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GOOD LABORA

TORY PRACTICE (GLP)

10. GOOD LABORATORY PRACTICE (GLP)

GLP is a set of functions that allows storage and retrieval of data regarding the maintenance and
status of the electrode.
All data regarding the pH calibration is stored for the user to review when necessary.

10.1. LAST pH CALIBRATION DATA

The last pH calibration data is stored automatically after a successful calibration.
To view the pH calibration data, press

GLP

when the instrument is in the measurement mode.

The instrument will display a lot of data including calibration buffer, offset, slope, electrode condition.

Note:

Highlighted buffers are from previous calibrations. The custom buffers are marked with

an “*” on the right side of the buffer value. “No user calibration” message is displayed if all

calibrations are cleared or the instrument was not calibrated.

10.2. EXPIRED CALIBRATION

The instrument is provided with a real time clock

(RTC)

, in order to monitor the time elapsed since

the last pH calibration.
The calibration timeout is reset every time the instrument is calibrated. The "Expired Calibration"
message will be displayed in the GLP screen and "CAL DUE" tags will blink on the measurement screen
after the set time has elapsed, to warn the user that the instrument should be recalibrated.
If the meter is not calibrated or the calibration has been reset to default values, only the "CAL DUE"
tags will blink.

Note:

If an abnormal condition is detected in the RTC, the instrument forces the "Expired

Calibration" status.

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Содержание HI98169

Страница 1: ...INSTRUCTION MANUAL HI98169 Professional pH Meter for Wine ...

Страница 2: ...oosing a Hanna Instruments product Please read this instruction manual carefully before using this meter This manual will provide you with the necessary information for correct use of this meter 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 contact list at www hannainst com Dear Customer ...

Страница 3: ... RANGE 11 5 5 CONTEXTUAL HELP 11 5 6 BACKLIGHT FEATURE 11 6 TROUBLESHOOTING GUIDE 12 7 SETUP 13 7 1 GENERAL SETUP 13 7 2 pH MEASUREMENT SETUP 16 8 LOGGING 18 8 1 LOGGING THE CURRENT DATA 18 8 2 DATA MANAGEMENT 18 8 3 AUTOEND 19 9 PC INTERFACE 20 9 1 HANNA PC SOFTWARE 20 9 2 TERMINAL PROGRAMS 20 10 GOOD LABORATORY PRACTICE GLP 24 10 1 LAST pH CALIBRATION DATA 24 10 2 EXPIRED CALIBRATION 24 11 ELECT...

Страница 4: ...EASUREMENTS 31 13 mV 32 13 1 mV MEASUREMENT 32 13 2 RELATIVE mV CALIBRATION 32 13 3 RELATIVE mV MODE 32 13 4 mV MEASUREMENT MESSAGES WARNINGS 33 14 mV TEMPERATURE CALIBRATION for technical personnel only 34 14 1 TEMPERATURE CALIBRATION 34 14 2 mV CALIBRATION 35 15 ACCESSORIES 36 CERTIFICATION 38 RECOMMENDATIONS FOR USERS 38 WARRANTY 38 ...

Страница 5: ... and DIN connector with 1 m 3 3 cable pH 3 00 Buffer solution 2 sachets pH 7 01 Buffer solution 2 sachets HI700635 Cleaning solution for wine deposits 1 sachet HI700636 Cleaning solution for wine stains 1 sachet 100 mL Plastic beaker 2 pcs 1 5V AA Batteries 4 pcs HI920015 Micro USB cable HI720169 Rugged carrying case Winemakers guidebook Instrument quality certificate Instruction manual Note Save ...

Страница 6: ...ent sensitive help is available at the touch of a button Micro USB port for easy data transfer to USB storage device PC or other compatible device Additional features Available log space for up to 200 samples Auto hold feature to freeze first stable reading on the LCD GLP feature to view pH last calibration data Electrode description FC10483 is a specially designed pH electrode intended for the di...

Страница 7: ...bration From 80 to 110 Temperature compensation Automatic pH Electrode FC10483 preamplified pH temperature probe with glass body DIN connector and 1 m 3 3 cable LOG On demand 200 samples 100 pH and 100 mV Input impedance 1012 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 10 30 60 minutes or ...

Страница 8: ...et value 4 Press to turn the instrument ON and OFF 5 Press to turn the backlight ON and OFF 6 Press to view the GLP Good Laboratory Practice for the selected measurement mode 7 Press to enter exit calibration mode 8 Press to enter exit the setup screen 9 Press to enter exit review logged data 10 PresstochangethepHresolutionor wheninmVmode tochangebetweenmVandRelmV 11 Press to toggle between pH and...

Страница 9: ...9 9 FUNCTIONAL DESCRIPTION 4 2 TOP VIEW 14 Electrode DIN connector 15 Micro USB type connector ...

Страница 10: ...rt 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 Note If the battery capacity is less than 20 the serial communication and the backlight feature are not available The instrument is equipped with the BEPS Battery Error Prevention System feature which automatically turns the instrument off when...

Страница 11: ...nge the measurement resolution Press the RANGE key while in measurement mode to cycle between pH and mV 5 5 CONTEXTUAL HELP HI98169 offers an interactive contextual help mode that assists the user at any time To access the help screen press HELP key The instrument will display additional information related to the current screen To read all the available information scroll the text using the keys ...

Страница 12: ... sample is within measurable 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 or contaminated buffer ...

Страница 13: ...lt option 4 Press Modify to enter backlight intensity setup screen Use functional keys or the keys to increase or decrease the intensity Press Accept to confirm or press ESC key to leave without saving Contrast Option 0 to 20 default option 10 Press Modify to enter contrast level setup screen Use functional keys or the keys to increase or decrease the contrast Press Accept to confirm or press ESC ...

Страница 14: ...ional keys to highlight the value to be modified year month day hour minute or second Use keys to change the value Press Accept to confirm new setting or ESC key to leave without saving Time Format Option AM PM or 24 hours default option 24 hours Press the functional key to change to desired time format Date Format Option DD MM YYYY MM DD YYYY YYYY MM DD YYYY MM DD Mon DD YYYY DD Mon YYYY YYYY Mon...

Страница 15: ...Press the functional key to enable disable the beeper Instrument ID Option 0000 to 9999 default option 0000 This option is used to set the instrument s ID identification number Press Modify to enter instrument ID setup screen Use the keys to change the instrument ID Press Accept to confirm or press ESC key to leave without saving Baud Rate Option 600 1200 2400 4800 9600 default option 9600 Press M...

Страница 16: ...creen Use the keys to select the desired option Press Accept to confirm or press ESC key to leave without saving Note If enabled CAL DUE warning will be displayed after the selected time has elapsed First Point Mode Option Replace or Offset default option Replace Press the functional key to change to desired option If Replace is selected and a one point calibration is done the new buffer will repl...

Страница 17: ...elected custom buffer from the list Press Add to add buffer to the list maximum five View Calibration Points Option Enabled or Disabled default option Enabled Press the functional key to change to desired option If enabled the buffers used in the last calibration are displayed on the pH measurement screen Out of Calibration Range Option Enabled or Disabled default option Enabled Press the function...

Страница 18: ...space is full the Log space is full message will be displayed for few seconds when Log functional key is invoked Enter View Logged Data Mode and delete records in order to free log space 8 2 DATA MANAGEMENT You can view export delete data by pressing RCL key Use the keys to scroll between stored data points To delete all of the data points press Delete All To delete the selected data point press D...

Страница 19: ...e the first stable reading in measurement mode press AutoEnd The hourglass symbol appears with Wait blinking until a stable reading is obtained Once the reading is stable Hold is displayed Press Continue to enter continuous reading mode ...

Страница 20: ... remotely control the instrument with any terminal program Use an USB cable to connect the instrument to a PC start the terminal program and set the communication options as 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 l...

Страница 21: ...er 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 pH range The answer string contains Meter mode 2 chars 00 pH range 0 001 resolution 01 pH range 0 01 resolution 02 pH range 0 1 resolution 03 mV range Meter status 2 chars of status byte...

Страница 22: ...er type 1 char 0 standard 1 custom status 1 char N new calibrated in last calibration O old from an old calibration warnings during calibration 2 chars 00 no warning 04 Clean Electrode warning buffer value with sign and decimal point and exponent 11 chars calibration time yymmddhhmmss 12 chars electrode condition with sign 3 chars The 01 code means not calculated PAR Requests the setup parameters ...

Страница 23: ...nent 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 decimal point 7 chars Temperature probe presence 1 char Notes Err8 is sent if the instrument is not in ...

Страница 24: ...The custom buffers are marked with an on the right side of the buffer value No user calibration message is displayed if all calibrations are cleared or the instrument was not calibrated 10 2 EXPIRED CALIBRATION The instrument is provided with a real time clock RTC in order to monitor the time elapsed since the last pH calibration The calibration timeout is reset every time the instrument is calibr...

Страница 25: ...s normal Rinse the electrode with water 2 Shake the electrode down as you would do with a clinical thermometer to eliminate any air bubbles inside the glass bulb 3 Remove the fill hole cover to ensure the reference junctions are flowing Set aside for storage 4 Top off the electrolyte filling solution using Hanna HI7082 Electrolyte solution 5 If the glass bulb and or junction are dry soak the elect...

Страница 26: ...e Note Never store the electrode in distilled or deionized water 11 3 PERIODIC MAINTENANCE 1 Inspect the electrode for any scratches or cracks If any are present replace the electrode 2 Inspect the cable The connection cable and insulation must be intact 3 Connectors should be clean and dry 4 Rinse off any salt deposits with water 5 Follow the storage procedure above 11 4 pH CLEANING PROCEDURE 1 S...

Страница 27: ...are in a 0 2 pH window around one of the calibrated buffers Clear Calibration To clear the previous calibrations press the CAL key then press Clear All of the old calibration data is cleared and the calibration continues If the calibration is cleared before confirming the first calibration point the instrument returns to the measurement mode Custom Buffers Custom buffers are set to the value at 25...

Страница 28: ...mize cross contamination use two beakers for each buffer solution one for rinsing the electrode and one for calibration 2 Press the CAL key The instrument will display the measured pH the first expected buffer and the temperature reading 3 If necessary use the keys to select a different buffer value The tag will blink on the LCD until the reading is stable After the reading has stabilized and is w...

Страница 29: ...te The electrode condition is evaluated only if current calibration includes at least two standard buffers 12 2 pH MEASUREMENT To take a pH measurement remove the electrode protective cap and immerse the tip of the electrode 4 cm 1 into the sample to be tested PressRANGEkeytochoosebetweenpHandmVrangesanduseMODEkeytoselectthepHresolution The hourglass symbol will turn off when the reading is stable...

Страница 30: ...other buffer using the keys or use fresh buffer solution Electrode Dirty Broken alternatively with Buffer Contaminated The offset of the electrode is not within the accepted range Check if the electrode is broken If it is not broken clean the electrode by following the cleaning procedure see ELECTRODE MAINTENANCE section for details Use fresh buffer solution or select a different buffer Wrong Slop...

Страница 31: ...his case the buffer will not be stored Note The replaced buffer is not removed from calibration list and can be selected for the next calibration points Clean Electrode Each time pH calibration is performed the instrument compares the new calibration with the previously stored one When a significant difference is seen the Clean Electrode warning message is displayed to advise the user that the pH ...

Страница 32: ...t to change the displayed relative mV value 3 After the reading has stabilized 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 13 3 RELATIVE mV MODE To enter relative mV mode press MODE while in mV measurement mode The Relative mV reading will be displayed alon...

Страница 33: ...REMENT MESSAGES WARNINGS Wrong Relative Offset The absolute mV reading is out of range or the relative mV offset is out of the offset window Change the input value or the relative mV value to complete the calibration process ...

Страница 34: ...ATION Prepare two vessels one with ice and water and the second with hot water at approximately 50 C or 122 F Insulate the vessels to minimize temperature changes ImmersethepHprobeandareferencethermometerwith0 1 Cresolutionintothevesselcontaining ice and water The pH probe and the reference thermometer should be as close as possible Allow a few seconds for the probe to stabilize Use the keys to se...

Страница 35: ...rformed at 0 mV and 1800 mV 1 Attach a mV simulator with 0 1 mV to the pH connector 2 Set the simulator to 0 0 mV 3 Wait a few seconds for the probe to stabilize 4 After the reading has stabilized and is within the range of the calibration point press CFM to update the calibration point 5 Set the simulator to 1800 0 mV 6 Wait a few seconds for the probe to stabilize 7 After the reading has stabili...

Страница 36: ...L sachet 25 pcs HI7061L General purpose cleaning solution 500 mL HI8061L General purpose cleaning solution FDA approved bottle 500 mL pH Calibration Solution Code Description HI50003 02 pH 3 00 buffer solution 20 mL sachet 25 pcs HI50007 01 pH 7 01 buffer solution 20 mL sachet 10 pcs HI50007 02 pH 7 01 buffer solution 20 mL sachet 25 pcs HI50010 01 pH 10 01 buffer solution 20 mL sachet 10 pcs HI50...

Страница 37: ...tion in FDA approved bottle 500 mL Electrode Storage Solution Code Description HI70300L Storage solution 500 mL HI80300L Storage solution in FDA approved bottle 500 mL Other Accessories Code Description FC10483 Preamplified pH temperature probe with glass body and DIN connector with 1 m 3 3 cable HI7082L pH electrolyte solution for double junction electrodes 500 mL HI920015 USB type A to micro USB...

Страница 38: ...ironment 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 WARRANTY The HI98169 is warranted for two years against defects in workmanship and materials when used for its intended purpose and maintained according to instructions This warranty ...

Страница 39: ...Hanna Instruments reserves the right to modify the design construction or appearance of its products without advance notice ...

Страница 40: ...World Headquarters Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com MAN98169 Printed in ROMANIA ...

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