Hanna Instruments HI 84430, Instruction Manual

Page 1: ...1 Instruction Manual HI 84430 TOTAL ACIDITY MINITITRATOR pH METER for Water Analysis www hannainst com...

Page 2: ...mail us at tech hannainst com This instrument is in compliance with directives TABLE OF CONTENTS PRELIMINARY EXAMINATION 4 GENERAL DESCRIPTION 4 SPECIFICATIONS 6 PRINCIPLE OF OPERATION 8 FUNCTIONAL AN...

Page 3: ...precipitates solids suspensions oils samples containing polyvalent cations aluminum iron manganese chromium may react slowly with the titrant causing a drifting end point To eliminate or diminish the...

Page 4: ...le acidity high range mg L 400 4000 mg L as CaCO3 meq L 8 80 meq L as CaCO3 Resolution Titratable acidity low range 0 1 mg L 0 1 meq L Titratable acidity high range 1mg L 1meq L Accuracy 5 of reading...

Page 5: ...than 3 7 only total acidity can be determined The HI 84430 utilizes two different titrant solutions to cover the entire measurement range The titrantsusedhavedifferentconcentrations appropriateforeach...

Page 6: ...titrator top Purge the titrant Calibrate the pump Prepare the sample Run a titration and log sample results 5 Functional key area 6 Indicates that the displayed value can be changed using ARROW keys 7...

Page 7: ...ut saving the new value pH resolution Options 0 1 0 01 Press the displayed function key in order to change the pH resolution Options C F Press the function key in order to change the temperature unit...

Page 8: ...es on the screen Press the function key to select this option Tutorial Option AM PM or 24 hours Press the functional key to select the new value Time format Press to highlight the value to be modified...

Page 9: ...ial link between the instrument and a PC Both must use the same setting Baud rate Option 0 to 9999 This option is used to set the instrument s ID The instrument ID is used while exchanging data with a...

Page 10: ...olution to be used for the first calibration point Put the first beaker with calibration buffer in the beaker holder Place the electrode holder on the top of the beaker and secure it by turning clockw...

Page 11: ...heck if the correct buffer has been used or regenerate the pH electrodes by following the Cleaning Procedure see the pH Cleaning Procedure section If necessary change the buffer or the electrode When...

Page 12: ...temperature reading is out of the defined temperature range of the buffer 0 to 45 C the Wrong Buffer Temperature error message will be displayed and the symbol C will blink on the display Calibration...

Page 13: ...key from the titrator main screen The purging stops automatically after 5 minutes To access the Purge key follow the next steps From the instrument main screen pH meter screen press Titrator function...

Page 14: ...he electrode holder on the top of the beaker and secure it by turning clockwise Immerse the pH electrode approximatively 2 cm 0 8 into the standard paying attention not to touch the stir bar Insert th...

Page 15: ...the beaker and secure it by turning clockwise Insert the temperature probe into the dedicated guide tube Immerse the pH electrode approximatively 2 cm 0 8 into the sample to be tested paying attention...

Page 16: ...t of range the symbol is displayed in front of the reading From the titrator main screen press Titration To enter titrator main screen from pH meter mode press Titrator and then Titration If the tutor...

Page 17: ...a calibration hasn t been performed the message Not Calibrated will be displayed If GLP pump is pressed one of the next screens is displayed Press Delete to enter record deleting mode Press Delete Al...

Page 18: ...ayed preceded by the symbol and the MTC message The manually set temperature can now be adjusted with the ARROW keys from 20 0 to 120 0 C pH MEASUREMENT The HI 84430 may be used as a pH meter for dire...

Page 19: ...to return to the previous screen without deleting If the pH log is empty the message No Records will be displayed VIEW DELETE RECORDED pH DATA To view or delete previously logged pH records press MEN...

Page 20: ...eference thermometer The unstable measurement symbol will be shown on the display until the reading becomes stable When the reading is stable and close to the selected calibration point the unstable m...

Page 21: ...he HI 92000 Windows compatible software optional HI 92000 also offers graphing and on line help features Data can be exported to the most popular spreadsheet programs for further analysis To connect y...

Page 22: ...arameters setting The answer string contains Instrument ID 4 chars Calibration alarm time out 2 chars Concentration unit 1 char 0 mg L 1 meq L Acidity type 1 char 0 Total LR 1 Total HR 2 Strong LR 3 S...

Page 23: ...o s p u s e t a u t c u l f g n i d a e R e s i o n n w o d d n a n o i t c n u j y t r i d d e g g o l C l e v e l e t y l o r t c e l e w o L s e d o r t c e l e H p e l b a l l i f e r y l n o n o...

Page 24: ...ake 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 inst...

Page 25: ...l 210 823 5192 Fax 210 884 0210 Indonesia Tel 210 4584 2941 Fax 210 4584 2942 Japan Tel 03 3258 9565 Fax 03 3258 9567 Korea Tel 02 2278 5147 Fax 02 2264 1729 Malaysia Tel 603 5638 9940 Fax 603 5638 98...