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Hanna Instruments HI 98171, Instruction Manual, Page: 43 / 52

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Hanna Instruments HI 98171 Instruction Manual Download Page 43

4 3

pH CLEANING PROCEDURE

• 

General

Soak in Hanna 

HI 7061

 or 

HI 8061

 General

Cleaning Solution for approximately ½ hour.

• 

Protein

Soak in Hanna 

HI 7073

 or 

HI 8073

 Protein

Cleaning Solution for 15 minutes.

• 

Inorganic

Soak in Hanna 

HI 7074

 Inorganic Cleaning Solution

for 15 minutes.

• 

Oil/grease

Rinse with Hanna 

HI 7077

 or 

HI 8077

 Oil and Fat

Cleaning Solution.

IMPORTANT:

 After performing any of the cleaning procedures, rinse the

electrode thoroughly with distilled water, refill the reference chamber with
fresh electrolyte (not necessary for gel-filled electrodes) and soak the electrode
in 

HI 70300

 or 

HI 80300

 Storage Solution for at least 1 hour before taking

measurements.

Summary of Contents for HI 98171

Page 1: ...1 Calibration Check Waterproof pH mV ISE Temperature Meters HI 98170 HI 98171 HI 98172 Instruction Manual www hannainst com...

Page 2: ...whom you purchased the instrument 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 notifi...

Page 3: ...the electrode aging User selectable calibrationtimeout toremindwhenanewcalibrationis necessary Hanna Instruments reserves the right to modify the design construction and appearance of its products wit...

Page 4: ...easure with ISE electrodes on ppm scale The ion charge selection capability and the ISE calibration in up to five calibration standard solutions make this instrument very useful for a large range of c...

Page 5: ...rument ON and OFF 7 CAL key to enter exit calibration mode GLP key to display Good Laboratory Practice information 8 2nd key to select second key function 9 key to manually increase temperature or oth...

Page 6: ...er exit view logged data mode 11 LOG key to store measured data CFM key to confirm different values 12 AutoEnd key to freeze first stable reading on the LCD CLR key to clear calibration or logged data...

Page 7: ...1 o t 0 8 m o r F n o i t a s n e p m o c e r u t a r e p m e T m o r f c i t a m o t u A r o l a u n a M F 0 8 4 2 o t 0 4 C 0 0 2 1 o t 0 0 2 e d o r t c e l E H p d e d u l c n i B 0 3 2 1 I H e b...

Page 8: ...r F n o i t a r b i l a C E S I n o i t a r b i l a c t n i o p e v i f o t p U e l b a l i a v a s n o i t u l o s d r a d n a t s 6 m p p 0 0 0 0 1 0 0 0 1 0 0 1 0 1 1 1 0 n o i t a s n e p m o c e...

Page 9: ...maining battery charge then enters measurement mode After measurement switch the instrument off cleantheelectrodeandstoreitwith afewdropsofHI70300storagesolutionintheprotectioncap Placetheinstrument i...

Page 10: ...arrow keys can be used to enter the desired temperature value Note When in MTC the user can press and hold the ARROW keys and the instrumentwillstartincrementing decrementingthetemperaturevalue Theins...

Page 11: ...nstrument was calibrated see ISE CALIBRATION for details page 19 Notes Whenthereadingisoutofrange thedisplaywillflashtheclosest full scalevalue The instrument will display on the primary LCD if it is...

Page 12: ...urate pH measurements it is recommended to perform a five point calibration However at least a two point calibration is suggested The instrument will automatically skip the buffers used during calibra...

Page 13: ...irmed immerse the pH electrode and the temperature probe approximately 4 cm 1 into the third buffer solution and stir gently The temperature probe should be close to the pH electrode If necessary pres...

Page 14: ...ion is selected an electrode offset correction is performed keeping unchanged the existing slopes Proceed as described in FIVE POINT CALIBRATION section Press CAL after the first calibration point was...

Page 15: ...RKING WITH CUSTOM BUFFERS If at least one custom buffer was set in SETUP menu it can be selected for calibration by pressing the ARROW keys The CUSTOM tag will be displayed blinking on the LCD Press2n...

Page 16: ...emains active until the end of the calibration day Note The electrode condition is evaluated only if current calibration includes at least two CLEANELECTRODE EachtimepHcalibrationisperformed theinstru...

Page 17: ...8 2 1 0 2 8 6 8 6 1 0 0 4 8 8 6 3 0 7 2 2 9 6 0 0 1 2 6 2 1 5 2 7 7 8 6 1 1 0 4 6 8 6 1 0 7 8 1 9 1 0 0 1 5 4 2 1 0 3 6 8 8 6 1 2 0 4 5 8 6 0 0 7 4 1 9 6 9 9 9 2 2 1 5 3 5 9 9 6 1 3 0 4 4 8 6 9 9 6 1...

Page 18: ...table in mV range and the Relative mV offset is inside the offset window 2000 mV CFM tag blinks PressCFMtoconfirmrelativemVcalibration Theinstrumentwillreturnto measurement mode If the absolute mV rea...

Page 19: ...e first used standard Poursmallquantitiesofthebuffersolutionsintocleanbeakers Ifpossible use plastic beakers to minimize any EMC interferences Foraccuratecalibrationandtominimizecross contamination us...

Page 20: ...s to select a different standard value The tag will blink on the LCD until the reading is stable When the reading is stable and close to the selected standard the CFM tag blinks Press CFM to confirm c...

Page 21: ...monovalent cation ion charge is 1 29 58 divalent anion ion charge is 2 29 58 divalent cation ion charge is 2 100 ion charge is undF Press2nd thenCLR inanymomentdur ing calibration The CLr ALL message...

Page 22: ...has been selected the instrument will issue the alarm exactly 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 immediate...

Page 23: ...d beside the pH value means that this buffer was not used during last calibration Press 2nd then SETUP if you want to see calibration date or time if old calibration was performed in the same day with...

Page 24: ...GLP mode Notes Press 2nd then GLP at any moment and the instrument will return to measurement mode If calibration has not been performed the instrument displays no CAL message blinking LAST ISE CALIBR...

Page 25: ...OW keys Press CAL if you want to change the item value The selected item e g hour in setting up the correct time will start blinking Press the ARROW keys to change the displayed value The fourth calib...

Page 26: ...her item to be set e g minutes press 2nd then MODE The other item will start blinking Press the ARROW keys to change the displayed value Press CFM to confirm or CAL to escape Press the ARROW keys to s...

Page 27: ...tionsnumberisdisplayed on the LCD If the LOG space is full FULL LOC message will be displayed on the LCD for a few seconds with LOG tag blinking and then FrEE 0 message The instrument returns to norma...

Page 28: ...he slope the instrument will display message ontheprimaryLCD Last displayed parameter is dEL message on the primary LCD and the record number on the secondary LCD Note Pressing 2nd then SETUP the inst...

Page 29: ...ilize When the reading is stable the HOLD tag stops blinking and the reading is frozen on the LCD Press AutoEnd again to return to normal measurement mode Note Pressing2ndthenMODEtheinstrumentwillskip...

Page 30: ...e SETUP keys then power on the instrument The CAL tag will appear and the secondary LCD will show 0 0 C The primary LCD will display the measured temperature or the message if the measured temperature...

Page 31: ...ment The CAL tag will appear and the secondary LCD will show 0 0 mV Set 0 0 mV on the simulator When the reading is stable and close to the selected calibration point CFM tag will blink Press CFM to c...

Page 32: ...is also possible to remotely control the instrument with any terminal program Use HI 920011 cable to connect the instrument to a PC start the terminal programandsetthecommunicationoptionsasfollows 8...

Page 33: ...MMANDS REQUIRING AN ANSWER The instrument will answer for these commands with STX answer checksum ETX wherethechecksumisthebytessumoftheanswerstringsentas2ASCIIcharacters All the answer messages are w...

Page 34: ...atus 1char representsa4bithexadecimalencoding 0x01 pH calibration available 0x02 Rel mV calibration available 0x04 ISE calibration available pH calibration data if available which contains the number...

Page 35: ...t ID 4 chars Calibration alarm time out 2 chars SETUP information 2 chars 8 bit hexadecimal encoding 0x01 beep ON else OFF 0x04 degrees Celsius else degrees Fahrenheit 0x08 Offset calibration else Poi...

Page 36: ...171 and HI 98172 The mV reading with sign and decimal point 7 chars only for HI 98171 and HI 98172 The logged time yymmddhhmmss 12 chars Thecalibrationslope withsignanddecimalpoint 7chars not availabl...

Page 37: ...rt four new 1 2V AA rechargeable batteries in the battery compartment while paying attention to the correct polarity Put the switch on the back of the instrument in the Recharge position Reattach the...

Page 38: ...ch automatically turns the instrument off when the batteries level istoolowtoensurereliablereadings Atstartupthedisplaywillshow 0bAtt message for a few seconds then the instrument automatically turns...

Page 39: ...tery symbol blinking low battery condition Rechargeable batteries shoud be recharged soon or batteries replaced Calibration messages Outside Cal Range blinking reading out of calibration range WRONG a...

Page 40: ...e pH electrode s life also depends on the temperature If constantly used at high temperatures the electrode life is drastically reduced TEMPERATURE CORRELATION FOR pH SENSITIVE GLASS Typical Electrode...

Page 41: ...ing transport tiny bubbles of air may have formed inside the glass bulb The electrode cannot function properly under these conditions These bubbles canberemovedby shakingdown theelectrodeasyouwoulddow...

Page 42: ...ponse time the glass bulb and the junction of pH electrode should be kept moist and not allowed to dry out Replace the solution in the protective cap with a few drops of HI 70300 or HI 80300StorageSol...

Page 43: ...74 Inorganic Cleaning Solution for15minutes Oil grease Rinse with Hanna HI 7077 or HI 8077 Oil and Fat Cleaning Solution IMPORTANT After performing any of the cleaning procedures rinse the electrode t...

Page 44: ...a r b i l a c d e t c e t e d d n a e d o r t c e l e n a e l C m e l b o r p e h t f I e t a r b i l a c e r r e f f u b e h t k c e h c s n i a m e r s n o i t u l o s s w o h s y a l p s i D y r e...

Page 45: ...500 mL HI 8009L pH 9 18 Buffer Solution in FDA approved bottle 500 mL HI 8010L pH 10 01 Buffer Solution in FDA approved bottle 500 mL ELECTRODE STORAGE SOLUTION HI 70300L Storage Solution 500 mL bottl...

Page 46: ...est Solution 470 mV 500 mL bottle pH ELECTRODES All electrodes part numbers ending in B are supplied with a BNC connector and 1 m 3 3 cable as shown below HI 1043B Glass body double junction refillabl...

Page 47: ...31B Glass body semimicro singlejunction refillable combinationpHelectrode Use flasks HI 1230B Plastic body PEI double junction gel filled combination pHelectrode Use general field HI 2031B Glass body...

Page 48: ...on conic Viscolene non refillable combination pHelectrode Use meat cheese FC 210B Glass body double junction conic Viscolene non refillable combination pH electrode Use milk yogurt FC 220B Glass body...

Page 49: ...ion pH electrode Use surfacemeasurement ORP ELECTRODES HI 3131B Glass body refillable combination platinum ORP electrode Use titration HI 3230B Plastic body PEI gel filled combinationplatinumORPelectr...

Page 50: ...ng pipet 20 pcs HI76405 Electrodeholder HI7662 StainlesssteelTemperatureprobewith1m 3 3 screenedcable HI8427 pH and ORP electrode simulator with 1 m 3 3 coaxial cable ending in female BNC connectors H...

Page 51: ...c discharges Avoid touching this glass bulb at all times During operation ESD wrist straps should be worn to avoid possible damage to the electrode by electrostatic discharges Any variation introduced...

Page 52: ...3258 9565 Fax 03 3258 9567 Korea Tel 02 2278 5147 Fax 02 2264 1729 Malaysia Tel 603 5638 9940 Fax 603 5638 9829 Singapore Tel 6296 7118 Fax 6291 6906 SouthAfrica Tel 011 615 6076 Fax 011 615 8582 Tai...

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