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46

mV AND TEMPERA

TURE CALIBRA

TION (for technical personnel only)

All the instruments are factory calibrated for mV and temperature.
Hanna’s temperature probes are interchangeable and no temperature calibration is needed when
they are replaced.
If the temperature or ORP measurements are inaccurate, calibration should be performed.
For an accurate recalibration, contact your dealer or the nearest Hanna Customer Service Center, or
follow the instructions below.

ENTER CALIBRATION MODE

With the instrument off, press and hold down the / then power on the instrument. The calibra‑
tion screen is displayed. Press

“T”

functional key to enter the temperature calibration mode.

TEMPERATURE CALIBRATION

• Prepare a vessel containing ice and water and another one containing hot waterm (at

approximately 50 °C or 122 °F). Place insulation material around the vessels to minimize tem‑
perature changes.

• Use a calibrated thermometer with a resolution of 0.1 °C as a reference thermometer. Connect the

temperature probe to the appropriate socket.

• Immerse the temperature probe or the pH probe including temperature sensor into the vessel

with ice and water as close as possible to the reference thermometer. Allow a few seconds for
the probe to stabilize.

• Use the / keys to set the calibration point value to that of ice and water mixture, measured

by the reference thermometer. When the reading is stable and within range of the selected
calibration point, the

CFM

functional key is displayed.

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Содержание HI98190

Страница 1: ...INSTRUCTION MANUAL HI98190 HI98191 Calibration Check Waterproof pH mV ISE Temperature Meters ...

Страница 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 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 USA Dear Cust...

Страница 3: ...NCE RELATIVE MV CALIBRATION ISE CALIBRATION HI98191 GOOD LABORATORY PRACTICE GLP SETUP LOGGING AUTOEND mV AND TEMPERATURE CALIBRATION FOR TECHNICAL PERSONNEL ONLY PC INTERFACE BATTERIES REPLACEMENT TEMPERATURE CORRELATION FOR pH SENSITIVE GLASS ELECTRODE CONDITIONING AND MAINTENANCE TROUBLESHOOTING GUIDE TABLE OF CONTENTS 4 5 8 10 23 25 31 45 49 55 58 6 9 14 24 29 44 46 54 56 ...

Страница 4: ...ombined pH temperature electrode HI98191 HI7662 Temperature Probe HI98191 pH 4 01 7 01 Buffer Solutions 230 mL each HI700601 General Purpose Cleaning Solution 3 pcs 100 mL Plastic Beaker 2 pcs 1 5V AA Batteries 4 pcs HI92000 PC Software HI920015 Micro USB cable Instruction Manual and Quick Reference Guide Certificate PRELIMINARY EXAMINATION Note Save all packing material until you are sure that th...

Страница 5: ...led Outside Calibration Range warning Monitoring of the electrode aging User selectable Calibration Time Out to remind when a new calibration is necessary Moreover they offer an extended temperature range from 20 to 120 C 4 to 248 F using a temperature sensor inside pH electrode These instruments can also measure with ORP electrodes thanks to their capability to measure mV with a resolution up to ...

Страница 6: ...d Laboratory Practice information 7 CAL key to enter exit calibration mode 8 SETUP key to enter exit SETUP mode 9 RCL key to enter exit view logged data mode 10 MODE key to change pH resolution or to toggle between mV and Rel mV mode 11 RANGE key to switch between pH and mV range HI98190 or pH mV and ISE range HI98191 12 HELP key to enter exit contextual help 13 ESC to leave current mode exit cali...

Страница 7: ... Electrode DIN connector 15 USB connector TOP VIEW HI98190 FUNCTIONAL DESCRIPTION TOP VIEW HI98191 14 BNC electrode connector 15 Input for Reference electrode 16 Input for Temperature probe 17 USB Connector ...

Страница 8: ...ailable pH 1 68 4 01 6 86 7 01 9 18 10 01 12 45 and five custom buffers Slope Calibration From 80 to 110 Temperature Compensation Manual or Automatic from 20 0 to 120 0 C 4 0 to 248 0 F pH Electrode HI12963 pH temperature LOG On demand 200 samples 100 samples on each range Input Impedance 10 Ω Battery Type Life 1 5V AA batteries 4 pcs approx 200 hours of continuous use without backlight 50 hours w...

Страница 9: ...01 6 86 7 01 9 18 10 01 12 45 and five custom buffers Slope Calibration From 80 to 110 ISE Calibration Up to five point calibration points six standard solutions available 0 1 1 10 100 1000 10000 ppm Temperature Compensation Manual or Automatic from 20 0 to 120 0 C 4 0 to 248 0 F pH Electrode HI72911B pH temperature included LOG On demand 300 samples log samples on each range Input Impedance 10 Ω ...

Страница 10: ...e DIN connector Turn the instrument ON by pressing ON OFF key At start up the display will show the Hanna logo for a few seconds followed by the percentage indication of the remaining battery life then enters the measurement mode After measurement switch the instrument off clean the electrode and store it with a few drops of HI70300 storage solution in the protective cap see page 57 The Auto Power...

Страница 11: ...consideration If the sample temperature is different from the temperature at which the pH electrode was kept allow a few minutes to reach thermal equilibrium To use the instrument s Automatic Temperature Compensation ATC feature submerge the temperature probe into the sample as close to the electrode as possible and wait for a few seconds If manual temperature compensation MTC is desired the tempe...

Страница 12: ...enter Relative mV mode press MODE while in mV measurement mode The relative mV reading will be displayed along with the Absolute mV value and the current temperature readings The relative mV reading is equal to the difference between the absolute mV input value and relative mV offset established in the relative mV calibration Note If using the pH electrode while in mV mode the instrument will meas...

Страница 13: ...a one point calibration in order to take ISE measurements Changing the ISE electrode or the ion charge will need ISE range calibration TEMPERATURE MEASUREMENTS For HI98190 the temperature sensor is connected through DIN socket Connect the temperature connector to the appropriate socket HI98191 Immerse the pH electrode into the sample and allow the reading on the secondary LCD to stabilize Note The...

Страница 14: ...er changing mode Use keys to change the value in a 1 00 pH window in according with the temperature reading and then Accept Press ESC to leave custom buffers value unchanged For accurate pH measurements it is recommended to perform a calibration in maximum allowed points However at least a two point calibration is suggested The instrument will automatically skip the buffers used during calibration...

Страница 15: ... to confirm first point The calibrated value and the second expected buffer value is then displayed on the LCD After the first calibration point is confirmed immerse the pH electrode and the temperature probe approximately 4 cm 1 into the second buffer solution and stir gently The tempera ture probe should be close to the pH electrode If necessary press the keys to select a different buffer value ...

Страница 16: ...lue The tag will blink on the LCD until the reading is stable When the reading is stable and within range of the selected buffer the CFM functional key is displayed Press CFM to confirm calibration The calibrated value and the fourth expected value will be displayed After the third calibration point is confirmed immerse the pH electrode and the temperature probe approximately 4 cm 1 into the fourt...

Страница 17: ...de and the temperature probe approximately 4 cm 1 into the fifth buffer solution and stir gently The temperature probe should be close to the pH electrode If necessary press the keys to select a different buffer value The tag will blink on the LCD until the reading is stable When the reading is stable and within range of the selected buffer the CFM functional key is displayed Press CFM to confirm ...

Страница 18: ... correction is performed keeping unchanged the existing slopes Proceed as described in FIVE POINT CALIBRATION section Press CAL or ESC after the first calibration point was confirmed The instruments will memorize the one point calibration data and will return to measurement mode Notes Press MTC or MODE key to toggle between pH buffer selection and the temperature reading during calibration while t...

Страница 19: ...an the lowest accepted value 80 of default slope The evaluated slope is more than the highest accepted value 110 of default slope Wrong old slope An inconsistency between new and previous old calibration is detected Clear old calibration parameters and proceed with the calibration from the current point The instrument will keep all confirmed values during current calibration Note For one point cal...

Страница 20: ...be replaced Press CAL or ESC to leave replace mode In this case the buffer will not be memorized Note The replaced buffer is not removed from calibration list and it can be selected for the next calibration points WORKING WITH CUSTOM BUFFERS If at least one custom buffer was set in SETUP menu it can be selected for calibration by pressing the keys The Custom functional key will be displayed Press ...

Страница 21: ...ar old calibrations All old calibrations are cleared and the instrument continues calibration The points confirmed in current calibration are kept Note If Clear calibration is invoked during the first calibration point the instrument returns to measurement mode ELECTRODE CONDITION The display is provided with an icon and a numeric value unless the feature is disabled which gives an indication of t...

Страница 22: ...When this comparison indicates a significant difference the Clean Electrode warning message is displayed to advise the user that the pH electrode may need to be cleaned see ELECTRODE CONDITIONING AND MAINTENANCE section for details page 56 After cleaning perform a new calibration Note If the calibration data are cleared the comparison is done with the default values ...

Страница 23: ...4 00 6 88 7 03 9 22 10 06 12 62 25 77 1 68 4 01 6 86 7 01 9 18 10 01 12 45 30 86 1 68 4 02 6 85 7 00 9 14 9 96 12 29 35 95 1 69 4 03 6 84 6 99 9 11 9 92 12 13 40 104 1 69 4 04 6 84 6 98 9 07 9 88 11 98 45 113 1 70 4 05 6 83 6 98 9 04 9 85 11 83 50 122 1 71 4 06 6 83 6 98 9 01 9 82 11 70 55 131 1 72 4 08 6 84 6 98 8 99 9 79 11 57 60 140 1 72 4 09 6 84 6 98 8 97 9 77 11 44 65 149 1 73 4 11 6 84 6 99...

Страница 24: ...ing is stable in mV range and the Relative mV offset is inside the offset window 2000 mV CFM functional key is displayed Press CFM to confirm relative mV calibration The instrument will return to measurement mode If the absolute mV reading is out of range or the Relative mV offset is out of the offset window Wrong relative offset message is displayed Change the input value or the Relative mV value...

Страница 25: ...TUP menu or select the proper Ion Charge see SETUP for details page 31 Note If ISE probe is not calibrated in at least one point the will be displayed Pour small volumetrically measured 50 mL of calibration standard solutions and transfer into clean beakers If possible use plastic beakers to minimize any EMC interferences For accurate calibration and to minimize cross contamination use two beakers...

Страница 26: ...tely 4 cm 1 into the second calibration solution If necessary press the keys to select a different standard value The tag will blink on the LCD until the reading is stable When the reading is stable and within range of the selected standard the CFM functional key is displayed Press CFM to confirm calibration The calibrated value and the third expected standard value will be displayed After the sec...

Страница 27: ...mately 4 cm 1 into the fifth calibration solution If necessary press the keys to select a different standard value The tag will blink on the LCD until the reading is stable When the reading is stable and within range of the selected standard the CFM functional key is displayed Press CFM to confirm calibration The instrument stores the calibration value and returns to normal measurement mode Note T...

Страница 28: ...meters and proceed calibration from the current point The instrument will keep all confirmed values during current calibration The instrument will display on the primary LCD if is not calibrated or after all calibrations are cleared If Clear is pressed during the first calibration point the instrument returns to measurement mode Notes Press T functional key or MODE to select temperature value to b...

Страница 29: ...ays after the last calibration However if at any moment the expiration value is changed e g to 5 days then the alarm will be immediately recalculated and appear 5 days after the last calibration Notes When the instrument is not calibrated or calibration is cleared default values loaded there is no Expired Calibration and the display always shows the CAL DUE tags blinking When an abnormal condition...

Страница 30: ...ion data is stored automatically after a successful calibration To view the ISE calibration data press GLP while in ISE measurement mode The instrument will display the ISE calibration information calibration date time slope calibration status and electrode type Notes Press GLP or ESC at any moment and the instrument will return to measurement mode If calibration has not been performed the instrum...

Страница 31: ... 5 10 30 min 1 Auto power off Time after the instrument is powered OFF Disabled 5 10 30 60 min 30 Date Time 01 01 2006 to 12 31 2099 00 00 to 23 59 current date time Time Format AM PM or 24 hours 24 hours Date Format DD MM YYYY MM DD YYYY YYYY MM DD YYYY MM DD Mon DD YYYY DD Mon YYYY YYYY Mon DD YYYY MM DD Language Message display language Up to four languages English Temperature unit C or F C Bee...

Страница 32: ...int mode pH Management of 1 point calibration Replace or offset Replace Custom buffer pH Custom buffer setting Max 5 buffers No View calibration points pH Display calibration points Enable or disabled Enable Display out of Cal Range Warning Enable or disabled Enable ISE probe HI98191 only Type of ISE probe Custom or Standard 17 Fluoride ISE unit HI98191 only User ppt g L ppm mg L ppb µg L mg mL M ...

Страница 33: ... Backlight Press Modify Use keys to change the intensity then press Accept to confirm Press ESC to leave without changing Contrast Highlight Contrast Press Modify Use keys to change contrast then press Accept to confirm Press ESC to leave without changing ...

Страница 34: ...ighlight Auto Light Off Press 5 10 or 30 to change settings Auto Power Off Highlight Auto Power Off Press Modify Press keys to select interval then press Accept Press ESC to leave without changing Date Time Highlight Date Time ...

Страница 35: ...ess Accept to confirm new setting or ESC to leave without changing Time Format Highlight Time Format Press displayed functional key to change the option Date Format Highlight Date Format Press Modify Use keys to select date format then press Accept Press ESC to leave without changing ...

Страница 36: ...ll messages are displayed in English and Help is not available Temperature Unit Highlight Temperature Unit Press the displayed functional key in order to change the temperature unit Beep On Highlight Beep On Press the displayed functional key to enable disable beep When enabled beep sounds as a short beep every time a key is pressed or when the calibration can be confirmed A long beep alert that t...

Страница 37: ...ent ID Press Modify Use keys to change the instrument ID Press Accept to confirm or ESC to exit without saving Baud Rate Highlight Baud Rate Press Modify Use keys to select the desired communication baud Press Accept to confirm or ESC to exit ...

Страница 38: ...e displayed firmware version language version mV and temperature factory calibration time date battery capacity RANGE SPECIFIC PARAMETERS SCREENS Calibration Timeout Highlight Calibration Timeout Press Modify Use keys to set desired value Press Accept to confirm or ESC to return without saving ...

Страница 39: ...unctional key in order to change the option First point mode refers to the behavior of the instrument regarding One point calibration If Offset is set after one point calibration the instrument evaluate the offset and keep unchanged the slopes Custom Buffers Highlight Custom Buffers Press Modify Press Delete to delete focused buffer Press Add to add a new buffer to the list max 5 ...

Страница 40: ...ess the displayed functional key to change option If option is enabled the calibration buffers corresponding to the last calibration are displayed in the pH measurement screen Out of Calibration Range Warning Highlight Out of Cal Range Warning Press the displayed functional key in order to change option If enabled the Out Cal Range message will be displayed if the pH reading is not within the cali...

Страница 41: ...ndard probes list If Custom is pressed Use keys to highlight the parameter to be changed Change Slope or Molar Weight Highlight Change Slope Use keys in order to select the desired combination If None 59 16 is selected the slope of the probe can be changed by pressing Modify key Press Modify Use keys to change the slope Press Accept to confirm or ESC to exit ...

Страница 42: ...nge molar weight Use keys to change the value Press Accept to confirm or ESC to exit If Standard was pressed Use keys to highlight the desired electrode Press Accept to confirm setting or ESC to exit Press View to see probe parameters ISE Unit Highlight ISE Unit ...

Страница 43: ...confirm selection or ESC to exit Note If the unit is changed or User is selected a warning message will be displayed to alert that the ISE range must be calibrated If a new probe was selected or custom probe parameter are changed the ISE range must be calibrated ...

Страница 44: ...r and the amount of the free log space If the LOG space is full the Log space is full message will be displayed for few seconds when Log key is invoked Enter View Logged Data Mode and delete records in order to free log space VIEW LOGGED DATA Press RCL to retrieve the information stored while in measurement mode for the specific range The list of records is displayed If no data were logged the ins...

Страница 45: ...lete All is pressed the instrument asks for confirmation Press CFM to confirm or ESC to exit without deleting To freeze the first stable reading on the LCD press AutoEnd while the instrument is in measurement mode The Wait symbol will blink until the reading is stable When the reading is stable Hold icon will be displayed Press Continue in order to enter continuous reading mode AUTOEND ...

Страница 46: ...the temperature calibration mode TEMPERATURE CALIBRATION Prepare a vessel containing ice and water and another one containing hot waterm at approximately 50 C or 122 F Place insulation material around the vessels to minimize tem perature changes Use a calibrated thermometer with a resolution of 0 1 C as a reference thermometer Connect the temperature probe to the appropriate socket Immerse the tem...

Страница 47: ... The instrument returns to measurement mode Note Use keys to change calibration point if necessary 10 0 C around the point If the reading is not within range of the selected calibration point Wrong message will blink Change the temperature probe and restart calibration mV CALIBRATION A two point calibration can be performed at 0 mV and 1800 mV Attach to the BNC connector a mV simulator with an acc...

Страница 48: ...s displayed Press CFM to confirm The instrument returns to calibration screen Press ESC to return to measurement mode Notes If the reading is not within range of the selected calibration point WRONG tag will blink Verify calibration condition or contact your vendor if you cannot calibrate Press CAL or ESC in any moment of the calibration process The instrument will return in the measurement mode ...

Страница 49: ...erminal program Use an USB cable to connect the instrument to a PC start the terminal program and set the communication options as follows 8 N 1 no flow control COMMAND TYPES To send a command to the instrument follow the next scheme command prefix command CR where command prefix is the 16 ASCII character command is the command code Note Either small or capital letters can be used SIMPLE COMMANDS ...

Страница 50: ...ecognized command CAN is 24 ASCII code character corrupted command COMMANDS REQUIRING AN ANSWER The instrument will answer for these commands with STX answer checksum ETX where the checksum is the bytes sum of the answer string sent as 2 ASCII characters All the answer messages are with ASCII characters RAS Causes the instrument to send a complete set of readings in according with the current rang...

Страница 51: ... in C MDR Requests the instrument model name and firmware code 16 ASCII chars GLP Requests the calibration data record The answer string contains GLP status 1 char represents a 4 bit hexadecimal encoding 0x01 pH calibration available 0x02 Rel mV calibration available 0x04 ISE calibration available pH calibration data if available which contains the number of calibrated buffers 1 char the ion charg...

Страница 52: ...ng standard value with sign and decimal point and exponent 11 chars calibration time yymmddhhmmss 12 chars PAR Requests the setup parameters setting The answer string contains Instrument ID 4 chars Calibration Alarm time out for pH 2 chars Calibration Alarm timeout for ISE 2 chars if ISE available SETUP information 2 chars 8 bit hexadecimal encoding 0x01 beep ON else OFF 0x04 degrees Celsius else ...

Страница 53: ... answer string for each record contains The logged mode 2 chars 00 pH range 0 001 resolution 01 pH range 0 01 resolution 02 pH range 0 1 resolution 03 mV range 04 Rel mV range 05 ISE range Reading status 1 char R O U Calculated reading with sign and decimal point and exponent 11 chars for pH Rel mV and ISE range Temperature reading with sign and two decimal points 7 chars mV reading status 1 char ...

Страница 54: ...attery compartment by removing the four screws from the back of the instrument Remove the old batteries Insert four new 1 5V AA batteries in the battery compartment while paying attention to the correct polarity Close the battery compartment using the four screws If the battery capacity is less than 20 the serial communication and the backlight feature are not available BATTERIES REPLACEMENT Note ...

Страница 55: ...dity environments short circuits and static discharges are detrimental to a stable pH reading The pH electrode s life also depends on the temperature If constantly used at high temperatures the electrode life is drastically reduced Typical Electrode Life Ambient Temperature 1 3 years 90 C 194 F Less than 4 months 120 C 248 F Less than 1 month Alkaline Error High concentrations of sodium ions inter...

Страница 56: ...ion properly under these conditions These bubbles can be removed by shaking down the electrode as you would do with a glass thermometer If the bulb and or junction are dry soak the electrode in HI70300 Storage Solution for at least one hour For refillable electrodes If the filling solution electrolyte is more than 21 2 cm 1 below the fill hole add HI7082 or HI8082 3 5M KCl Electrolyte Solution for...

Страница 57: ...r single junction and HI7082 or HI8082 for double junction electrodes Follow the Preparation Procedure on page 56 before taking mea surements Note NEVER STORE THE ELECTRODE IN DISTILLED OR DEIONIZED WATER PERIODIC MAINTENANCE Inspect the electrode and the cable The cable used for connection to the instrument must be intact and there must be no points of broken insulation on the cable or cracks on ...

Страница 58: ...es Display shows symbol in front of temperature reading Out of order or missing tempera ture probe Replace temperature probe or check the connection Display shows Clean electrode blinking Difference between new and previous calibration has been detected Clean electrode and recalibrate If the problem remains check the buffer solutions Meter does not work with temperature probe Broken temperature pr...

Страница 59: ...c To avoid damage or burns do not perform any measurement in mi crowave ovens TheHI98190andHI98191arewarrantedfortwoyearsagainstdefectsinworkman shipandmaterialswhenusedfor their intended purpose and maintained according to instructions Electrodes and probes are warranted for six months This warranty is limited to repair or replacement free of charge Damage due to accidents misuse tampering or lac...

Страница 60: ...Hanna 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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