Hanna Instruments HI 9126 Instruction Manual Download

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Instruction Manual

HI9126

Calibration Check

Waterproof

pH/mV/°C Meter

www.hannainst.com

Summary of Contents for HI 9126

Page 1: ...1 Instruction Manual HI9126 Calibration Check Waterproof pH mV C Meter www hannainst com ...

Page 2: ...on do not hesitate to e mail us at tech hannainst com or view our worldwide contact list at www hannainst com PRELIMINARY EXAMINATION 3 GENERAL DESCRIPTION 3 FUNCTIONAL DESCRIPTION 4 SPECIFICATIONS 5 OPERATIONAL GUIDE 6 pH CALIBRATION 10 pH BUFFER TEMPERATURE DEPENDENCE 15 SETUP MENU 16 mV CALIBRATION 18 TEMPERATURE CALIBRATION 18 BATTERIES REPLACEMENT 19 LCD MESSAGE GUIDE 21 TEMPERATURE CORRELATI...

Page 3: ...nitoring of the electrode aging User selectable calibration time out to remind you when a new calibration is necessary HI9126 can also measure for Oxidation Reduction Potential in the mV range with a resolution of 0 1 mV It offers an extended temperature range from 20 C 4 F to 120 C 248 F Remove the instrument from the packing material and examine it to make sure that no damage has occurred during...

Page 4: ...erature probe socket 8 BNC electrode connector 9 MR CUST BUF key to recall the stored value from memory or to enter custom buffer values during calibration 10 MEM CLR key to store the reading in memory or to clear calibra tion 11 and keys for manual temperature setting entering menu parameters or changing buffer value 12 LIGHT key toggle to switch the display backlight on and off 13 Secondary disp...

Page 5: ...custom buffers Offset Calibration 1 pH Slope Calibration From 80 to 108 Temperature Compensation Automatic from 20 0 to 120 0 C 4 0 to 248 0 F or manual without temperature probe pH Electrode HI1230B included Temperature Probe HI7662 included Input Impedance 1012 ohms Battery Type Life 3 x 1 5V AAA size batteries approx 200 hours of continuous use without backlight 50 hours with backlight Auto off...

Page 6: ...splay will show all LCD segments and then the battery percentage while the instrument performs a self check or as long as the button is held The meter will automatically enter measurement mode After measurement switch the meter off Clean the electrode and store it with a few drops of HI70300 storage solution in the protective cap To save the batteries the auto off feature turns the meter off after...

Page 7: ... by temperature In order for the meter to measure the pH accurately temperature must be compensated for If the sample temperature is different from the temperature at which the pH electrode was kept allow a few minutes for thermal equilibration To use the meter s Automatic Temperature Compensation feature sub merse the temperature probe into the sample as close to the electrode as possible and wai...

Page 8: ... enter the mV mode by pressing RANGE Submerse the ORP electrode 3 cm 11 4 into the sample to be tested and wait for the reading to stabilize Measurementswithinthe 699 9mVrangearedisplayedwith0 1mVresolution while outside this range the resolution is 1 mV The ATC or MTC key is turned off because the mV readings are not temperature compensated For accurate ORP measurements the surface of the electro...

Page 9: ...RIZED tag as long as the MR key is pressed Note MR will only display the range that was active when MEM was pressed BACKLIGHT FEATURE The meter is provided with a Backlight feature which can be easily accessed through the LIGHT key Note The backlight automatically shuts off after approximately 1 minute of nonuse ...

Page 10: ...rinsing the electrode and the second one for calibration Remove the protective cap and rinse the electrode with some of the buffer solution to be used for the first calibration point TWO POINT CALIBRATION Press the CAL key The CAL and indicators will be dis played The secondary LCD will display buffer 7 01 If a different calibration buffer is desired e g 6 86 use the ARROW keys to change the displ...

Page 11: ...s the other value for the second point same for pH 10 01 and 9 18 Immerse electrode bulb approximately 3 cm 11 4 into the second buffer solution place the temperature probe as close as possible to the electrode and stir gently The LCD will flash WAIT NOT READY for several seconds then if the reading is not close to the selected buffer WRONG and WRONG will blink alternatively if it is close to the ...

Page 12: ...hown Calibration time out is active CUSTOM BUFFER SELECTION The meter allows the user to calibrate with custom buffers To select a custom buffer press the CUST BUF key while in calibration mode Use the arrow keys to set the desired value for C1 a default of 7 00 or previously configured buffer appears Notes During calibration the secondary LCD shows the selected buffer value press RANGE to display...

Page 13: ...d when the meter detects a calibration time out The CAL tag will start blinking to warn the user that the meter should be recalibrated The calibration time out can be set see Setup menu section on page 14 from 0 function disabled to 14 days For example if a 4 days time out has been selected the meter will issue the alarm exactly 4 days after the last calibration If the expiration value is changed ...

Page 14: ...d be provided to the sensor when two or fewer dots are on the bargraph Note When an abnormal condition in the RTC is detected the condition is cleared and only the bargraph frame is shown on the display CLEAN ELECTRODE Each time pH calibration is performed the meter internally compares the new calibra tion with the one previously stored When this comparison indicates a significant difference the C...

Page 15: ...6 95 7 10 9 39 10 24 13 18 10 50 1 67 4 00 6 92 7 07 9 33 10 18 12 99 15 59 1 67 4 00 6 90 7 05 9 27 10 12 12 80 20 68 1 68 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...

Page 16: ...s and hold the SETUP key for about 5 seconds Once the menu is entered each parameter can be changed by using the arrow keys then pressing the CFM key will confirm the value and scroll to the next parameter 1 Audible signal On default or Off 2 Auto off feature 20 minutes default or disabled 3 Temperature measure unit ºC default or ºF SETUP MENU ...

Page 17: ...is enables or disables the bargraph the CLEAN ELECTRODE message and the buffer segments 5 Calibration time out 1 default to 14 days or disabled 0 days After the last parameter press the CFM key to confirm the setting and return to measurement mode ...

Page 18: ...t least once a year Contact your local Hanna Instruments Office for more information HI9126 has been precalibrated for mV range at the factory For optimum accuracy it is recommended to recalibrate the meter for mV readings at least once a year Contact your local Hanna Instruments Office for more information mV CALIBRATION TEMPERATURE CALIBRATION ...

Page 19: ... flash the battery symbol to advise the user that approximately 1 hour of working time remains It is recommended to change the batteries as soon as the battery symbol appears blinking The meter is also provided with the BEPS Battery Error Prevention System feature which automatically turns the instrument off when the battery level is too low to ensure reliable readings At start up the display will...

Page 20: ... the instrument Open the battery compartment cap located on the top of the instrument Remove old batteries Insert three new 1 5V AAA batteries in the battery compartment observing the polarity on the rear of the instrument Reattach the battery compartment cap ...

Page 21: ...mode MTC for manual ATC for automatic compensation Battery symbol blinking low battery condition Batteries should be replaced Calibration messages WAIT NOT READY blinking buffer has been recognized but reading is not stable READY on buffer has been recognized and reading is stable WRONG and WRONG blinking alternatively wrong buffer value not recognized CLEAN ELECTRODE blinking an abnormal differen...

Page 22: ...istance It takes more time forthe reading to stabilize if the resistance is higher In addition the response time will suffer to a greater degree at temperatures below 25 C Since the resistance of the pH electrode is in the range of 50 200 Mohms the current across the membrane is in the pico Ampere range Large currents can disturb the calibration of the electrode for many hours Circumstances such a...

Page 23: ...pear when rinsed with water During transport tiny bubbles of air may have formed inside the 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 Not present in gel electrodes ...

Page 24: ...tact No cracks should be seen on the electrode stem or bulb If any scratches or cracks are present replace the electrode Rinse off any salt deposits with water Connectors must be perfectly clean and dry For refillable electrodes Refill the electrode with fresh electrolyte see the electrode s specifications to select the correct refilling solution Allow the electrode to stand upright for 1 hour Fol...

Page 25: ... Display shows CLEAN ELECTRODE blinking during calibration Difference between new and previous calibration has been detected Clean electrode and recali brate If the problem remains check the buffer solutions Display shows blinking battery symbol Low battery level Replace the batteries Displays C or F with No Temperature Probe or 120 or 248 flashing Broken tempera ture probe Wrong temperature probe...

Page 26: ...inse Solution 20 mL sachet 25 pcs HI7061L General Cleaning Solution 500 mL bottle HI7061M General Cleaning Solution 230 mL bottle HI7073L Protein Cleaning Solution 500 mL bottle HI7073M Protein Cleaning Solution 230 mL bottle HI7074L Inorganic Cleaning Solution 500 mL bottle HI7074M Inorganic Cleaning Solution 230 mL bottle HI7077L Oil Fat Cleaning Solution 500 mL bottle HI7077M Oil Fat Cleaning S...

Page 27: ...lable combination pH electrode Use strong acid alkali HI1053B Glass body triple ceramic conic shape refillable double junction combination pH electrode Use emulsions HI1083B Glass body micro Viscolene non refillable combination pH electrode Use biotechnology micro titration HI1131B Glass body double junction refillable combination pH electrode Use general purpose ...

Page 28: ... junction refillable combination pH electrode Use flasks HI1230B Plastic body PES double junction gel filled combination pH electrode Use general field HI2031B Glass body semimicro conic refillable combination pH electrode Use semisolid products HI1332B Plastic body PES double junction refillable combination pH electrode Use general purpose ...

Page 29: ...llable combination pH electrode Use meat cheese FC210B Glass body double junction conic Viscolene non refillable combina tion pH electrode Use milk yogurt FC220B Glass body triple ceramic single junction refillable combination pH electrode Use food processing FC911B Plastic body PVDF double junction refillable with built in amplifier combination pH electrode Use very high humidity ...

Page 30: ...m 3 3 coaxial cable ending in female BNC connectors HI1413B Glass body single junction flat tip Viscolene non refillable combination pH electrode Use surface measurement ORP ELECTRODES HI3131B Glass body refillable combination platinum ORP electrode Use titration HI3230B Plastic body PES gel filled combination platinum ORP electrode Use general purpose HI4430B Plastic body PES gel filled combinati...

Page 31: ...urns do not perform any measurement in microwave ovens 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 HI9126 is warranted for two years against defects in workmanship and materials when used for its intended purpose and maintained according to instructions Electrodes a...

Page 32: ...ANIA MAN9126 09 17 Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA Technical Support for Customers Tel 800 426 6287 Fax 401 765 7575 E mail tech hannainst com www hannainst com ...

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