Hanna Instruments HI98161 Скачать руководство пользователя страница 15 | Manualshive

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15

pH CALIBRA

TION

• Press

CFM

to confirm calibration.

• The calibrated value and the fifth expected buffer will be displayed.
• After the fourth calibration point is confirmed, immerse the pH electrode approximately

4 cm (1½”) into the fifth buffer solution and stir gently.

•  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 calibration.

• The instrument stores the calibration values and returns to normal measurement mode.

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Содержание HI98161

Страница 1: ...INSTRUCTION MANUAL HI98161 Professional pH and Temperature Meter for Food Products ...

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: ...PERATURE DEPENDENCE GOOD LABORATORY PRACTICE GLP SETUP LOGGING AUTOEND TEMPERATURE CALIBRATION FOR TECHNICAL PERSONNEL ONLY PC INTERFACE BATTERIES REPLACEMENT TEMPERATURE CORRELATION FOR pH SENSITIVE GLASS ELECTRODE CONDITIONING AND MAINTENANCE TROUBLESHOOTING GUIDE ACCESSORIES TABLE OF CONTENTS 4 4 6 9 21 23 34 38 43 5 8 11 22 33 36 42 44 47 48 ...

Страница 4: ... Certificate PRELIMINARY EXAMINATION Note Save all packing material until you are sure that the instrument functions correctly All defective items must be returned in the original packing with the supplied accessories SAFETY MEASURES Before using this product make sure that it is entirely suitable for your specific application and for the environment in which it is used Operation of this instrumen...

Страница 5: ...ibration points see instrument specifications Custom calibration with up to five custom buffers Messages on the graphic LCD for an easy and accurate calibration Cal Check Diagnostic features to alert the user when the electrode needs cleaning Optional user enabled Outside Calibration Range warning Monitoring of the electrode aging User selectable Calibration Time Out to remind when a new calibrati...

Страница 6: ...e display backlighting 6 GLP key to display Good 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 11 RANGE key to switch between pH and mV range 12 HELP key to enter exit contextual help 13 ESC to leave current mode exit calibration setup help etc FRONT VIE...

Страница 7: ...7 14 Electrode quick connect DIN connector 15 USB connector TOP VIEW FUNCTIONAL DESCRIPTION ...

Страница 8: ...ffers available 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 Automatic pH Electrode FC2023 pH temperature LOG On demand 200 samples 100 pH and 100 mV Input Impedance 10 Ω Battery Type Life 1 5V AA batteries 4 pcs approx 200 hours of continuous use without backlight 50 hours with backlight Auto Power Off User selectable 5 ...

Страница 9: ...rode and store it with a few drops of HI70300 storage solution in the protective cap see page 45 The Auto Power Off feature turns the instrument off after a set period default 30 min with no button pressed to save battery life To set another period or to disable this feature see SETUP menu on page 23 The Auto Light Off backlight feature turns the backlight off after a set period default 1 min with...

Страница 10: ...tly affected by temperature For accurate pH measurements temperature must be taken into 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 On the pH screen are displayed TEMPERATURE MEASUREMENTS For HI98161 the temperature sensor is connected through DIN socket Note The temperature can be dis...

Страница 11: ...uffer is selected during calibration the Custom functional key is displayed on the LCD Press Custom key in order to enter custom buffer 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 with buffers that bra...

Страница 12: ...til the reading is stable When the reading is stable and within range of the selected buffer CFM functional key is displayed FIVE POINT CALIBRATION Immerse the pH electrode approximately 4 cm 1 into a buffer solution of your choice pH 1 68 4 01 6 86 7 01 9 18 10 01 12 45 or a custom buffer and stir gently Press CFM to confirm first point The calibrated value and the second expected buffer value is...

Страница 13: ...fer 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 calibration The calibrated value and the third expected buffer value will be displayed After the second calibration point is confirmed immerse the pH electrode approximately 4 cm 1 into the third buffer solut...

Страница 14: ...o confirm calibration The calibrated value and the fourth expected value will be displayed After the third calibration point is confirmed immerse the pH electrode approximately 4 cm 1 into the fourth buffer solution and stir gently 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 ...

Страница 15: ...mately 4 cm 1 into the fifth buffer solution and stir gently 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 calibration The instrument stores the calibration values and returns to normal measurement mod...

Страница 16: ...urrent buffer and nearest lower and higher buffers will be recalculated If the Offset option is selected an electrode offset correction is performed keeping unchanged the existing slopes ERROR SCREENS Wrong buffer The calibration cannot be confirmed The pH reading is not within range of the selected buffer Select another buffer using the keys or change the buffer pH CALIBRATION Electrode Dirty Bro...

Страница 17: ...sistency 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 calibration the electrode condition is not displayed in the measurement screen Each time a buffer is confirmed the new calibration parameters replace the old...

Страница 18: ...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 19: ...djust mode Use keys to change the buffer value Press Accept to accept new value or ESC to exit adjusting mode CLEAR CALIBRATION Press Clear functional key when displayed to clear 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 i...

Страница 20: ...CTRODE CONDITIONING AND MAINTENANCE section for details page 44 After cleaning perform a new calibration Note If the calibration data are cleared the comparison is done with the default values ELECTRODE CONDITION The display is provided with an icon and a numeric value unless the feature is disabled which gives an indication of the electrode status after calibration The condition remains active un...

Страница 21: ...0 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 8 ...

Страница 22: ... 4 days 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 condi...

Страница 23: ...he instrument is powered OFF Disabled 5 10 30 60 min 30 Date Time 01 01 2000 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 Beep ON Beeper Status Enabled or Disabled Dis...

Страница 24: ...ys after Calibration warning is displayed Disable 1 to 7 days Disable First point mode Management of 1 point calibration Replace or offset Replace Custom buffer Custom buffer setting Max 5 buffers No View calibration points Display calibration points Enable or disabled Enable Display Out of Cal Range Warning Enable or disabled Enable ...

Страница 25: ... 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 26: ...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 27: ...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 28: ...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 29: ...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 30: ...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 31: ...functional key in order to change the option If the Replace option is selected the slopes between current buffer and nearest lower and higher buffers will be recalculated If the Offset option is selected an electrode offset correction is performed keeping unchanged the existing slopes Custom Buffers Highlight Custom Buffers Press Modify Press Delete to delete custom buffer value ...

Страница 32: ...alue or ESC to exit without saving View Calibration Points Highlight View Calibration Points Press 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 Press Add to add a new buffer to the list max 5 ...

Страница 33: ...der to change option If enabled the Out Cal Range message will be displayed if the pH reading is outside Approxi mately 1 pH unit from the lowest and highest pH buffer value used for calibration For single point pH 7 01 calibration the message will be displayed for pH values less than 4 or greater than 10 SETUP ...

Страница 34: ...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 The list of records is displayed If no data were logged the instrument will display No Recor...

Страница 35: ...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 36: ...ure calibration mode TEMPERATURE CALIBRATION Prepare a vessel containing ice and water and another one containing hot water at approximately 50 C or 122 F Place insulation material around the vessels to minimize temperature changes Use a calibrated thermometer with a resolution of 0 1 C as a reference thermometer Immerse the pH probe including temperature sensor into the vessel with ice and water ...

Страница 37: ...ze Use the keys to set the calibration point value to that of the hot water When the reading is stable and within range of the selected calibration point CFM functional key is displayed Press CFM to confirm 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 Wr...

Страница 38: ...that your instrument is switched off and plug one connector to the instrument USB socket and the other to the serial or USB port of your PC Note If you are not using Hanna Instruments HI92000 software please see the following instructions SENDING COMMANDS FROM PC It is also possible to remotely control the instrument with any terminal program Use an USB cable to connect the instrument to a PC star...

Страница 39: ... 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 range pH temperature and mV reading on pH range The answer string cont...

Страница 40: ... chars with sign and two decimal points always 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 pH calibration data if available which contains the number of calibrated buffers 1 char the offset with sign and decimal...

Страница 41: ...lution 03 mV range Reading status 1 char R O U Calculated reading with sign and decimal point and exponent 11 chars for pH Temperature reading with sign and two decimal points 7 chars mV reading status 1 char R O U The mV reading with sign and decimal point 7 chars The logged time yymmddhhmmss 12 chars The calibration slope with sign and decimal point 7 chars The calibration offset with sign and d...

Страница 42: ... 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 The instrument is provided with the BEPS Battery Error Prevention System feature which automatically turns the instrument off when the batteries level i...

Страница 43: ...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 interfere ...

Страница 44: ...e glass bulb The electrode cannot function 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 2 cm 1 below the fill hole add HI7082 or HI80...

Страница 45: ...king measurements 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 the electrode stem or bulb Connectors must be perfectly clean and dry If any scratches or cracks are present replace the ele...

Страница 46: ... Alkaline Cleaning Solution for Meat Grease and Fats HI70631 Cleaning Solution for Milk Deposits HI70640 2 Soak the electrode for several minutes 5 15 while moderately stirring the solution 3 Remove the electrode from the cleaning solution and rinse it thoroughly with deionized water to remove all traces of the cleaning solution 4 After cleaning and rinsing it is preferable to store it in an elect...

Страница 47: ...t of range Check that sample is within measur able range 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 fails to calibrate or gives faulty readings Broken pH electrode Replace electrode Error messages are displayed during pH calibration procedure Wrong o...

Страница 48: ...bottle HI7073L Protein Cleaning Solution 500 mL bottle HI7074L Inorganic Cleaning Solution 500 mL bottle HI7077L Oil and Fat Cleaning Solution 500 mL bottle HI8061L General Purpose Cleaning Solution FDA approved bottle 500 mL HI8073L Protein Cleaning Solution FDA approved bottle 500 mL HI8077L Oil and Fat Cleaning Solution FDA approved bottle 500 mL HI70630L Acid cleaning solution for meat grease ...

Страница 49: ... 86 Buffer Solution 500 mL bottle HI5007 pH 7 01 Buffer Solution 500 mL bottle HI5091 pH 9 18 Buffer Solution 500 mL bottle HI5010 pH 10 01 Buffer Solution 500 mL bottle HI5124 pH 12 45 Buffer Solution 500 mL bottle HI8004L pH 4 01 Buffer Solution in FDA approved bottle 500 mL HI8006L pH 6 86 Buffer Solution in FDA approved bottle 500 mL HI8007L pH 7 01 Buffer Solution in FDA approved bottle 500 m...

Страница 50: ...ssories Code Description FC2023 PVDF body pH probe with internal temperature sensor HI92000 PC Software HI920015 USB Cable HI740157P Electrode refilling pipette HI720161 Hard carrying case ACCESSORIES MAN98161 08 17 ...

Страница 51: ...isuse tampering or lack of prescribed maintenance is 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 problem If the repair is not covered by the warranty you will be notified of the charges incurred If the instrument is to be returnedtoHannaInstruments firstobtain a Returne...

Страница 52: ...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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