gently for a few seconds.
-
Page 30: Pc Interface And Data Transfer
Use ARROW keys when is displayed to scroll between the records. If 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 without deleting. Deleting a single record will renumber the list of records. If the ORP log is empty the message “No Records Available!”... -
Page 31: Troubleshooting Guide
If the instrument has no logged Meter or Titrator records, the PC connected screen is displayed. TROUBLESHOOTING GUIDE e h t r t c e e d o p i t o l S p s e / e s c x e s s e e v i... -
Page 32: Electrode Conditioning And Maintenance
e t f t a r t n o i e h t k c e e l c / e h t e l e o r t c . e d o r B n e k e l e o r t c . - Page 33 DO NOT BE ALARMED IF SALT DEPOSITS ARE PRESENT. This is normal with electrodes. They will disappear when rinsed with distilled/deionized water. During transport, tiny bubbles of air may form inside the glass bulb affecting proper functioning of the electrode. These bubbles can be removed by “shaking down” the electrode as you would do with a glass thermometer.
-
Page 34: Accessories
ACCESSORIES REAGENTS HI 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 Reagent (230 mL) HI 84500-61 Alkaline Reagent (120 mL) HI 84500-62 Stabilizer Packet (100 pcs.) -
Page 35: Warranty
WARRANTY 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. - Page 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.com Local Sales and Customer Service Office Printed in EUROPE MAN84500 09/12...