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6

KEYBOARD DESCRIPTION

FUNCTION KEYS

VIRTUAL KEYS

The upper row keys are assigned to the 

virtual keys

 placed on the bottom of the LCD, which allow you to

perform the displayed function, depending on the current menu (e.g. 

,

 

 and 

 in

Measure mode).

LCD GENERAL DESCRIPTION

To enter / exit calibration mode.

To select the desired measurement mode:  Conductivity,  Resistivity, TDS, Salinity.

To enter Setup (System Setup, Conductivity Setup, Resistivity Setup , TDS Setup  or Salinity
Setup) and to access Log Recall function.
To obtain general informations about the selected option / operation.

Summary of Contents for HI 4321

Page 1: ...1 www hannainst com HI 4321 Conductivity Resistivity TDS Salinity Temperature Bench Meter Instruction Manual ...

Page 2: ... Hanna Instruments first obtain a Returned Goods Authorization number from the Technical Service Department and then send it with shipping costs prepaid When shipping any instrument make sure it is properly packed for complete protection To validate your warranty fill out and return the enclosed warranty card within 14 days from the date of purchase Dear Customer Thank you for choosing a Hanna Ins...

Page 3: ...IONAL GUIDE 9 DISPLAYING MODES 10 SYSTEM SETUP 13 CONDUCTIVITY SETUP 19 RESISTIVITY SETUP 34 TDS SETUP 36 SALINITY SETUP 38 CONDUCTIVITY CALIBRATION 40 CONDUCTIVITY MEASUREMENT 42 RESISTIVITY MEASUREMENT 45 TDS MEASUREMENT 46 SALINITY CALIBRATION 47 SALINITY MEASUREMENT 48 TEMPERATURE CALIBRATION 50 LOGGING 51 PC INTERFACE 56 PROBE CONDITIONING MAINTENANCE 56 TROUBLESHOOTING GUIDE 57 ACCESSORIES 5...

Page 4: ...in features of the instruments are One input channel Five measurement parameters conductivity resistivity TDS salinity and temperature Pure water checking using the USP 645 standard Automatic or custom standard conductivity calibration in up to four points probe offset calibration One fixed point salinity calibration Percent Scale only AutoHold feature to freeze the stable reading on the LCD Two s...

Page 5: ...Display LCD 2 Main Keyboard 3 USB connector 4 ON OFF switch 5 Power adapter socket 6 RS232 serial communication connector 7 Conductivity probe input FUNCTIONAL DESCRIPTION FUNCTIONAL DESCRIPTION FUNCTIONAL DESCRIPTION FUNCTIONAL DESCRIPTION FUNCTIONAL DESCRIPTION ...

Page 6: ...on depending on the current menu e g and in Measure mode LCD GENERAL DESCRIPTION To enter exit calibration mode To select the desired measurement mode Conductivity Resistivity TDS Salinity To enter Setup System Setup Conductivity Setup Resistivity Setup TDS Setup or Salinity Setup and to access Log Recall function To obtain general informations about the selected option operation ...

Page 7: ... T C 0 0 0 1 o t 0 0 0 e r u t a r e p m e t e c n e r e f e R C 0 0 3 o t C 0 5 1 s e l i f o r P 0 1 o t p U t n a i l p m o c P S U s e Y y t i v i t s i s e R e g n a R m c x s m h O 9 9 9 o t 0 1 m c x s m h O 9 9 9 o t 0 0 1 m c x s m h O K 9 9 9 o t 0 0 1 m c x s m h O K 9 9 9 o t 0 0 1 m c x s m h O K 9 9 9 o t 0 0 1 m c x s m h O M 9 9 9 o t 0 0 1 m c x s m h O M 0 0 0 1 o t 0 0 1 n o i t...

Page 8: ... t n i o p n o i t a r b i l a c d l o H o t u A s e Y e r u t a e f g n i g g o L s e l p m a s d r o c e R t o l s d r o c e r 0 0 0 0 1 h t i w s t o l 0 0 1 l a v r e t n i g n i g g o L e m i t g o l x a m d n a s 1 n e e w t e b e l b a t t e S e p y T d l o H o t u A d n a m e d n o g o L c i t a m o t u A n o i t a z i n i t a l p e R s e Y D C L s l e x i p 0 2 3 x 0 4 2 D C L c i h p a r...

Page 9: ...on the rear panel of the instrument INSTRUMENT START UP Turn the instrument on from the power switch located on the rear panel of the instrument Please wait until the instrument finishes the initialization process Note It is normal for the loading process to take a few seconds If the instrument doesn t display the next screen restart the meter using the power switch If the problem persists contact...

Page 10: ...he Reminder messages area Press The instrument will display the basic informa tion for the selected measurement mode GLP Accessing this option a detailed GLP data will be displayed on the LCD for conductivity and salinity Percent Scale only measure modes Last Calibration Date and Time Cell Constant Probe Offset Reference Temperature Compensation Coefficient Tem perature Compensation To access the ...

Page 11: ...hoose Display Configuration message will be displayed in the Reminder messages area Press When the online graph is displayed Use and to move the graph along the horizontal Time axis Press to access the zoom menu for the vertical Parameter axis Use or for vertical axis zooming Press to return to the main menu When the offline graph is displayed Use the arrow keys to move the graph along the horizon...

Page 12: ...ode The Choose Display Configuration message will be displayed in the Reminder messages area Press The instrument will display the log history regarding the selected measure mode Notes When an alarm condition is active the logged records will have an exclamation mark When a meter is in auto hold the logged records will have an H symbol If another measure mode is selected the Log History will be cl...

Page 13: ... beeper is enabled a specific beep will be heard when the reading becomes stable when an alarm condition is reached when pressing a key or if a wrong key is pressed Stability Indicator When the reading becomes stable the instrument delivers a medium beep only if this option is activated along with the Stable indicator on the LCD Alarm If this option is activated a continuous double beep will be he...

Page 14: ...ncelingthesavingoperation and return to the editing mode by pressing If disabled the modified values will be saved automatically To enabled disabled the saving confirmation Use or toselecttheSavingConfirmationoption Press anduse or tochooseenabled disabled Press to confirm your selection or press to cancel operation GLP Data This option allows the user to set general information which will appear ...

Page 15: ...d automatically Date Time This option allows the user to set the current date time and the format in which they appear These parameters will be displayed on the Measure screens and also when storing measured data Set Date and Time This option allows you to set the current date year month day and time hour minute second Notes Only years starting with 2000 are accepted The time is set using the sele...

Page 16: ...on the LCD notifying the user that a date time conflict has occured and some time dependent features could work improperly e g GLP Log LCD Setup This option allows the user to set the Contrast the Backlight of the LCD and the Backlight Saver The Contrast parameter can be adjusted within 7 steps while the Backlight parameter within 4 steps The Backlight Saver can be set from 1 to 60 minutes or it c...

Page 17: ...ystem Setup menu without changing Serial Communication This option allows the user to set the desired speed for the serial communication baud rate between the instrument and PC from 1200 2400 4800 or 9600 To set the serial communication Use or to select the Serial Communication option Press and use or to highlight the desired baud rate Press to confirm your selection and return to the SystemSetupm...

Page 18: ...r startup to inform the user that a new factory calibration is required To view the meter information Use or toselecttheMeterInformationoption Press to confirm and to view the meter information or press to return to the System Setup menu Restore Factory Settings This option allows the user to reset the instrument to the default factory settings To restore the factory settings Use or to select the ...

Page 19: ...n to access Conductivity Setup menu To access a conductivity setup options Use or to highlight the desired option Press to access the selected option or to exit setup The following is a detailed description of the Conductivity Setup option screens Profile Choosing this option the measuring and the calibration mode can be customized Up to 10 profiles can be defined by the user The available options...

Page 20: ...rrent Profile To save the current profile Use or to select the Profile option Press and then select Save Current Profile option The text editor box will be displayed on the LCD Enterthedesiredprofilenamebyusing and to highlight the desired character and then press to add it to the text bar It is also possible to delete the last character by positioning the cursor on the Backspace character andpres...

Page 21: ... use or to highlight the desired option Press to confirm your selection or press to cancel operation Delete Profile To delete one of the existing profiles Use or to select the Profile option Press and use or to highlight the Delete Profile option Press A list with all customised profiles will appear on the screen Use or to select the desired profile and press Press to return to the previous menu ...

Page 22: ...ficient To access a Temperature option Use or to highlight the Temperature option from the Conductivity Setup menu Press to access the Temperature option Temperature Source To set the temperature source Use or to highlight the Temperature Source option Press and then use or to select Automatic or Manual temperature source Press to confirm your selection or press to cancel operation ...

Page 23: ...t T temperature ref reference temperature Non Linear recommended for measuring the conductivity of the natural water in accordance with the compensation table on the next page Disabled the meter will display the conductivity with no temperature compensation To set the temperature compensation mode Use or to highlight the Temperature Compensation option Press and then use or to select Linear Non Li...

Page 24: ...6 9 1 1 3 9 1 1 1 9 1 1 8 8 1 1 5 8 1 1 2 8 1 1 9 7 1 1 7 7 1 1 4 7 1 1 1 7 1 1 8 1 8 6 1 1 6 6 1 1 3 6 1 1 0 6 1 1 7 5 1 1 5 5 1 1 2 5 1 1 9 4 1 1 7 4 1 1 4 4 1 1 9 1 1 4 1 1 9 3 1 1 6 3 1 1 4 3 1 1 1 3 1 1 8 2 1 1 6 2 1 1 3 2 1 1 1 2 1 1 8 1 1 1 0 2 6 1 1 1 3 1 1 1 1 1 1 1 8 0 1 1 5 0 1 1 3 0 1 1 1 0 1 1 8 9 0 1 6 9 0 1 3 9 0 1 1 2 1 9 0 1 8 8 0 1 6 8 0 1 3 8 0 1 1 8 0 1 9 7 0 1 6 7 0 1 4 7 0 1 ...

Page 25: ... use or to select Celsius Fahrenheit or Kelvin degrees unit Press to confirm your selection or press to cancel operation Reference Temperature only for linear or non linear temperature compensation To set the reference temperature Use or to highlight the Reference Tem perature option Press and then use or to increase decrease the value Press to save or press to cancel operation ...

Page 26: ...he cell constant of the probe by the user Using standard solutions The meter can be calibrated in a single or multi points up to four points using 6 Hanna standards 84 µS 1413 µS 5 0 mS 12 88 mS 80 0 mS 111 8 mS or using the custom standards The following options are available for calibration Standard Recognition The user can choose between Automatic recognition from 6 Hanna standards available or...

Page 27: ...ress to confirm your selection or press to cancel operation Cell constant manual editing The conductivity probe can also be calibrated by entering the cell constant value To edit the cell constant value Use or to highlight the Cell Constant option Press Press to preset the cell constant value to the probe auto recognizable default cell constant Use or to increase decrease the value Press to confir...

Page 28: ...on Press and use to select next previous entry to be edited Press and use or to set the desired value then press to save the modified value Press to return to the previous menu Calibration Reminder This option allows the user to set the calibration reminder as Daily Periodic or Disabled To set the calibration reminder Use or to highlight the Calibration re minder option Press to confirm your selec...

Page 29: ...ation Clear Calibration Accessing this option the existent conductivity calibration can be cleared the probe cell constant will be reset to default If the calibration is cleared another calibration has to be performed To clear calibration Use or to highlight the Clear Calibration option Press to clear calibration A pop up menu will be displayed asking for confirmation Press to confirm or press to ...

Page 30: ...select the ID increment mode Use or to highlight the ID Increment option Press and then use or to highlight the desired option Press to confirm your selection or press to cancel operation Edit Sample ID This option allows the user to edit the sample ID numeric auto increment mode alphanumeric user editable To edit the Sample ID Use or to select the Sample ID option Press anduse or tohighlighttheEd...

Page 31: ...le logging type Use or to highlight the Logging Type option Press and use or to choose from Automatic Manual or Auto Hold Press to confirm your selection or press to cancel operation Logging Data Configuration This option allows the user to select the parameters that accompany a logged value Date Time Calibration Data Sample ID Instrument ID Operator ID Company Name Aditional Info 1 and Aditional ...

Page 32: ... Press to confirm your selection or press to cancel operation New Lot Accessing this option the new manually logged readings will be put in a new log lot To generate a new lot Use or to highlight the New Lot option Press to generate a new manual lot A pop up menu will be displayed to ask for confirmation Press to confirm or press to escape without saving and return to the Log options Note The New ...

Page 33: ...et limits To set the alarm state Use or to highlight the Alarm State option Press and use or to highlight the desired option Press to confirm your selection or press to cancel operation Alarm Limits This option allows the user to set the alarm limits for the measured value Note The alarm high value cannot be lower than the alarm low value To set the alarm limits Highlight the Alarm Limits option a...

Page 34: ...istivity Setup menu To access a Resistivity Setup option Use or to select the desired option Press to confirm your selection The following is a description of the Resistivity Setup option screens Profile see Conductivity Setup section Reading Mode This option allows the user to select between Directand Direct AutoHold resistivity reading modes To set the Reading Mode Use or to select the Reading M...

Page 35: ...anging measuring modes To select the units Use or to highlight the Units option Press to confirm and then use or to highlight the desired unit Press to confirm or press to cancel operation Sample ID see Conductivity Setup section Log see Conductivity Setup section Alarm see Conductivity Setup section ...

Page 36: ... option Press to access the selected option The following is a description of the TDS Setup option screens Reading Mode see Resistivity Setup section Profile see Conductivity Setup section Temperature see Conductivity Setup section Units This option allows the user to set the TDS measuring range ppm mg L ppt g L AutoRanging To select the suitable unit Use or to highlight the TDS Units Press to con...

Page 37: ...ghlight the TDS Factor option Press to confirm your selection and use or to increase decrease the value Press to confirm your selection or press to cancel operation Sample ID see Conductivity Setup section Log see Conductivity Setup section Alarm see Conductivity Setup section ...

Page 38: ...n Use or to highlight the desired option Press to access the selected option The following is a description of the Salinity Setup options Profile see Conductivity Setup section Reading Mode see Resistivity Setup section Temperature This option allows the user to choose the temperature source and units To access temperature options Use or to highlight the Temperature option Press to access Temperat...

Page 39: ...ss to cancel operation Salinity Scale The meter uses three salinity scales Natural Sea Water 1966 Practical Scale 1978 Percent Scale To select the salinity measurement scale Press while in salinity measure mode Press Use or to select the Salinity Scale option Press and use or to highlight the desired option Press to confirm your selection or press to cancel operation Sample ID see Conductivity Set...

Page 40: ...elect the automatic standard recognition see Conductivity Setup Calibration Leave the dry probe in the air Enter in calibration mode by pressing Wait to stabilize The 0 000 µS calibration point will appear on the screen Press to finish the probe offset calibration Press to exit calibration mode or continue calibration in the other standard solutions Note The offset calibration can be performed onl...

Page 41: ...ion or to exit calibration Note The calculated cell constant will be used for the wide range Multi Point Calibration Up to 4 calibration points can be performed in order to increase the measurement accuracy on the wide range Select the multi point calibration see Conductivity Setup Calibration Repeat the steps from the single point calibration for each calibration point The meter will calculate a ...

Page 42: ...bilize The measured conductivity value will be displayed Note If the reading is out of range will be displayed DIRECT AUTOHOLD MEASUREMENT To measure conductivity of a sample using the Direct AutoHold reading mode Select the Direct AutoHold reading mode see Conductivity Setup If pressing the AutoHold indicator will start blink ing on the display until the stability criterion is reached The conduct...

Page 43: ...than the conductivity in the table then the water meets the USP requirements Otherwise proceed to Stage 2 testing Stage 2 this is an off line test Test steps Store the water sample in an enclosed clean container that has been rinsed previously with water of the same quality Adjust the sample s temperature to 25 C and agitate the sample to ensure that it has equilibrated with ambient CO2 If the mea...

Page 44: ...ctivity from the below table then the sample has met the USP requirements Otherwise the water didn t meet the USP requirements To access the USP menu Select the Direct USP reading mode see Conductivity Setup Return to measure mode Press USP and then select the desired USP stage H p y t i v i t c u d n o C m c S µ H p y t i v i t c u d n o C m c S µ 0 5 7 4 1 6 4 2 1 5 1 4 2 6 5 2 2 5 6 3 3 6 4 2 3...

Page 45: ...istivity Setup section Proceed as for the conductivity measurement see Conductivity Measurement section DIRECT AUTOHOLD MEASUREMENT To measure resistivity of a sample using the Direct AutoHold reading mode Select the Direct AutoHold reading mode see Resistivity Setup section Proceed as for the conductivity measurement see Conductivity Measurement section RESISTIVITY MEASURE RESISTIVITY MEASURE RES...

Page 46: ...reading mode see TDS Setup section Proceed as for the conductivity measurement see Conductivity Measurement section DIRECT AUTOHOLD MEASUREMENT To measure TDS of a sample using the Direct AutoHold reading mode Select the Direct AutoHold reading mode see TDS Setup section Proceed as for the conductivity measurement see Conductivity Measurement section TDS MEASURE TDS MEASURE TDS MEASURE TDS MEASURE...

Page 47: ...ity calibration Set the meter for salinity range Select the Percent Scale see Salinity Setup section Rinse the probe with some of the calibration solution or deionized water Immerse the probe into HI 7037L solution The sleeve holes must be completely submerged Tap the probe repeatedly to remove any air bubbles that may be trapped inside the sleeve Enter in calibration mode by pressing Wait to stab...

Page 48: ...1966 According to the definition salinity of a sample in ppt is calculated using the following formula where RT coefficient CT sample uncompensated conductivity at T C C 35 15 42914 µS cm the corresponding conductivity of KCl solution containing a mass of 32 4356 g KCl 1 Kg solution rT temperature compensation polynom Note The formula can be applied for temperatures between 10 C and 31 C SALINITY ...

Page 49: ...oefficient CT sample uncompensated conductivity at T C C 35 15 42914 µS cm the corresponding conductivity of KCl solution containing a mass of 32 4356 g KCl 1 Kg solution rT temperature compensation polynom a0 0 008 b0 0 0005 a1 0 1692 b1 0 0056 a2 25 3851 b2 0 0066 a3 14 0941 b3 0 0375 a4 7 0261 b4 0 0636 a5 2 7081 b5 0 0144 c0 0 008 c1 0 0005 X 400RT Y 100RT f T T 15 1 0 0162 T 15 Note The formu...

Page 50: ...user calibration is performed in three points around 0 C 50 C 100 C To start temperature user calibration Insert the probe in the beaker with water at 0 C Press to start the temperature calibration Adjust the temperature preset value using or when necessary Wait to stabilize and then press to confirm the calibration point Repeat the above steps for 50 C and 100 C Save the calibration Press to retu...

Page 51: ...will be stored at the set sampling period Note While automatic logging is running the measured pa rameter setup is not available A warning message will be displayed if the setup is accessed If accessing Graph option while logging the online graph can be visualized on the LCD see Display Mode section If accessing Log History option while logging last logged data can be visualized on the LCD see Dis...

Page 52: ...MODE 2 This logging mode can be used for multiple samples measurement By choosing this logging mode and will be available in Measure mode To log data using this mode Press while in Measure mode to start the logging session When the measured value is frozen on the LCD by pressing and the stability criterion is reached the logged value is the one that has been frozen on the LCD until returning to no...

Page 53: ...criterion is reached the logged value is the one that has been frozen on the LCD To store another frozen value press to return to normal logging mode and then again The records will be stored in one lot In order to change the logging lot see the measured unit Setup for details Log option New Lot generation LOGGING MODE 5 This logging mode can be used for multiple samples measurement By choosing th...

Page 54: ...ess The Choose Log Report Type message will be displayed in the Reminder messages area Press or to select the desired Log USP Report type All logged lots for the selected Log Report type will be displayed on the LCD To filter the displayed lots press and then the desired unit or Only the selected measurement unit lots will be displayed on the LCD Select the desired lot with or and press to display...

Page 55: ...nd then press or to delete the selected lot or all lots The Please wait message will be displayed on the LCD until the selected lot or all lots are deleted Press and then press to exit deleting mode and return to Log Recall view mode Press to exit Log Recall mode and return to Measure mode Note Logged lots should also be deleted whenever Please Delete Old Log Files or Low Data Logging Space messag...

Page 56: ...strument and the HI 92000 software have the same baud rate and the appropriate communication port MEASURE Rinse the conductivity probe with distilled water Immerse the tip bottom 4 cm 1 in the sample and stir gently for a few seconds For a faster response and to avoid cross contamination of the samples rinse the probe with a few drops of the solution to be tested before taking measurements PERIODI...

Page 57: ... t a r e p m e t e h T n e k o r b s i e c r u o s e r u t a r e p m e t l a u n a m s a t e s t e S e b o r p e h t e c a l p e R s a e c r u o s e r u t a r e p m e t e h t c i t a m o t u a o t s l i a f r e t e m e h T s e v i g r o e t a r b i l a c s g n i d a e r y t l u a f s i e b o r p e h T d e g a m a d e b o r p e h t e c a l p e R e r a s g n i n r a w t i c i l p x E g n i r u d d e...

Page 58: ...ed bottle HI 7034M 80000 µS cm µmho cm 230 mL bottle HI 7034L 80000 µS cm µmho cm 500 mL bottle HI 8034L 80000 µS cm µmho cm 500 mL FDA approved bottle HI 7035M 111800 µS cm µmho cm 230 mL bottle HI 7035L 111800 µS cm µmho cm 500 mL bottle HI 8035L 111800 µS cm µmho cm 500 mL FDA approved bottle HI 7037L 100 NaCl sea water standard solution 500 mL PROBE CLEANING SOLUTIONS PROBE CLEANING SOLUTIONS ...

Page 59: ... bulb at the end of the pH electrode is sensitive to electrostatic discharges Avoid touching this glass bulb at all times During operation ESD wrist straps should be worn to avoid possible damage to the electrode by electrostatic discharges Any variation introduced by the user to the supplied equipment may degrade the instruments EMC performance To avoid electrical shock do not use these instrumen...

Page 60: ...2 Fax 210 884 0210 Indonesia Tel 21 4584 2941 Fax 21 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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