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Hanna Instruments HI 84181, Instruction Manual, Page: 3 / 20

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3

PRELIMINARY EXAMINATION

Please examine this product carefully. Make sure that the instrument is not damaged. If any
damage occured during shipment, please notify your Dealer.
Each 

HI 84181 

instrument is supplied complete with:

• Reagents set for 20 tests
• One 2000 µL automatic pipette
• Six plastic tips for the 2000 µL automatic pipette
• Two 50 mL beakers
• 

HI 61014

 Potassium half cell

• 

HI 5315

 Reference half cell

• 

HI 7662-T 

Temperature probe

• Stir bar (2 pcs)
• Power cable
• 

HI 7076

 Refilling solution (4×30 mL)

• One 1 mL syringe
• One 1 mL pipette
• Instruction sheet
• Instruction manual

Note:

Save all packing material until you are sure that the instrument works correctly.
Any defective item must be returned in its original packing.

GENERAL DESCRIPTION

The 

HI 84181

 is a low cost, easy to use, potassium ISE instrument that performs automatic analysis

with all the necessary calculations assuring to the user a simple and effective interface.
The instrument comes with a powerful and effective built-in algorithm to analyze the shape of the ISE
electrode response and to determine the reaction completion.
By simply pressing the 

Start

 key, the instrument performs automatic analysis, all the necessary

calculations and verifications. The result is immediately displayed in convenient units, then the
instrument is ready for another measurement.

Summary of Contents for HI 84181

Page 1: ...1 Instruction Manual HI 84181 ISE Potassium Meter www hannainst com ...

Page 2: ... you need additional technical information do not hesitate to e mail us at tech hannainst com This instrument is in compliance with directives TABLE OF CONTENTS PRELIMINARY EXAMINATION 3 GENERAL DESCRIPTION 3 SPECIFICATIONS 5 PRINCIPLE OF OPERATION 5 FUNCTIONAL DESCRIPTION 6 START UP 7 GUIDE TO DISPLAY CODES 8 TIPS FOR AN ACCURATE MEASUREMENT 14 MEASUREMENT PROCEDURE 14 FUSE REPLACEMENT 16 ELECTRO...

Page 3: ...on manual Note Save all packing material until you are sure that the instrument works correctly Any defective item must be returned in its original packing GENERAL DESCRIPTION The HI 84181 is a low cost easy to use potassium ISE instrument that performs automatic analysis with all the necessary calculations assuring to the user a simple and effective interface The instrument comes with a powerful ...

Page 4: ... a sour taste of wine The alcohol content and low temperature make potassium to precipitate as potassium bitartrate Red wines have an increased content of potassium compared to white wines because the phenols inhibit the precipitation of potassium bitartrate in the red wine The HI 84181 ISE Potassium meter measures the potassium content in wine using an ion selective electrode The used method is d...

Page 5: ...iteria can be selected in Setup menu Select Medium or Accurate criteria in order to have accurate analysis Range 0 0 to 5 0 g L ppt K Resolution 0 1 g L ppt K Accuracy 5 of reading see note Sample volume 50 mL Temperature Compensation Automatic from 0 to 80 C Electrodes HI 61014 Potassium half cell HI 5315 Reference half cell Temperature Probe HI 7662 T included LOG feature 50 samples Stirring spe...

Page 6: ...ference half cell 11 BNC electrode connector 7 Temperature probe 12 Power switch 8 Electrode holder 13 Fuse 9 Reference socket 14 Power cable connector FUNCTIONAL DESCRIPTION FRONT PANEL INSTRUMENT DESCRIPTION 1 Graphic LCD 2 Functional keys 3 Keypad 4 Electrode holder ...

Page 7: ...arameter value to scroll the information from the instrument s setup 5 Functional Keys START UP Place the instrument on a flat table Do not place the instrument in direct sunlight Connect the instrument to mains socket with ground connection and the correct voltage and frequency See the label on the instrument rear for this Connect the HI 61014 potassium half cell the HI 5315 reference half cell a...

Page 8: ...s is greater than 3 C and the temperature compensation feature is disabled in Setup the temperature warning icon will blink and the message WARNING Large temperature change will be displayed Main screen display Press Setup to acces the instrument s setup Press RCL to view logged data Press Start to begin a new measurement cycle Press HELP at any moment to view the contextual help Measure screens I...

Page 9: ...dard screen Add the corresponding standard Press READ to start the next step analysis if Reading confirm option is enabled in the Setup menu If Reading confirm option is disabled the instrument will start the next step analysis Wrong standard error screen This screen is displayed if step 2 and 3 of the current reading is out of 2000mV range or if the difference between the stable readings from the...

Page 10: ...otential point is known If enabled the meter will take into account the temperature of the readings when evaluating the final result If disabled the computed concentration will not be temperature compensated Press the functional key to select the desired option Isopotential point Options 1 0 to 50 0 mg L ppm Press Modify to access the isopotential point concentration modify screen Press to increas...

Page 11: ...ify screen Date Time This option is used to set the instrument s date and time Press Modify to access the date time modify screen Press or in order to increase decrease the display s contrast Press Accept to confirm the value or ESC to return to Setup menu without saving Contrast Options 0 to 20 Press Modify to access the contrast value modify screen Press or in order to increase decrease the disp...

Page 12: ...t cycle Press the functional key in order to select the new option Beep status Options Enable Disable This option enables disables the beep feature Press the functional key in order to select the new option When enabled beep sounds as a short beep every time a key is pressed or when the reading must be confirmed In auto confirm mode the instrument will beep until the standard addition is detected ...

Page 13: ...SC to return to the previous screen without deleting Deleting a record will reorganise the list of records Press Delete All to erase all the stored records After pressing Delete All the instrument will ask for confirmation Press CFM to delete all the records or ESC to return to the previous screen without deleting Press More to view a complete set of data corresponding to the selected record To re...

Page 14: ...d press Start Wait until the reading is stable CFM key displayed if the Reading confirm option is selected and then press CFM If the Reading confirm option is disabled the instrument automatically memorizes the reading when this is stable and waits to add standard Until the standard addition is detected the instrument will beep if beeper is enabled in Setup TIPS FOR AN ACCURATE MEASUREMENT The ins...

Page 15: ...t next measurement step Wait until the reading is stable CFM key displayed if the Reading confirm option is selected and then press CFM If the Reading confirm option is disabled the instrument automatically memorizes the reading when this is stable and waits to add standard Until the standard addition is detected the instrument will beep if beeper is enabled in Setup Use the 2000 µL automatic pipe...

Page 16: ...e Gently shaking the sensor down like the old style mercury thermometers will place the internal solution next to the membrane Soak in potassium standard 10 2 M for at least half hour before measurements in order to optimize the sensor response ELECTRODE CONDITIONING MAINTENANCE FUSE REPLACEMENT To change the fuse follow next steps Disconnect the power cord from the rear panel of the instrument Pu...

Page 17: ...P keys simultaneously and power on the meter Wait until the instrument enters in the reading check mode Place 50 mL of deionized water into the beaker with a stir bar Preparation of reference electrode Unwrap ParafilmTM seal found over ceramic junction on inner stern of the reference electrod and discard This is only used for shipping Rinse inner stern with deionized water making certain to wet o ...

Page 18: ... all salts from assembly with deionized water Wrap ceramic junction on inner stern in ParafilmTM or other sealing film Store dry and disassembled MALFUNCTIONING Reading fluctuates or drifts Could be due to dirty or blocked reference electrode junction follow the cleaning procedure above Repeat the measurement with a fresh potassium electrode Recommendations for Users Before using this product make...

Page 19: ...rials 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 ...

Page 20: ...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 9829 Singapore Tel 6296 7118 Fax 6291 6906 SouthAfrica Tel 011 615 6076 Fax 011 615 8582 Taiwan Tel 886 2 2739 3014 Fax 886 2 2739 2983 Thailand Tel 66 2619 0708 Fax 66 2619 0061 UnitedKingdom Tel 01525 850 855 Fax 01...

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