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Hanna Instruments HI 96717C, Instruction Manual, Page: 3 / 28

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PRELIMINARY EXAMINATION ............................................................................................
GENERAL DESCRIPTION ....................................................................................................
ABBREVIATIONS ..............................................................................................................
SPECIFICATIONS ..............................................................................................................
PRECISION AND ACCURACY ..............................................................................................
PRINCIPLE OF OPERATION ...............................................................................................
FUNCTIONAL DESCRIPTION ...............................................................................................
ERRORS AND WARNINGS .................................................................................................
GENERAL TIPS FOR AN ACCURATE MEASUREMENT .............................................................
STARTUP ........................................................................................................................
RANGE SELECTION............................................................................................................
MEASUREMENT PROCEDURE ............................................................................................
VALIDATION PROCEDURE .................................................................................................
CALIBRATION PROCEDURE ...............................................................................................
GLP ................................................................................................................................
BATTERY MANAGEMENT ...................................................................................................
BATTERY REPLACEMENT ...................................................................................................
ACCESSORIES ..................................................................................................................

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TABLE OF CONTENTS

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Summary of Contents for HI 96717C

Page 1: ...INSTRUCTION MANUAL HI96750C Potassium Low Range Medium Range ISM ...

Page 2: ... the instrument as well as a precise idea of its versatility If you need additional technical information do not hesitate to e mail us at tech hannainst com or view our worldwide contact list at www hannainst com Dear Customer 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...

Page 3: ...E OF OPERATION FUNCTIONAL DESCRIPTION ERRORS AND WARNINGS GENERAL TIPS FOR AN ACCURATE MEASUREMENT STARTUP RANGE SELECTION MEASUREMENT PROCEDURE VALIDATION PROCEDURE CALIBRATION PROCEDURE GLP BATTERY MANAGEMENT BATTERY REPLACEMENT ACCESSORIES 4 5 6 7 11 14 16 20 25 5 6 9 13 15 19 24 26 TABLE OF CONTENTS 26 ...

Page 4: ...complete with Sample Cuvettes and Caps 2 pcs CAL CheckTM standard cuvettes 9V Battery Scissors 1000 µL automatic pipette with tip Cloth for wiping cuvettes Instrument Quality Certificate Instruction Manual and Quick Reference Guide Rigid carrying case Note Save all packing material until you are sure that the instrument works correctly Any defective item must be returned in its original packing PR...

Page 5: ...lay messages aid the user in routine operation The meter has an auto shut off feature that will turn off the instrument after 10 minutes of non use in measurement mode or after 1 hour if left in calibration mode The meter uses an exclusive positive locking system to ensure that the cuvette is in the same position every time it is placed into the measurement cell It is designed to fit a cuvette wit...

Page 6: ... MR Resolution 0 1 mg L Accuracy 25 C 77 F LR 1 5 mg L 7 of reading MR 15 mg L 7 of reading Light Source Light Emitting Diode Light Detector Silicon Photocell with narrow band interference filter 466 nm Method Tetraphenylborate method The reaction between potassium and the reagents causes a turbidity in the sample Environment 0 to 50 C 32 to 122 F max 95 RH non condensing Battery Type 9V 1 pc Auto...

Page 7: ...avelength λ c molar concentration of the substance d optical path through the substance Therefore the concentration c can be calculated from the absorbance of the substance as the other factors are known Photometric chemical analysis is based on the possibility to develop an absorbing compound from a specific chemical reaction between sample and reagents Given that the absorption of a compound str...

Page 8: ... process is carried out in two phases first the meter is zeroed and then the actual measurement is performed The cuvette has a very important role because it is an optical element and thus requires particular attention It is important that both the measurement and the calibration zeroing cuvettes are optically identical to provide the same measurement conditions Whenever possible use the same cuve...

Page 9: ...calibration restore READ TIMER this is a multi functional key In measurement mode press to make a measurement or press and hold for three seconds to start a pre programmed countdown prior to measurement In GLP mode press to view the next screen CAL CHECK this is a bi functional key Just press to perform the validation of the meter or press and hold for three seconds to enter calibration mode RANGE...

Page 10: ...user calibration date or restore factory calibration DISPLAY ELEMENTS DESCRIPTION 1 The measuring scheme lamp cuvette detector appears during different phases of zero or reading measurement 2 Error messages and warnings 3 The battery icon indicates the charge state of the battery 4 The hourglass appears when an internal check is in progress 5 Status messages 6 The chronometer appears when the reac...

Page 11: ...asurement Please check the preparation of the zero cuvette No Light The instrument cannot adjust the light level Please check that the sample does not contain any debris ERRORS AND WARNINGS Inverted cuvettes The sample and the zero cuvette are inverted Zero A zero reading was not taken Follow the instructions of the measurement procedure for zeroing the meter b on sample reading Under range A blin...

Page 12: ...ndard High The standard reading is higher than expected Cap error Appears when external light enters in the analysis cell Assure that the cuvette cap is present d other errors and warnings Cooling lamp The instrument waits for the lamp to cool down Battery low The battery must be replaced soon Dead battery This indicates that the battery is dead and must be replaced Once this indication is display...

Page 13: ...er reagent packet a use scissors to open the powder packet b push the edges of the packet to form a spout c pour out the content of the packet It is important that the sample does not contain any debris This would corrupt the reading Each time the cuvette is used the cap must be tightened to the same degree HI93750B 0 HI93750B 0 H I 9 3 7 5 0 B 0 GENERAL TIPS FOR AN ACCURATE MEASUREMENT Proper use...

Page 14: ...it is important to discard immediately the sample otherwise the glass might become permanently stained All the reaction times reported in this manual are referred to 25 C 77 F In general the reaction time should be increased for temperatures lower than 20 ºC 68 ºF and decreased for temperatures higher than 25 ºC 77 ºF In order to maximize accuracy prior to a measurement follow the validation proce...

Page 15: ...asure 0 0 10 0 mg L Potassium when range P1 is selected and 10 100 mg L Potassium when range P2 is selected Note Sample dilution is required when the P2 Potassium MR is selected To change the range follow the procedure Turn the meter on by pressing ON OFF The display briefly shows all tags on After startup the range identification number appears on the secondary display as P1 or P2 Code Parameter ...

Page 16: ...O indicates that the instrument needs to be zeroed first Pay attention to the selected range To change the range simply press RANGE GLP Note If P2 is used a sample dilution is required see below Fill the cuvette with 10 mL of unreacted sample up to the mark and replace the cap Add six drops of HI93750A 0 replace the cap and swirl the solution Do not shake HI93750A 0 6 Place the cuvette into the cu...

Page 17: ...countdown period to alert the user Alternatively wait for 3 minutes Invert the cuvette for 5 times replace the cuvette into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove Press READ TIMER In both cases the lamp cuvette and detector icons will appear on the display depending on the measurement phase At the end of measurement the instrument directly di...

Page 18: ...g demineralized water if needed Note The ion exchange resin contained in the Demineralizer Bottle is provided with an indicator substance The indicator will change from green to blue when the resin has been exhausted and needs to be replaced Mix diluted sample Pour the solution in the 170 mL beaker replace the cap and invert several times to mix This is the diluted sample Select P2 method The proc...

Page 19: ... is now zeroed and ready for validation Remove the cuvette PlacetheCAL CheckTM Standard HI96750 11 Cuvette B into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove Use the validation procedure to ensure that the instrument is properly calibrated Warning Do not validate the instrument with any standard solutions other than the Hanna Instruments CAL Check...

Page 20: ...bration mode The display will show CAL during calibration procedure The blinking ZERO asks for instrument zeroing Press CAL CHECK and the lamp cuvette and detector icons together with CAL CHECK will appear on the display depending on the measurement phase At the end of the measurement the display will show the validation standard value The reading should be within specifications as reported in the...

Page 21: ...hase After a few seconds the display will show 0 0 The meter is now zeroed and ready for calibration The blinking READ asks for reading calibration standard Remove the cuvette Place the CAL CheckTM Standard HI96750 11 Cuvette B into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove Press READ TIMER and the lamp cuvette and detector icons will appear on ...

Page 22: ... dirt and that they are inserted correctly Then the date of the last calibration e g 01 08 2008 appears on the display or 01 01 2008 if the factory calibration was selected before In both cases the year number is blinking ready for date input Press RANGE GLP to edit the desired year 2000 2099 If the key is kept pressed the year number is automatically increased When the correct year has been set p...

Page 23: ...ress RANGE GLP to edit the desired day 01 31 If the key is kept pressed the day number is automatically increased Note It is possible to change the editing from day to year and to month by pressing READ TIMER Press ZERO CFM to save the calibration date The instrument displays Stor for one second and the calibration is saved or The instrument will return automatically to measurement mode by display...

Page 24: ...ear on the secondary display In the GLP mode the last user calibration date can be verified and the factory calibration can be restored LAST CALIBRATION DATE If no calibration was performed the factory calibration message F CAL will appear on the main display and the instrument returns to measurement mode after three seconds FACTORY CALIBRATION RESTORE Press READ TIMER to enter in the factory cali...

Page 25: ...ment is switched on The blinking ZERO means that a new zero has to be performed One fresh battery lasts for around 750 measurements depending on the light level The remaining battery capacity is evaluated at the instrument startup and after each measurement The instrument displays a battery indicator with three levels as follows 3 lines for 100 capacity 2 lines for 66 capacity 1 line for 33 capaci...

Page 26: ...sh one Insert back the battery cover and turn it clockwise to close BATTERY REPLACEMENT HI93750 01 Reagents for 100 test HI93750 03 Reagents for 300 tests Other Accessories HI96750 11 CAL Check Standard Cuvettes 1 set HI740029P 9V battery 10 pcs HI731318 Cloth for wiping cuvettes 4 pcs HI731331 Glass cuvettes 4 pcs HI731335 Caps for cuvettes 4 pcs HI93703 50 Cuvette cleaning solution 230 mL HI7403...

Page 27: ...ned according to the instructions This warranty is limited to repair or replacement free of charge Damages due to accident misuse tampering or lack of prescribed maintenance are not covered If service is required contact your local Hanna Instruments Office 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 warr...

Page 28: ...na Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com Local Office Hanna Instruments USA 270 George Washington Highway Smithfield RI 02917 Phone 800 426 6287 Fax 401 765 7575 e mail tech hannainst com ...

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