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HI98713

ISO Portable Turbidimeter

Instruction Manual

www.hannainst.com

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Summary of Contents for HI 98713

Page 1: ...1 HI98713 ISO Portable Turbidimeter Instruction Manual www hannainst com ...

Page 2: ...n 14 days from the date of purchase WARRANTY Dear Customer Thank you for choosing a Hanna Instruments product Please read this instruction manual carefully before using this instrument This manual will provide you with the necessary information for correct use of this instrument as well as a precise idea of its versatility If you need additional technical information do not hesitate to e mail us a...

Page 3: ... with Five Sample Cuvettes and Caps Four Calibration Cuvettes HI98713 11 Silicone Oil HI93703 58 Tissue for wiping the cuvettes Five Tag holders with Tags HI920005 Batteries 4 pcs AC Adapter Instruction Manual Quick Reference Guide Instrument Quality Certificate Rigid carrying case Note Save all packing material until you are sure that the instrument works correctly Any defective item must be retu...

Page 4: ...ts using the supplied or user prepared standards HI98713hascompleteGLP GoodLaboratoryPractice functionsthatallowstraceabilityofthecalibra tionconditions Thelastcalibrationpoints timeanddatecanbecheckedatanytimebyasingletouch HI98713 has a very user friendly interface with an easy to read large LCD Liquid Crystal Display The displayed codes guide the user step by step with routine operation and thr...

Page 5: ...ertagsinstallationyoucanstart collectingdata UsethePortableTurbidimetertotake measurementsandmemorizethetestresultbypressingtheLog on Demandkey Then theinstrument will ask for the tag identification Simply touching the iButton with the matching connector on the Portable Turbidimeter does identify and authenticate logging by storing the iButton serial number time and date stamp The power of the T I...

Page 6: ...nstruments HI98713 is based on a state of the art optical system that guarantee both high performance and reliable results This optical system includes an infrared LED a scattered light detector 900 and a transmitted light detector 1800 The microprocessor of the instrument calculates from the signals that reaches the two detectors the FNU value using an effective algorithm This algorithm corrects ...

Page 7: ... other deep waters mg L SiO2 Both methods are visual and are not considered very accurate To obtain more accurate readings a formazin based meter should be used as a turbidity reading instrument The HI98713 turbidimeter reports the measurements only in FNU Formazin Nephelometric Units The conversion table between these measurement units is shown bellow JTU FNU FTU NTU SiO2 mg L JTU 1 19 2 50 FNU F...

Page 8: ... Crystal Display LCD The LCD has backlight for better visibility in dark environments 4 Keypad Splash proof resistant 5 LED connector Connect the new LED using a screwdriver during LED changing procedure 6 LED Replaceable infrared LED 7 Battery Lid Remove the battery lid in order to change batteries or replace the LED KEYPAD DESCRIPTION ON OFF CAL LIGHT GLP RCL LOG CFM AVG READ ISO Turbidimeter Fa...

Page 9: ...g records or to confirm the selected option 15 READ press to start a measurement Press and hold READ to make a continuous measurement In Log Recall it is used to see the content of a record In GLP it is used to see all available informations In SETUP during date or time editing it is used to move the focus on the next setting item 16 SETUP DEL press to enter exit setup The DEL function is availabl...

Page 10: ...ode other values or messages are displayed 6 Measurement units The turbidity is measured in FNU When average or continuous mode is selected the FNU tag blinks for each new displayed value For conversions in other units see Measurement Units section 7 AVG icon When selected the measurement will be taken in average mode The FNU tag will blink for each new displayed value 8 Four digit secondary displ...

Page 11: ...t Source 860 nm infrared LED IR Detector Silicon Photocell Method Adaptation of ISO 7027 ratio method with 90 and 180 detector Display 60 x 90 mm LCD with backlight Standards 0 1 15 100 and 750 FNU Calibration Two three or four point calibration LOG Memory 200 records Serial Interface RS232 and USB 1 1 Environment 0 to 50 C 32 to 122 F max 95 RH non condensing Power supply 4 x 1 5V AA alkaline bat...

Page 12: ...e the cuvette by touching only the cap or its top side over the horizontal line Always store the cuvettes in separate boxes or with separators between them to avoid scratches on the surface CUVETTE PREPARATION Whenever a cuvette is used it must be clean inside and outside When it is placed into the instrument it must be dry outside completely free of fingerprints or dirt If the cuvette is not inde...

Page 13: ...onwithdirt Afterafewoilingprocedurestheclothwillcontain enough oil to wipe the bottle with it without adding more oil From time to time add some drops of oil on the cuvette to provide the necessary oil quantity in the cloth INDEXING A CUVETTE It is very important for low turbidity readings to always insert the cuvette into the instrument in the same position All cuvettes are factory indexed This i...

Page 14: ...ing Opentheinstrumentlid slightlyrotatethecuvetteand take a new reading Repeat the last step until you read the lowest FNU value Alternatively keep READ pressed and after the first value is displayed open the lid and start rotating the cuvette until the lowest FNU value is displayed Mark this position on the thicker white band on the top of the cuvette with a water resistant pencil Always use this...

Page 15: ...s READ Record the reading Record the position of the cuvette and the displayed reading Mark this position on the thicker white band on the top of the cuvette with a water resistant pencil Insert the second cuvette into the instrument and take a reading MATCHING MULTIPLE CUVETTES Precise measurements require the use of a single cuvette If it is not possible the cuvet selection and matching must be ...

Page 16: ...mple is taken from a pipe discard the first few liters If measuring a non uniform source collect samples from different places and mix them When measuring the collected sample keep in mind the following Samplesshouldbeanalyzedimmediatelyaftercollectionbecausetheturbiditycanchangeintime To avoid dilution of the sample it is better to rinse the cuvette with a quantity of sample and then discard Only...

Page 17: ...the surfactant may foam If you are using the same cuvette rinse it before adding a new sample in order to avoid surfactant accumulation Surfactant contribution to the turbidity readings is negligible Note Surfactant addition should be used for degassing only when other methods are ineffective USE OF AN ULTRASONIC BATH The ultrasonic waves are very effective in removing air bubbles from samples How...

Page 18: ...lve or the sample characteristics can change Therefore the heating procedure should be used with extreme care The best way is to use a warm water bath and immerse the cuvette with sample into the bath Heat the sample only until the visible bubbles are removed Note Always cool the heated sample to the original sample temperature before measurement The heating procedure can be used in combination wi...

Page 19: ...ons that can influence the reading Place the cuvette into the instrument Align the mark from the cuvette with the sign on the instrument case and close the lid Note Ifyouhaveacuvettewithorientationmark place the cuvette into the instrument with the orientation mark aligned with the sign on the instrument top When taking any turbidity measurements several basic rules should be followed Use always c...

Page 20: ...t generate any errors The first value is displayed after about 10 seconds and then a new reading is displayed each second In order to make a continuous measurement keep READ pressed until the desired number of measurements are taken The display will show blinking dashes and the icons for cuvette detectors and LED will appear When a new value is displayed the cuvette icon and the measurement unit w...

Page 21: ...alue is displayed the cuvet icon and the measurement unit will blink shortly When the measurement is ended the final averaged result is displayed directly in FNU RANGE AND UNITS HI98713 automatically selects the correct range to display the results with the highest accuracy If the measured value is higher than 1000 FNU over range the display will show the maximum value blinking ...

Page 22: ...10 000 grams of hexamethylenetetramine CH2 6 N4 in distilled deionized water and dilute to 100 mL in a volumetric flask Stock solution Mix 10 mL Solution I and 10 mL Solution II in a flask Let the stock solution stays 48 hours at 25 3 C 77 5 F This will result in a 4000 FNU formazin suspension It is very important for the formation of the formazin polymer to maintain the same temperature The stock...

Page 23: ...cons for cuvette detectors and LED will appear during measurement Alternatively press LOG CFM to skip the first point Thesecondcalibrationpoint 15 0FNU isthen displayedontheprimaryLCD CALP 2 onthe secondary LCD and READ tag will blink If the prepared formazin is used edit the displayed value by pressing UP or DOWN keys until the display shows the correct value Removethefirststandardcuvetteandplace...

Page 24: ... mark aligned with the sign on the instrument Close the lid and press READ The display will showblinkingdashesandtheiconsforcuvette de tectors and LED will appear during measurement Attheendofthemeasurement thefourthcalibra tion point 750 FNU is displayed on the primary LCD and CAL P 4 on the secondary LCD At this moment it is possible to exit calibration by pressing CAL The instrument will memori...

Page 25: ...outside a certain range the CAL Err message is displayed CALIBRATION DELETION HI98713 is factory calibrated It is possible to delete last performed calibration To delete last calibration follow the next steps Enter the GLP feature by pressing GLP The date of the last calibration will be displayed on the LCD Press READ to see the information related to calibration The last panel is the one with del...

Page 26: ...eep once displaying the unique hexadecimal code of the tag and store the data After data is stored the instrument returns to measurement mode Notes If the tag is not read within 20 seconds the logging procedure is canceled Ameasurementcanbestoredonlyonce Also an over range value can be stored If less than ten free records are available the LOG tag will blink while storing data Ifthelogmemoryisfull...

Page 27: ...splayed for one second on the secondary LCD together with TAG if the identification of the sampling location was made When the end of the log is reached an error beep is played RECORD VIEWING Each record contains more information than the measured value The additional information is grouped in several panels Press READ to scroll through the record panels The record panels are displayed one by one ...

Page 28: ...rconfirmationandifLOG CFM is pressed the last record is deleted To abort the delete function press READ instead of LOG CFM After the record is deleted the instrument goes immediately to the first panel of the previous record If the log becomes empty dashes will be displayed for one second and the instrument will return to idle mode DELETE ALL RECORDS To delete all records scroll the log until dele...

Page 29: ...ation in hh mm format First calibration point 0 00 FNU if skipped or the actual read value e g 0 01 FNU Second calibration point GOOD LABORATORY PRACTICE GLP The instrument asks for confirmation and if LOG CFM is pressed all records are deleted To abort the delete function press READ instead of LOG CFM After all records are deleted dashes are displayed for one second and the instrument returns to ...

Page 30: ...point if available Delete calibration panel To delete calibration PressSETUP DELwhileinthedeletecalibration panel of the GLP The user calibration will be deleted and the fac tory calibration will be restored The instrument will enter automatically in idle mode ...

Page 31: ...s to set the beeper ON OFF Press LOG CFM to save the change The new selected option will be displayed on the LCD Alternatively press CAL to exit without saving the changes SHOW HIDE THE TIME You can choose between showing or hiding the current hour and minutes on the LCD To set hiding or showing the time press CAL when show hide time panel is displayed The time show status and CFM tag will start b...

Page 32: ...rrent date press CAL when set date panel is displayed The date format is YYYY MM DD The last two digits of the year value and CFM tag will start blinking PresstheUPorDOWNkeystosettheyearvalue Press LOG CFM or READ to start editing the month value The month value will start blinking Press the UP or DOWN keys to set the month value Press LOG CFM or READ to start editing the day value The day value w...

Page 33: ...time will be displayed Alternatively press CAL to exit without saving the changes SET INSTRUMENT ID TheinstrumentIDisafourdigitnumberthatcanbe editedbytheuser TheinstrumentIDisdownloaded onthePCapplication togetherwiththeloggeddata By setting a different ID for each instrument it is possibletomixinformationfrommanyturbidimeters into the same database To set the instrument ID press CAL when set ins...

Page 34: ...ully communicate with the PC the same baud rate must be selected on the instrument and on the PC application The available baud rates are 1200 2400 4800 and 9600 To set the baud rate press CAL when set baud rate panel is displayed The parameter value and CFM tag will start blinking Press the UP or DOWN keys to select the new baud rate value PressLOG CFMtosavethechange Thenewse lectedbaudratewillbe...

Page 35: ...life TAG INSTALLATION The tag is housed in a rugged metal that can withstand harsh environments However it is better to protect the tag from direct rain Place the tag near a sampling point Fix it securely with the provided screws in such a way that the metallic iButton is easily accessible for reading the tag The number of tags that can be installed is practically unlimited Additional tags can be ...

Page 36: ...an 10 the battery tag will be displayed blinking on the LCD to warn the user that the batteries need to be replaced When the batteries are completely discharged 0 bAtt message will be displayed for one second and the instrument will turn off In order to use the instrument again replace the batteries with new ones or use an AC adapter BATTERIES MANAGEMENT LED REPLACEMENT IncaseofLEDfailure thedefec...

Page 37: ...e cover and press it until it locks Turn the instrument ON Warning Replace batteries only in a non hazardous area USING AN AC ADAPTER The HI98713 can be powered from the AC adapter when used in laboratory See the Accessories section to select the correct AC adapter To power the instrument simply connect the AC adapter to the instrument see Connectors Description page 9 It is not necessary to turn ...

Page 38: ... standard used for current calibra tion point is too high Check the standard and use the correct one Battery tag blinking The remaining battery life is too low Replace batteries bAtt The batteries are too discharged for correct measurements Replace batteries PC INTERFACE To fully use the instrument tag identification system function the measured data has to be downloaded to a computer The instrume...

Page 39: ...ke sure it is entirely suitable for your specific application and for the environment in which it is used Any variation introduced by the user to the supplied equipment may degrade the meter s performance For yours and the meter s safety do not use or store the meter in hazardous environments RECOMMENDATIONS FOR USERS CERTIFICATION All Hanna Instruments conform to the CE European Directives Dispos...

Page 40: ...40 World Headquarters Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com MAN98713 06 19 Printed in Romania ...

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