Hanna Instruments HI 4521 Instruction Manual
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Hanna Instruments HI 4521 Instruction Manual

Ph/mv/ise/temperature/conductivity/resistivity/tds/salnity bench meters
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99 Washington Street
Melrose, MA 02176
Instruction Manual
Phone 781-665-1400
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
HI 4521 & HI 4522
pH/mV/ISE/Temperature/
Conductivity/Resistivity/TDS/Salinity
Bench Meters
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Summary of Contents for Hanna Instruments HI 4521

  • Page 1 99 Washington Street Melrose, MA 02176 Instruction Manual Phone 781-665-1400 Toll Free 1-800-517-8431 Visit us at www.TestEquipmentDepot.com HI 4521 & HI 4522 pH/mV/ISE/Temperature/ Conductivity/Resistivity/TDS/Salinity Bench Meters...
  • Page 2 OTHER ACCESSORIES HI 710005/8 Voltage adapter from 115 VAC / 12 VDC 800 mA (USA plug) HI 710006/8 Voltage adapter from 230 VAC / 12 VDC 800 mA (European plug) ChecktempC Pocket-size thermometer (range –50.0 to 150.0 ºC) HI 76404N Electrode holder HI 8427 pH and ORP electrode simulator with 1 m (3.3') coaxial cable ending in female BNC...

  • Page 3: Warranty

    W A R R A N T Y HI 4430B HI 4521 and HI 4522 are warranted for two years against defects in workmanship and materials when used Plastic-body, gel-filled, combination gold ORP electrode. for their intended purpose and maintained according to instructions. Electrodes and probes are guaranteed for Use: general purpose.

  • Page 4: Table Of Contents

    FC 200B TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS Plastic-body, open junction, conic, Viscolene, non-refillable, combination pH electrode. Use: meat & cheese. WARRANTY ............................3 PRELIMINARY EXAMINATION ......................5 GENERAL DESCRIPTION ........................6 FUNCTIONAL DESCRIPTION ........................

  • Page 5: Preliminary Examination

    • 12 Vdc Power Adapter • Instruction Manual HI 4521 and HI 4522 are supplied with 12 Vdc/230 Vac adapter. HI 4521-01 and HI 4522-01 are supplied with 12 Vdc/115 Vac adapter. Note: Save all packing material until you are sure that the instrument works properly. Any defective item HI 1413B must be returned in the original packing with the supplied accessories.

  • Page 6: General Description

    GENERAL DESCRIPTION Glass-body, single junction, refillable, combination pH electrode. HI 4521 and HI 4522 are professional bench meters with color graphic LCD for pH, ORP (Oxidation Reduction Use: general purpose. Potential), ISE (HI 4522 only), conductivity, resistivity, TDS, salinity and temperature measurements.

  • Page 7: Functional Description

    F U N C T I O N A L D E S C R I P T I O N pH ELECTRODES HI 4521/4522 DESCRIPTION All electrodes part numbers ending in B are supplied with a BNC connector and 1 m (3.3') cable, as shown...
  • Page 8 KEYBOARD DESCRIPTION HI 7035M 111800 µS/cm (µmho/cm), 230 mL bottle HI 7035L 111800 µS/cm (µmho/cm), 500 mL bottle FUNCTION KEYS HI 8035L 111800 µS/cm (µmho/cm), 500 mL FDA approved bottle To enter/exit calibration mode; HI 7037L 100% NaCl sea water standard solution, 500 mL To select the desired measurement mode, pH, mV, Rel mV, ISE (HI 4522 only), Conductivity, Resistivity, TDS, Salinity;...

  • Page 9: Specifications

    A C C E S S O R I E S A C C E S S O R I E S A C C E S S O R I E S SPECIFICATIONS SPECIFICATIONS A C C E S S O R I E S A C C E S S O R I E S SPECIFICATIONS SPECIFICATIONS...
  • Page 10 TEMPERATURE CORRELATION TEMPERATURE CORRELATION TEMPERATURE CORRELATION TEMPERATURE CORRELATION TEMPERATURE CORRELATION FOR p p p p p H SENSITIVE GLASS H SENSITIVE GLASS H SENSITIVE GLASS H SENSITIVE GLASS H SENSITIVE GLASS µ µ µ The resistance of glass electrodes partially depends on the temperature. The lower the temperature, the higher the resistance.
  • Page 11 mV / pH / ISE CHANNEL t c a l a c i e l a 0 0 . 0 0 . u s p r e t e l a / e s c x e s s e e v i y t r t c e...

  • Page 12: Operational Guide

    OPERATIONAL GUIDE OPERATIONAL GUIDE OPERATIONAL GUIDE T R O U B L E S H O O T I N G G U I D E T R O U B L E S H O O T I N G G U I D E OPERATIONAL GUIDE OPERATIONAL GUIDE T R O U B L E S H O O T I N G G U I D E...
  • Page 13 For AmpHel For AmpHel electrodes: electrodes: For AmpHel For AmpHel For AmpHel ® ® ® ® ® electrodes: electrodes: electrodes: CHANNEL SELECTION If the electrode does not respond to pH changes, the battery run down and the electrode should be replaced. •...

  • Page 14: Displaying Modes

    D I S P L A Y I N G M O D E S D I S P L A Y I N G M O D E S D I S P L A Y I N G M O D E S E L E C T R O D E C O N D I T I O N I N G E L E C T R O D E C O N D I T I O N I N G E L E C T R O D E C O N D I T I O N I N G...
  • Page 15 Graph PROBE CONDITIONING & MAINTENANCE PROBE CONDITIONING & MAINTENANCE PROBE CONDITIONING & MAINTENANCE PROBE CONDITIONING & MAINTENANCE PROBE CONDITIONING & MAINTENANCE Accessing this option, the online graph with the currently logged values (pH, mV, Rel mV, ISE respectively Conductivity, Resistiv- MEASURE ity, TDS, Salinity vs.
  • Page 16 Log History p p p p p H BUFFER TEMPERATURE H BUFFER TEMPERATURE H BUFFER TEMPERATURE H BUFFER TEMPERATURE H BUFFER TEMPERATURE Accessing this option, last logged records will be displayed on the LCD. D E P E N D E N C E D E P E N D E N C E D E P E N D E N C E D E P E N D E N C E...

  • Page 17: System Setup

    Data can be exported to the most popular spreadsheet programs for further analysis. Accessing System Setup HI 4521 and HI 4522 instruments have two available serial interfaces: RS232 and USB. The desired serial while in Measure mode. • Press interface can be selected from the settings window of the HI 92000 software.
  • Page 18 To set the Beeper: highlighted lot. The “Please wait...” message will be dis- played on the LCD for a short period. The user customised • Use to select the Beeper option. report will be displayed on the LCD. • Press and use to highlight the Note: For automatic logging only, it is possible to view the...
  • Page 19 set as Direct/AutoHold in order to use this logging mode. To set the GLP Data: To log data using this mode: • Use to select the GLP Data option. • Press while in Measure mode to start the logging session. The logged values are only the ones •...
  • Page 20 The “Logging”, sampling period and “AutoHold” indicators will be displayed on the LCD. • Press to confirm your selection. Use • To store another frozen value, press again. and then use to modify the value with • To stop the logging session, press (for Set Date and Time option).
  • Page 21 Language • To stop the logging session, press . The This option allows the user to choose the desired language in which Log Save screen will display thelog lot ID, the settable log all information will be displayed. interval / sampling: •...
  • Page 22 Meter Information L O G G I N G L O G G I N G L O G G I N G L O G G I N G L O G G I N G This option provides general information about the instrument serial number (each instrument has an unique identification serial number), This feature allows the user to log pH, mV, ISE (HI 4522), conductivity, resistivity, TDS, salinity and the software version and the factory calibration date and time (for mV,...

  • Page 23: Ph Setup

    TEMPERATURE CALIBRATION TEMPERATURE CALIBRATION TEMPERATURE CALIBRATION SETUP SETUP TEMPERATURE CALIBRATION TEMPERATURE CALIBRATION p H SETUP SETUP SETUP The pH Setup menu allows the user to set the parameters associated with pH measurement and calibration. The temperature user calibration menu can be accessed at the meter startup by pressing simultaniously three keys as in the below drawing: Accessing pH Setup while in Measure mode and then...
  • Page 24 Note: The saved profile will automatically become the current profile. PRACTICAL SALINITY SCALE (UNESCO 1978) PRACTICAL SALINITY SCALE (UNESCO 1978) PRACTICAL SALINITY SCALE (UNESCO 1978) PRACTICAL SALINITY SCALE (UNESCO 1978) PRACTICAL SALINITY SCALE (UNESCO 1978) According to the definition, salinity of a sample in psu (practical salinity units) is calculated using the Load Profile following formula: To load one profile:...
  • Page 25 Temperature SALINITY CALIBRATION SALINITY CALIBRATION SALINITY CALIBRATION SALINITY CALIBRATION SALINITY CALIBRATION The temperature has a direct influence on pH. This option allows the user to choose the temperature source and units, as well as the desired manual temperature for manual temperature compensation mode. Salinity calibration is a one-point calibration procedure at 100.0% NaCl.
  • Page 26 available buffers and you can choose the one used. TDS MEASURE TDS MEASURE TDS MEASURE MENT MENT MENT MENT TDS MEASURE TDS MEASURE MENT Manual Selection – the desired pH buffer is manually selected from all available buffers, regardless of measured value. Make sure the TDS factor has been set before taking TDS measurements (see TDS Setup section).
  • Page 27 To edit the Custom Buffers: RESISTIVITY MEASURE RESISTIVITY MEASURE RESISTIVITY MEASURE MENT MENT MENT MENT RESISTIVITY MEASURE RESISTIVITY MEASURE MENT • Use to select the Calibration option. Make sure the instrument has been calibrated before taking resistivity measurements. • Press and use to highlight the Edit Custom Buffers option.
  • Page 28 Calibration Reminder Stage 3 - this is an off-line test. In order to have accurate readings, the instrument must be calibrated frecquently. Three options are available for To perform this test: the calibration reminder: Daily, Periodic or Disabled. • Take the water sample from the previous test and increase its ionic strength for a pH measurement at To set the Calibration Reminder: 25 °C;...
  • Page 29 DIRECT/USP MEASUREMENT Clear Calibration Accessing this option, the existent pH calibration can be cleared. If the calibration is cleared, another calibration In this measure mode the user can check for ultra pure water using the United States Pharmacopeia standard has to be performed. (USP <645>).
  • Page 30 Edit Sample ID C O N D U C T I V I T Y M E A S U R E M E N T C O N D U C T I V I T Y M E A S U R E M E N T C O N D U C T I V I T Y M E A S U R E M E N T C O N D U C T I V I T Y M E A S U R E M E N T C O N D U C T I V I T Y M E A S U R E M E N T...
  • Page 31 • Insert and rinse the probe in the first beaker in order to decontaminate it; To set the Stability Criteria: • Insert the probe in the second beaker; • Use to select the Stability Criteria option. • Tap the probe repeatedly to remove any air bubbles that may be trapped inside the sleeve. •...
  • Page 32 after the logging session was started. C O N D U C T I V I T Y C A L I B R A T I O N C O N D U C T I V I T Y C A L I B R A T I O N C O N D U C T I V I T Y C A L I B R A T I O N C O N D U C T I V I T Y C A L I B R A T I O N C O N D U C T I V I T Y C A L I B R A T I O N...
  • Page 33 Clear Calibration Accessing this option, the existent salinity calibration ( Percent Scale ) can be cleared. Sampling Period To clear calibration: This option allows the user to select the desired sampling period for to highlight the Clear Calibration option. • Use automatic logging type.
  • Page 34 Alarm SALINITY SALINITY SALINITY SALINITY SALINITY SETUP SETUP SETUP SETUP SETUP This option allows the user to edit the alarm settings: Alarm State and Alarm Limits . If the Alarm option is enabled, The Salinity Setup menu allows the user to set the parameters related to Salinity measurement and a continuous double beep will be heard, along with the “Alarm”...
  • Page 35 TDS factor Confirmation is enabled, press to accept the modified option, to escape without saving to return to the editing mode. Otherwise, the modified option is saved automatically. With this option the user can set the TDS factor. • Use to highlight the TDS options.

  • Page 36: Mv Setup

    mV SETUP SETUP SETUP SETUP SETUP TDS SETUP SETUP SETUP SETUP SETUP The mV Setup menu allows the user to set the parameters associated with mV and Relative mV measurements. The TDS Setup menu allows the user to set the parameters related to the TDS measurement. Accessing TDS Setup Accessing mV Setup •...

  • Page 37: Ise Setup (Hi 4522 Only)

    Temperature - see Conductivity Setup section. ISE SETUP (HI 4522 SETUP (HI 4522 SETUP (HI 4522 only SETUP (HI 4522 only only) ) ) ) ) only SETUP (HI 4522 only The ISE Setup menu allows the user to set the parameters regarding ISE measurement and calibration. These parameters can be set specifically for each channel.
  • Page 38 Analyte Addition RESISTIVITY RESISTIVITY RESISTIVITY SETUP RESISTIVITY RESISTIVITY SETUP SETUP SETUP SETUP This method is similar to the Known Addition method, with the difference that an aliquot of sample is added to a standard of known concentration. The sample and standard contain the same ion to be measured. The ion The Resistivity Setup menu allows the user to set the parameters related with the resistivity measurements.
  • Page 39 Alarm • Press to confirm your selection or press to cancel operation. This option allows the user to define two alarm limits. Note: If an ISE calibration was performed and the Temperature Compensation option is changed, a warning message appears on the LCD informing the user to perform a new calibration or to set the previous option Alarm State in order to perform accurate measurements.
  • Page 40 Sampling Period To set the Electrode Type: This option allows the user to select the desired sampling period for • Use to select the Electrode Type option. automatic logging. • Press and use to select the To set the sampling period: desired standard ISE or a custom one from the list.
  • Page 41 by pressing . A pop-up menu will be displayed This option allows the user to edit the settings related to the logging feature, as following: on the LCD, in which the slope value can be set using . Press to save the Logging Type modified value or press to return to the Ion...
  • Page 42 Isopotential Point Sample ID This option allows the user to give to the measured samples an identification number/name. Two Sample ID This option allows the user to edit the isopotential point of the electrode used for ion measurements. The ion selective electrodes have different isopotential points.

  • Page 43: Ph Calibration

    Clear Calibration pH CALIBRATION pH CALIBRATION pH CALIBRATION pH CALIBRATION pH CALIBRATION Accessing this option, the existent conductivity calibration can be cleared. If the calibration is cleared, another calibration has to be performed. Calibrate the instrument often, especially if high accuracy is required. To clear calibration: The instrument should be recalibrated: •...
  • Page 44 Calibration Reminder Three buffer entry types are available: Automatic, Semiautomatic and Manual Selection. The default option is Manual Selection. This option allows the user to set the calibration reminder as Daily , Periodic or Disabled . To calibrate the instrument using Manual Selection buffer entry type: To set the calibration reminder: •...
  • Page 45 Calibration Points • When in MTC mode, if pressing after entering The user can choose between Single Point and Multi Points calibration. calibration and while a custom pH calibration buffer is To set the calibration points: selected, a pop-up menu will be displayed on the LCD in which the custom buffer and the temperature value can •...
  • Page 46 Compensation Coefficient (only for Linear temperature compensation) • Unrecognized buffer. Please check the buffer or the buffer list (for Semiautomatic and Automatic buffer entry type): this message appears if the current buffer value is not close to any of the buffers from the buffer list/group. To set the compensation coefficient: Check if the current buffer is present in the buffer list or the appropriate buffer group was selected.

  • Page 47: Ph Measurement

    Temperature Unit p H M E A S U R E M E N T p H M E A S U R E M E N T p H M E A S U R E M E N T p H M E A S U R E M E N T p H M E A S U R E M E N T The user can choose from the Celsius , Fahrenheit or Kelvin temperature...
  • Page 48 Outside Cal Range feature warns the user if the current reading is Table for non-linear temperature compensation: out of the calibrated area. The calibrated area is that part of the pH range in which the calibration point assures an accurate reading. If the reading is taken out of the calibration area, the “Outside Cal Range”...

  • Page 49: Mv & Relative Mv Measurements

    Temperature Compensation mV & Relative mV MEASURE mV & Relative mV MEASURE mV & Relative mV MEASUREMENT MENT MENT MENT S S S S S mV & Relative mV MEASURE mV & Relative mV MEASURE MENT The user can choose from the following options: mV/ORP mV/ORP MEASUREMENTS...
  • Page 50 Relative mV Relative mV MEASUREMENTS MEASUREMENTS Relative mV Relative mV Relative mV MEASUREMENTS MEASUREMENTS MEASUREMENTS Temperature From the Temperature menu the user can choose the temperature To measure the Relative mV of a sample: source and units, as well as the temperature compensation mode, •...

  • Page 51: Ise Calibration (Hi 4522 Only)

    Delete Profile ISE CALIBRATION ISE CALIBRATION ISE CALIBRATION ISE CALIBRATION ISE CALIBRATION To delete one of the existing profiles: (HI 4522 only) (HI 4522 only) (HI 4522 only) (HI 4522 only) (HI 4522 only) • Use to select the Profile option. For greatest accuracy, it is recommended to calibrate the instrument frequently.
  • Page 52 Save Current Profile Two standard entry types are available: ManualSelection and Custom Standard. The default option is Manual Selection. To save the current profile: A. To calibrate the instrument using Manual Selection standard entry type: • Use to select the Profile option. •...
  • Page 53 • If the standard solution concentration is validated, will appear on the LCD. Press to update C o n d u c t i v i t y C o n d u c t i v i t y C o n d u c t i v i t y S E T U P S E T U P S E T U P...
  • Page 54 where: C ∆E - the sample concentration; - the difference of potential from the electrode; is significant. If this message is displayed, check if you have selected the appropriate calibration SAMPLE S - the electrode slope, determined in a - the standard concentration; standard.to be tested.

  • Page 55: Ise Measurement (Hi 4522 Only)

    ISE MEASUREMENT ISE MEASUREMENT ISE MEASUREMENT ISE MEASUREMENT ISE MEASUREMENT (HI 4522 only) (HI 4522 only) (HI 4522 only) (HI 4522 only) (HI 4522 only) Make sure the instrument has been calibrated before taking ISE measurements. where: C - the sample concentration; ∆E - the difference of potential from the electrode;...
  • Page 56 Actual samples that are more concentrated have much smaller activity coefficients ( <1). The addition of an • The measured concentration value will be displayed on the LCD. If pressing , the “AutoHold” indicator inert background salt to standards and samples stabilizes the activity coefficient so that concentration measurements will start blinking on the LCD until the stability criterion is reached.
  • Page 57 ISE THEORY ISE THEORY ISE THEORY ISE THEORY ISE THEORY • Press to change the desired method parameters as indicated in the first step of the method. An Ion Selective Electrode (ISE) is an electrochemical sensor that changes voltage with the activity or concentration •...
  • Page 58 results will be displayed on the LCD. • If pressing , the method parameters can be changed and the sample concentration will be recalculated. • Press to log the current results into a ISE Method • Press to start another measurement. Report or press to return to ISE Measure mode.

This manual is also suitable for:

Hi 4522

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