HANNA HI 98230 HI 98240 Printing Logging pH Meters with GLP Smart Electrodes Instruction Manual
Contents
1. Put in the protective cap a few drops of HI 70300 storage solution or in its absence filling solution HI 7071 for single junction or HI 7082 for double junction electrodes Follow the Preparation Procedure above before taking measurements Note NEVER STORE THE ELECTRODE IN DISTILLED WATER OR DRY PERIODIC MAINTENANCE Inspect the electrode and the cable The cable used for connection to the meter 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 electrode Rinse off any salt deposits with water For refillable electrodes Refill it with fresh electrolyte HI 7071 for single junction or HI 7082 for double junction electrodes Allow the electrode to stand upright for 1 hour Follow the Storage Procedure above CLEANING PROCEDURE General soak in Hanna HI 7061 general cleaning solution for approximately 1 hour Removal of films dirt or deposits on the membrane junction Protein soak in Hanna HI 7073 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 Oil amp Fat cleaning solution IMPORTANT After performing any of the cleaning procedures rinse the electrode2. 1 8 F outside Typical EMC Deviation 0 03 pH 1 mV 2 400 mV 2 mV outside HI 98240 only 0 8 C 1 4 F pH Calibration Automatic 1 or 2 point with 5 memorized buffer values pH 4 01 6 86 7 01 9 18 and 10 01 mV Calibration Automatic 2 point at 0 and 350 mV or HI 98240 only 3 point at 0 350 and 1900 mV Temperature Compensation Automatic 10 to 120 C 14 to 248 F pH Electrode HI 1618D smart electrode with built in temperature DIN connector and 1 m 3 3 cable included ORP Electrode Samrt ORP electrode with HI 98240 only DIN connector and 1 m 3 3 cable optional Input Impedance 10 Ohm PC Connection HI 9200 IR interface Printer Low power impact type belt 14 characters per line 38 mm plain paper HI 710034 Printing Logging Interval Selectable at 1 2 5 10 15 30 60 120 or 180 minutes Power supply 4 1 5V M batteries approx 350 of use without printing and backlight or 12 Vdc input Environment 0 to 50 C 32 to 122 F RH max 95 Dimensions 220 87 x 75 mm 8 7 x 3 4 x 2 9 Weight 550 g 1 2 Ib PASSWORD PROTECTION Setting of the GLP parameters calibration alarm time out instru ment ID code time and date can be password protected If password is set to a value different from 0000 factory setting the user will be asked to enter the password Select the desired GLP parameter code Enter th
3. Note If a wrong code is entered the Err message is displayed on LCD for a few seconds The meter automatically checks for entered time date accuracy as follows Oshh lt 23 0mms59 01 lt dd lt 28 29 30 31 1 lt MMS lt 12 1998YYYY 2097 To change the password the correct code must be entered first If the password has been forgotten the password protected features are no longer accessible in this case contact your nearest Hanna Service Center 1 SETUP MESSAGES LIST code 00 Lot data Printing code 01 Lot table Printing code 02 Printer enable code 03 Log Interval code 05 Press ALT CFM to delete Lot 00 or ALT FNC to escape code 06 Press ALT CFM to delete Lot 01 16 or ALT FNC to escape code 10 pH GLP code 11 Volt GLP HI 98240 only code 12 GLP data printing code 13 Calibration alarm time out code 14 Instrument ID Code code 30 Hour Minute code 31 Day code 32 Month code 33 Year TO SCAN GLP DATA CODE 10 Viewing pH GLP Selec the code 10 The pH GLP message will scroll twice on LCD Electrode calibration data are verified to be within acceptable values If not the message Old probe or Dead probe will scroll once on LCD depending on calibration data The LCD will then display the instrument identification ID code e Press O to scan remaining data in the following order last calibration date DD MM last calibration year
4. 2 Printer clutch jammed 3 Selection lever fault PC BUS ERROR In case of an IC bus fatal error due for example to a defective EEPROM or RTC the message Serial bus error keeps scrolling across LCD from right to left indefinitely Meter should be returned for repair see warranty section 26 PRINTER MAINTENANCE TO CHANGE THE INK CARTRIDGE When printouts become faint it might be necessary to change the ink cartridge Contact the nearest Hanna authorized center TO INSERT THE PAPER ROLL HI 98230 and HI 98240 use plain paper rolls 38 mm width To insert a new roll is very easy Open the paper cover pulling it gently and take the cylinder away Insert the paper edge in the printer slot and feed the printer by pressing the PAPER key Allow about 5 cm 2 of paper to exit from the printer and replace the paper cover 29 MEMORY ORGANIZATION Logged data are stored in the internal EEPROM and are retained even if batteries and external power are disconnected MEMORY CAPACITY 1500 data samples which are divided into 16 lots lots 01 to 16 e 100 data samples for the Log on demand lot 00 TIMED LOG lots 01 to 16 Each time a new logging period starts it automatically starts from the next available lot If the last lot was the 16th the new logging period restarts from lot 01 overwriting previously logged data When Timed logging memory is full the meter overwrites the oldest lot data progressivel
5. A last printout reporting the number of logged samples e g 5 00009 will be pro duced if printer is enabled Notes e t is recommended to use the adapter during logging in printing mode especially when many printouts are going to be taken Before proceeding with logging with printing make sure there is enough paper for your measurements When the paper is finished the meter will not advise the operator and the printouts could be lost If this happens data will continue to be stored in memory and it is always possible to print the data at a later time through setup code 00 It is possible fo insert a new paper roll during logging session see page 29 Once in the logging mode the interval cannot be changed Exit the logging mode first pressing the ALT and LOG keys to set a new interval If the LOG key is pressed while in logging with printing mode a printout is produced without affecting the running sample num ber and the value is stored in Log on demand area LOW BATTERY CONDITION Printout is automatically disabled when battery charge weakens The last message Stop log will be printed and data will continue to be stored in memory with the LOG and LOBAT symbols blinking on LCD If the user attempts to enable the gt lt p printer while in low battery condition the message bAtt will appear for a few sec oct E Eom onds on the LCD Note When an external adapter or new batteries are connected
6. HI 70091 pH 9 18 buffer solution 500 mL bottle HI 70101 pH 10 01 buffer solution 500 mL bottle HI 80101 pH 10 01 buffer solution 500 mL FDA bottle ELECTRODE MAINTENANCE SOLUTIONS HI 70300L Storage solution 500 mL bottle HI 80300L Storage solution 500 mL FDA bottle HI 70000P Electrode rinsing solution 20 mL sachet 25 pcs HI 7061L General cleaning solution 500 mL bottle HI 8061L General cleaning solution 500 mL FDA bottle HI 7073L Protein cleaning solution 500 mL bottle HI 8073L Protein cleaning solution 500 mL FDA bottle HI 7074L Inorganic cleaning solution 500 mL bottle HI 8074L Inorganic cleaning solution 500 mL FDA bottle HI 70771 Oil amp Fat cleaning solution 500 mL bottle HI 80771 Oil amp Fat cleaning solution 500 mL FDA bottle 1M KNO electrolyte solution 4 x 50 mL bottle 7072 HI 8072 1M KNO electrolyte solution 4 x 50 mL FDA bottle HI7082 3 5M KCl electrolyte solution 4 x 50 mL bottle for double junction electrodes HI8082 3 5M KCl electrolyte solution 4 x 50 mL FDA bottle for double junction electrodes ORP PRETREATMENT SOLUTIONS HI7091L Reducing pretreatment solution 500 mL bottle HI7092L Oxidizing pretreatment solution 500 mL bottle 35 Dry Membrane Junction soak in HI 70300 storage solution for at least 1 hour Drifting 500 the electrode tip in warm HI 7082 solution for one hour then flush the tip with distilled water Refill with fresh
7. s 002 17 251 c Time ae ed 40 6 d Readings Note When the Log on demand data area is full and the LOG key is pressed the sample will not be stored and the LCD will display FULL In this case it is necessary to delete the Log on demand data to proceed TO RETRIEVE LOGGED DATA Logged data stored in the EEPROM can be viewed on LCD or printed 11198230 and 11198240 also allow the downloading of logged data to PC for reproduction storage and elaboration e g graph drawing To view or print logged data see TO SCAN LOGGED DATA on page 11 To download data to PC see DATA TRANSFER TO PC on page 27 OTHER FEATURES LCD BACKLIGHT The LCD can be illuminated to allow the user to see the readings even in dark environments This feature can be enabled disabled pressing the ALT and LIGHT keys If the LCD backlight feature is enabled the LCD remains illuminated until the feature is disabled pressing the ALT and LIGHT keys The LCD backlight can be disabled in order to save power and it is automatically disabled when batteries are in low battery condition Note When an external power supply is connected to the instru ment the backlight is not automatically enabled Note When LOBAT appears on LCD it is not possible to enable backlight If the user attempts to enable the LCD backlight in low battery condition the meter will show bAtt on LCD Real Time Clock RTC The instrument has an internal Real Time Clock RTC
8. 40 50 60 70 80 90 C Since the resistance of the pH electrode is in the range of 200 Mohm the current across the membrane is in the pico Ampere range Large currents can disturb the calibration of the electrode for many hours For these reasons high humidity 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 Less than 4 months 120 C Less than 1 month High concentrations of sodium ions interfere with readings in alkaline solutions the pH at which the interference starts to be significant depends upon the composition of the glass This interference is the alkaline error and causes the pH to be underestimated Hanna s glass formulations have the indicated characteristics Alkaline Error Sodium lon Correction for the Glass at 20 25 C Concentration H Eror 0 1 Mol L Na 13 00 13 50 1 0 Mol L No 31 BATTERY REPLACEMENT When the batteries are inserted and no power adapter is connected the meter can recognize different batteries charge levels 1 Fully charged batteries The backlight and printer can be enabled 2 Weakening batteries LOBAT symbol blinks on LCD The backlight and printer are automatically disabled and it is not possible to enable them until new batteries
9. RF Radiated IEC 801 4 Fast Transient EN 50081 1 Electromagnetic Compatibility Generic Emission Standard EN 55022 Radiated Class B EN61010 1 Safety requirements for electrical equipment for measurement control and laboratory use 6 9 7 1998 Ji nj P Cesa Technical Director On behalf of Hanna Instruments S r l Date of Issue Recommendationsfor Users efore using this product make sure that it is entirely suitable for the environment in which it is used Operation of this instrument in residential area could cause unacceptable interferences to radio and TV equipments requiring the operator to take all necessary steps fo correct interferences he glass bulb at the end of the electrode is sensitive to electrostatic discharges Avoid touching this glass ulb atall time During calibration ofinstruments ESD wrist straps should be worn to avoid possible damage o the electrode by electrostatic discharge Any variation introduced by the user to the supplied equipment may degrade the instrument s EMC erformance o avoid electrical shock do not use these instruments when voltages at the measurement surface exceed 24 Vac or 60 Vdc o avoid damages or burns do not perform any measurement in microwave ovens 39 WARRANTY All Hanna Instruments meters are warranted for two years against defects in workmanship and materials when used for their intended purpose and maintained according to instructions The electrode
10. body single junction triple ceramic refillable with built in temperature sensor DIN connector and 1 m 3 3 cable Smart pH electrode plastic body single junction gel filled with built in temperature sensor DIN connector and 1 m 3 3 cable Smart ORP Pt electrode glass body single junction with DIN connector and 1 m 3 3 cable Smart ORP Pt electrode single junction gel filled with DIN connector and 1 m 3 3 cable HI 1615D HI 1616D HI 1617D HI 1618D HI 3619D HI 3620D OTHER ACCESSORIES Voltage adapter 115 Vac 12 Vdc Voltage adapter 230 Vac 12 Vdc Rugged carrying case Paper roll 10 pcs Ink cartridge Electrode holder pH mV simulator pH mV simulator with LCD Infrared interface for PC connection Windows compatible software HI 710005 HI 710006 HI 710031 HI 710034 HI 710035 HI 76405 HI 8427 HI 931001 HI 9200 HI 92000 Windows is registered Trademark of Microsoft Co 36 CE DECLARATION OF CONFORMITY er bes 6 6 DECLARATION OF CONFORMITY We Hanna Instruments Italia Srl via E Fermi 10 35030 Sarmeola di Rubano PD ITALY herewith certify that the pH meters HI 98230 HI 98240 have been tested and found to be in compliance with EMC Directive 89 336 EEC and Low Voltage Directive 73 23 EEC according to the following applicable normatives EN 50082 1 Electromagnetic Compatibility Generic Immunity Standard TEC 801 2 Electrostatic Discharge TEC 801 3
11. last calibration time hh mm electrode offset value in mV OF appears in the lower LCD electrode slope in mV pH SL appears in the lower LCD first point calibration buffer second point calibration buffer only if a 2 point calibration has been performed Note Data can be viewed in reverse order pressing the O key e Press ALT and FNC to return to function selection mode Code 11 Viewing mV GLP HI98240 only e Select code 11 The message Volt GLP will scroll twice across LCD The LCD will then display the instrument identification ID code e Press 0 to scan remaining data in the following order last calibration date DD MM last calibration year last calibration time hh mm first calibration point second calibration point third calibration point if present e Press ALT and FNC to return to setup mode CODE 12 Printing GLP Data Select code 12 The message GLP data printing will scroll across LCD The meter will then print a complete set of the following GLP data a Instrument identification ID code 13 printed at that moment If printout is stopped the LCD will show the last printed sample number It is then possible to select another sample Press the ALT and FNC keys to return to setup mode Viewing Logged Data Press RANGE to view data of the selected sample Data will be displayed in the following order pH or mV mV reading available in HI98240 only temperature date time If R
12. points are 0 and 350 mV for low range calibration the other two points are 0 and 350 or 1900 mV for high range calibration 1 Connect a mV simulator HI 8427 or HI 931001 with the proper connection cable to the meter and set it to 0 mV 2 Press ALT and CAL when LCD is displaying mV ALT TFNC RANGE 4CAL 3 User is prompted to enter password if it has been set to a value different from 0000 otherwise skip to step 6 4 Enter the password with the arrow keys 5 Press ALT and CFM to confirm the password or ALT and CAL to return to normal operational mode 6 f password is correct or not set the Fr meter will display 0 0 mV on the upper LCD and b1 on the lower if wrong it B will return to normal operational mode without any message 7 When the S symbol blinks in the lower mm LCD the reading is stable and calibra tion can be confirmed L 8 Press ALT and CFM to confirm the first value ALT CFM 9 The meter will display 350 0 mV inthe 5 Pari i upper LCD and b2 on the lower one PE 10 Set the simulator to 350 mV 11 When the S symbol blinks in the lower 3 5 fat LCD the reading is stable Press ALT and te pa CFM to confirm the second value 12 The meter will display 0 mV in the n upper LCD and b3 on the lower one m 20 TO STOP LOGGING In order to stop the recording mode press ALT and LOG keys press ON OFF first if meter is in sleep mode
13. the printing must be manually enabled in order to return to logging with printing mode LOG ON DEMAND In measuring or Timed log mode press LOG to store the current reading The LCD will display oe LOG 23 PRINTING LOGGING FUNCTION Two different modes to print log data are available 1 Timed logging samples are stored and printed if print function is active at fixed time intervals Data are stored in the lots 01 to 16 2 Log on demand samples are stored and printed if print function is active when the LOG key is pressed Data are stored in the lot 00 It s possible to perform the Log on demand either in normal mode or in Timed logging mode It is possible to switch from logging without printing to logging with printing in two ways set the function code 02 to On to enable printing to Off to disable printing press ALT and PAPER to toggle between printer enabled and printer disabled while in Timed logging TIMED LOGGING MODE To start Timed logging press ALT and LOG The lot number will be displayed for a few seconds then the LOG symbol will appear on LCD and if printer is enabled a first set of data will be printed The LOG symbol will be fixed if printer is enabled and will blink if printer is disabled The printout provides the following information a Lot number gel a aiccuy d gt 28 06 1998 C b Logging interval dieu o qct 6 Date only for the first printed samp
14. thoroughly with distilled water drain and refill the reference chamber with fresh electrolyte not necessary for gel filled electrodes and soak the electrode in HI 70300 storage solution for at least 1 hour before taking any measurements TROUBLESHOOTING Evaluate the performance of your electrode based on the following possibilities Noise readings fluctuate up and down could be due to Clogged Dirty Junction refer to the Cleaning Procedure above Loss of shielding due to low electrolyte level in refillable electrodes only refill with fresh HI 7071 for single junction electrodes or HI 7082 for double junction electrodes 33 ELECTRODE CONDITIONING AND MAINTENANCE Note To prevent damage to the electrode remove it from the sample before turning the meter off With the meter OFF detach the electrode from the instrument and immerse it in the storage solution PREPARATION Remove the protective cap DO NOT BE ALARMED IF SALT DEPOSITS ARE PRESENT This is normal with pH electrodes and they will disappear when rinsed with water During transport tiny bubbles of air may form 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 HI 70300 storage solution for at least one hour For refillable electrodes If the fill solution e
15. used or if the buffer is is polluted WRONG will be displayed to alert the user lf only a single point calibration is re quired press ALT and CAL to leave the calibration mode and maintain the previ ous slope calibration CALC will be displayed for a few seconds The instrument then checks the electrode parameters and ad Panc vises user of abnormalities by old probe and dead probe indications 12 Press O or O to select the second m a 00 ALT TFNC oa buffer value The b2 symbol will be ne fixed on lower display ut 13 Rinse the electrode with some of the second h buffer solution or clean water 7 14 Dip the bottom 4 cm 1 7 of the electrode F 4em in a beaker containing the second buffer El in 15 When the S symbol blinks in the lower Ir LCD press ALT and CFM to confirm the 4 second calibration point 5x BE ALT CFM 18 13 Set the simulator to 0 mV 14 When the S symbol blinks in the lower pow LCD the reading is stable Press ALT and CFM to confirm the third value 15 The meter will display 350 mV in the upper LCD and b4 on the lower one Pressing the O key 1900 mV will be bH selected as calibration point Note 1900 mV is suggested as the last calibration point to obtain the best accuracy throughout the entire mV range 16 Set the simulator to 1900 mV animnm 17 When the S symbol blinks in th
16. 2 2278 5147 Fax 02 2264 1729 Malaysia Tel 603 5638 9940 Fax 603 5638 9829 Singapore Tel 6296 7118 Fax 6291 6906 South Africa Tel 011 615 6076 Fax 011 615 8582 Taiwan Tel 886 2 2739 3014 Fax 886 2 2739 2983 Thailand Tel 66 2619 0708 Fax 66 2619 0061 United Kingdom Tel 01525 850 855 Fax 01525 853 668 USA Tel 401 765 7500 Fax 401 765 7575 For e mail contacts and complete list of Sales and Technical offices please see www hannainst com
17. 9 18 and 10 01 and wrong buffer recognition technology make calibration simple and error free One or two point procedure can be performed The meters are also equipped with a stability indicator and backlight feature for comfortable reading even in dark environments The GLP features provide a guarantee of data consistency Measurements can be performed with lab grade precision in the field as well as in the laboratory An alarm time out is available to alert the user if too much time has elapsed since the last pH calibration Dear Customer Thank you for choosing a Hanna Instruments Product Please read this instruction manual carefully before using the instru ment This manual will provide you with all the necessary information for the correct use of the instruments If you need additional technical information do not hesitate to e mail us at tech hannainst com These instruments are in compliance with the C directives TABLE OF CONTENTS PRELIMINARY EXAMINATION 3 GENERAL DESCRIPTION 8 3 FUNCTIONAL DESCRIPTION 5 SPECIFICATIONS NITIAL PREPARATION nnn 7 SETUPMODE encore RR 8 TAKING pH MEASUREMENTS ID TAKING ORP MEASUREMENTS 16 TAKING TEMPERATURE MEASUREMENTS 16 pH CALIBRATION PROCEDURE l7 mV CALIBRATION PROCEDURE 20 TEMPERATURE CALIBRATION PROCEDURE 2 PRINTING LOGG
18. ANGE is pressed when the time is displayed the LCD will pass to the next Sample number It is then possible to scroll the data of the next sample by pressing RANGE or select a different sample by the arrow keys to return to setup mode press ALT and FNC when the meter displays the sample number CODE 01 Lot Summary Printout e Select the code 01 The message Lot table Printing will scroll twice on LCD The meter will then print a complete set of information based on the data stored in memory a lot number 00 5 013 b logging interval Ee 53 30 b n 25 06 19981 c C starting date 6 5 00007 68 d number of samples mg 02 15 m e Starting time 27 06 1998 f number and measure unit of 5 90093 17 22 the logged channels Note For lot 00 the number of samples only will be printed DELETE SET DATA Select code 05 to delete the Log on Demand data or code 06 to delete the Timed Log Data e A scrolling message will be displayed e Press the ALT and CFM keys to confirm deletion e It is also possible to escape without data deletion pressing the ALT and FNC keys TAKING pH MEASUREMENTS Connect the pH electrode with the built in temperature sensor to the meter and press x ON OFF to power on the instrument ON OFF The meter automatically checks that the stored calibration data correspond to the connected electrode The pH range will be auto matically set If the pH electrode
19. HI 7071 for single junction electrodes or HI 7082 for double junction electrodes Low Slope refer to the cleaning procedure above No Slope check the electrode for cracks in glass stem or bulb and replace the electrode Slow Response Excessive Drift soak the tip in HI 7061 Hanna solution for 30 minutes rinse thoroughly in distilled water and then follow the Cleaning Procedure above 34 OTHER PRODUCTS FROM HANNA CALIBRATION AND MAINTENANCE SOLUTIONS CHEMICAL TEST KITS CHLORINE METERS CONDUCTIVITY TDS METERS DISSOLVED OXYGEN METERS HYGROMETERS ION SPECIFIC METERS MAGNETIC STIRRERS Na NaCl METERS pH ORP Na ELECTRODES PROBES DO LiS cm RH T TDS PUMPS REAGENTS SOFTWARE THERMOMETERS TITRATORS TRANSMITTERS TURBIDITY METERS Wide Range of Accessories Most Hanna meters are available in the following formats BENCH TOP METERS POCKET SIZED METERS PORTABLE METERS PRINTING LOGGING METERS PROCESS METERS Panel and Wall mounted METERS FOR FOOD INDUSTRY For additional information contact your dealer or the nearest Hanna Customer Service Center You can also e mail us at tech hannainst com 37 ELECTRODES Smart pH electrode glass body single junction refill able with built in temperature sensor DIN connector and 1 m 3 3 cable Smart pH electrode glass body single junction gel filled with built in temperature sensor DIN connector and 1 m 3 3 cable Smart pH electrode glass
20. ING FUNCTION n OTHER FEATURES essseseeeeeeee GOOD LABORATORY PRACTICE GLP FAULT CONDITIONS ttn 26 DATA TRANSFER TO PC 2 MEMORY ORGANIZATION 28 PRINTER MAINTENANCE 29 BATTERY REPLACEMENT gt 30 TEMPERATURE RESISTANCE CORRELATION FOR HANNA PH SENSITIVE GLASS ELECTRODE CONDITIONING AND MAINTENANCE ACCESSORIES OTHER PRODUCTS FROM HANNA nnns WARRANTY FUNCTIONAL DESCRIPTION f HANNA instrumenis Y zE ELE Eg Darex TIME Upper LCD Lower LCD osar 1 tos MICROPROCESSOR LOGGING pH ORP METER O ON OFF PAPER RANGE LIGHT CAL LOG 1 Power adapter plug 2 Electrode connector 3 LCD Liquid Crystal Display 4 PAPER key to move the paper up 5 ON OFF key to turn the meter on and off 6 ALT key to activate alternate key function 7 RANGE LIGHT key to select measurement range to display time and to enable disable backlight with ALT 8 LOG key to store measurements on demand 9 O CAL key to move down or enter calibration with ALT 10 CFM key to move right or confirm values with ALT 11 O FNC key to move up or select function codes with ALT The meters provide a controlled access to calibration and GLP settings through a password protection method To prolong battery life the backlig
21. Instruction Manual HI 98230 HI 98240 Printing and Logging pH Meters with GLP and Smart Electrodes HANNA instruments www hannainst com PRELIMINARY EXAMINATION Remove the instrument from the packing material and examine it carefully to make sure that no damage has occurred during shipping If there is any damage notify your dealer Each meter is supplied in a rugged carrying case complete with e HI 1618D smart pH electrode with built in temperature sensor DIN connector and 1 m 3 3 cable e pH 4 01 amp pH 7 01 buffer sachets 20 mL each e Electrode cleaning solution 5 paper rolls e Batteries 4 x 1 5V M and 12 Vdc power adapter e Instruction manual Note Save all packing material until you are sure that the instrument functions correctly All defective items must be returned in their original packaging together with the sup plied accessories GENERAL DESCRIPTION HI 98230 and HI 98240 are portable printing and logging micropro cessor based pH temperature meters In addition HI 98240 provides ORP measurements Both models are supplied with an exclusive HANNA smart amplified pH temperature electrode with DIN connector The electrode has an internal memory for storing calibration data All pH measurements are automatically compensated for temperature ATC The instrument housing is made of rugged lightweight material making it truly portable Five memorized buffers pH 4 01 6 86 7 01
22. ample 15 b last pH calibration date last pH calibration time enaa d pH electrode offset ae e pH electrode slope Do mm f 1 point pH calibration buffer 2 5 6270 sies Q 2 point pH calibration buffer ST 2 0 2x if present h last mV calibration date 25 06 1998 h H198240 only dE i last mV calibration ime 1L 5 i09 iw H198240 only point mV calibration HI98240 only m 2 point mV calibration HI98240 only n 3 point mV calibration if present HI98240 only Note If the pH is followed by a set of or it means that the pH electrode is old or dead respectively A dashed line indicates that the calibration has never been performed If the calibration date is followed by the symbol Dt it means that the calibration alarm time out period has been exceeded CODE 13 Setting the Identification ID Code When using several identical meters it may be useful 10 uniquely identity them by assigning an ID code to each meter Select code 13 The message Instrument ID code will scroll across LCD Enter a 4 digit value using the arrow keys e Press ALT and CFM to confirm the value TESTING BATTERY LEVEL Select code 41 The message Battery test will scroll across LCD e f the meter is connected to an external power adapter the LCD will display LINE otherwise it will display bAtt on the upper display and the remaining percentage of battery ch
23. and then it is possible to make any elaboration available with software e g graphics statistic analysis HI 92000 offers a variety of features and is provided with an on line help to support the user throughout any situation To install HI 92000 you need a 3 5 drive and a few minutes to follow the instructions conveniently printed on the disk label Windows is registered Trademark of Microsoft Co Excel Copyright Microsoft Co Lotus 1 2 3 Copyright Lotus Co 27 The meter checks if the time out time hs expired every time it is tumed on In the i case the time has run out the message Cal date scrolls across the LCD The DATE sym bol will blink as a reminder Alarm time out is also signaled in the GLP data printout through the Dt symbol after 55 06 1998 nt the calibration date ID 1234 GLP AND RS232 All the GLP data can be retrieved from a PC through the RS232 communication feature The calibration data are transferred to the computer along with measurement data for analysis and verification see Data transfer to PC paragraph FAULT CONDITIONS HI 98230 and HI 98240 are factory programmed to automatically diagnose a fault and to display error codes on the LCD PRINTER ERROR Whenever a printer fault condition is detected the printer stops and the message Printer error scrolls across the upper LCD with the error code see below fixed on the secondary one 1 Motor locked
24. are inserted or an external power adapter is connected 3 Weak batteries LOBAT symbol stays still on lower LCD Backlight and printer are disabled and meter can work for about 20 hours If in Timed logging mode with the power down function enabled this time can be longer 4 Dead batteries LCD shuts off The instrument stops working to avoid any erroneous readings Note It is not possible to enable backlight and printer when the instrument is in a low battery condition If the user attempts to enable these functions without re placing the batteries or connecting the external power adapter the meter will show bAtt on LCD Battery replacement must only take place in a non hazardous area by using 1 5V alkaline AA type batteries 0 a In order to replace run down batteries i simply remove the two screws on the rear i J screw cover of the instrument and replace the four 1 5V AA batteries while paying tention to the correct polarity A 12 Vdc power adapter can also be used to power the unit Note The instrument uses the following configuration It is recommended to purchase the Hanna HI 710005 or HI 710006 voltage adapters that use the proper polarity configuration However HI 98230 and HI 98240 can also be used with other adapters In this case remember to check the correct polarity of your adapter before connecting it to the meter 30
25. arge 100 means fully 2 Ira charged battery and 0 corresponds to E the minimum battery voltage that al lows the meter to operate pH CALIBRATION PROCEDURE For better accuracy it is recommended to calibrate the instrument frequently For a faster procedure it is possible to calibrate at 1 point but it is always a good practice to calibrate at 2 points A two point calibration can use any combination of the three sets pH 4 01 pH 6 86 7 01 pH 9 18 10 01 Only one value from each set can be selected For example if pH 7 01 is used as first point it will not be possible to select pH 6 86 as the second point In the case of a two point calibration in the acidic range from 0 to 7 pH use pH buffer 7 01 or 6 86 as the first solution and pH buffer 4 01 as the second solution If testing in the alkaline range from 7 to 14 pH use pH buffer 10 01 or 9 18 as the second solution Due to electrode conditioning time the electrode must be kept immersed a few seconds to stabilize The meters are equipped with a stability indicator a blinking S and the user will be guided step by step with easy indications on the LCD during the calibration This will make the calibration a simple and error free procedure pH CALIBRATION 1 Rinse the electrode with a portion of the first calibration buffer or clean water Dip the bottom 4 cm 1 of the electrode into a beaker containing the solution 2 Press ALT and CAL while meter is not
26. bration cannot be successfully performed CALIBRATION DATA PRINTOUT It is possible to print the characteristics of the electrode as a recording of the electrode performance over time by setup code 12 see Printing GLP data This will consist of date time the offset characteristic of the pH electrode in mV the slope characteristic in mV pH and the pH buffer solution values If calibration has been performed with an old pH electrode the first lineis pH If calibration has been performed with a dead pH electrode the first line is pH If the calibration alarm time out is expired the Dt string will be printed beside the date Note A dashed line indicates that the calibration has never been performed 6 f password is correct or not set the meter will display 7 01pH on the up t per LCD and b1 on its lower part if 5 wrong it will retum to measurement mode without any message 7 Select the first buffer solution value with O and O if necessary 8 When the S symbol blinks in the lower LCD the reading is stable and calibra tion can be confirmed Lt x Note It is possible to display temperature pressing the RANGE i 9 Press ALT and CFM to confirm the first buffer ALT j CFM 10 If everything is satisfactory the LCD will display CALC and then the second buffer value expected will be displayed la 11 wrong solution or electrode has been
27. circuit with a backup lithium battery This allows the meter to update time and date even when both batteries and external power adapter are disconnected 24 DATA TRANSFER TO PC HI 98230 and HI 98240 feature a infrared transmitting circuitry Ensure there is not any logging process active Press RANGE to set the meter to time or date mode and simply place your data logger on a HI 9200 infrared transmitter ensuring that the two infrared LEDs are placed on top of each other and the memory content can then be downloaded to your PC through a serial port Just ensure that baud rate on instrument setup code 50 and on PC downloading program are set to the same value During the data transfer the instrument 3 displays the message r 232 5 To stop communication press RANGE to display the reading pH or mV or temperature or take the meter out of the transmitter when it is not displaying r232 Using the HI 9200 infrared transmitter all recorded data can be fed to your PC for easy reproduction storage or elaboration without the interference of cables or cords between the meter and the transmitter Data transmission from the instrument to the PC is now much easier with new HI 92000 Windows compatible software by HANNA HI 92000 allows to use the powerful capabilities of most spread sheet programs e g Excel Lotus 1 2 3 Simply open the file down loaded by HI 92000 from the spread sheet program
28. doesn t contain data the no data message will scroll across the LCD twice and the meter will return to setup mode If the lot contains one or more data thef riri a LCD will display the sample number in its ff upper part and Sn in the lower part Note In the LOO lot log on demand the sample number will be displayed with 3 digits 001 Select the sample number to scan by the arrow keys Printing Logged Data e Press ALT and CFM to print logged data e f the selected sample number is invalid equal to 0 or bigger than the number of samples the Err message will be displayed for a few seconds If the sample number is correct the samples starting from the selected one to the last sample of the lot will be printed To stop printing before the last sample is reached press and hold the ALT and PAPER keys until the printer stops During printout the LCD will display the sample number being 1 Code Valid values Default 10 Show pH GLP data 11 Show ORP GLP data HI 98240 only 12 Print GLP data 13 Calibration alarm time out 00 to 99 days 00 00 means option disabled 14 Instrument ID code 0000 to 9999 0000 30 Current time hh mm 00 00 31 Current day dd 01 32 Current month MM 01 33 Current year Ww 1998 40 Auto Off Power down time out 5 10 15 30 45 60 5 4 Battery level test 50 RS232 baud rate 1200 2400 4800 4800 60 Firmware version 70 Celsius Fahrenheit selection C or F X 99 Password 0000 to 9999 0000
29. e TAKING TEMPERATURE MEASUREMENTS The temperature sensor is integrated in the pH electrode Secure the connection of the electrode to the top of the meter and immerse it in the sample solution allow a few minutes for the temperature to stabilize Press ON OFF to power on the instrument The temperature is displayed in the lower LCD without the decimal digit during pH and mV measurement To display the temperature reading with decimal digit press the RANGE key to get into the C or F mode The temperature value and the C or F symbol will be displayed on the upper display Note To choose between C and F unit enter the setup code 70 Note If temperature measurement is out of range the LCD will display 16 CALC is displayed on the upper LCD for a few seconds and the meter is cali brated and ready fo use 17 If the buffer is wrong or the electrode is defective Err will be displayed to alert rer the user When calibration is completed the instrument checks the electrode pa rameters and advises the user of abnormalities by old probe and dead probe indications in these cases repeat the calibra tion with fresh buffers CALIBRATION ERROR MESSAGES If the old probe dead probe or Err messages are displayed during calibration check your electrode by following the conditioning and maintenance procedure and repeat calibration The pH electrode might have to be replaced if cali
30. e lower 5 LCD the reading is stable Press ALT and CFM to confirm the fourth value 18 Calibration is now complete and the instrument returns to normal operational mode Note Err message notifies the user if the selected value is wrong TEMPERATURE CALIBRATION PROCEDURE for technical personnel only The meter is factory calibrated for temperature It is recommended that the following procedure is performed by authorized technical personnel only A two point calibration at 0 0 25 0 C 32 0 77 0 F or 0 0 50 0 C 32 0 122 0 F has to be performed in order to store the new calibration data in memory 1 Immerse the electrode with the built in temperature sensor in the 0 C 32 F temperature bath 2 Press RANGE until temperature reading is selected 3 Press ALT and CAL to enter temperature calibration mode 4 Enter the password if requested 5 When the reading is stable the S symbol starts to blink 6 Press ALT and CFM to confirm LCD will display 50 0 C 122 0 F as the following calibration point 7 f25 0 C 77 0 F is desired as second point press O to display 25 0 77 0 F 8 Immerse the probe in the second temperature bath 9 When the reading is stable the 5 symbol starts to blink 10 Press ALT and CFM to confirm and return to temperature reading mode 21 mV CALIBRATION PROCEDURE HI 98240 ONLY A 4 point calibration must be performed The first two calibration
31. e password by the arrow keys CX CX CX Press the ALT and CFM keys to confirm ALT If password is wrong the meter will return to the function selection mode without any warning message e f password is correct the meter provides access to the parameter PARAMETER SETTINGS nce the parameter code has been entered the appropriate message will scroll across the LCD for a few seconds The current value of the selected parameter on the upper LCD and the parameter code on the lower LCD will be displayed The first digit will blink if the parameter can assume continuous values All the digits will blink if the parameter can assume only a fixed set of values Enter the new value using the arrow keys Press ALT and CFM to confirm the value The following table lists the setup codes along with the description of the specific setup items their valid values and the factory settings default Code Valid values Default 00 Lot data printing scrolling to 16 00 01 Print lots data summary 02 Printer enable On enabled Off disabled On 03 Logging interval 1 2 5 10 15 30 60 120 180 05 Log on demand delete 06 Timed data delete Setup can be used to view data regarding instrument status e g battery charge or GLP data e g calibration date or to view or print the logged data It also allows the user to change the meter parameters e g time and to have access to stored data To enter this mode ensure the meter is not l
32. e symbol is reported in the Last Calibration Data The readings will blink to warn the user that they are not reliable LAST CALIBRATION DATA Last calibration data are stored automatically after a successful calibration Data can be displayed or printed through the appropri ate setup codes 10 to display pH data 11 to display mV data 12 to print pH and mV data mV data are available in HI98240 only ELECTRODE IDENTIFICATION At start up the meter checks if the electrode is inserted If not the message no probe scrolls across the LCD and a dashed line will be display in place of the reading Each printout will have a O symbol on the pH line If the meter detects a dead probe the reading will blink The meter checks the electrode only at start up If an electrode replacement is needed tum the meter off before disconnecting the electrode Then replace the electrode and turn the meter on again CALIBRATION ALARM TIME OUT The calibration alarm time out is available only for pH calibration is possible to set through setup code 13 the number of days before the next required calibration procedure User can set a value from 00 disabled to 99 days The default value is 00 25 Stor log and the value will be stored in the lot 00 log on demand data area If the printing function is enabled a printout is also produced providing the following information a Date 28 06 19981 a b Sample number b
33. eter on press the ON OFF key The batteries charge status or LINE message if external power adapter is connected will be displayed on the LCD for a few seconds The meter is now ready to operate N OFF To maximize battery life the meter is automatically switched off after a user selectable period of non use default is 5 minutes If in logging mode after the period of non use the meter will continue to monitor pH or mV HI 98240 only and temperature periodically at the end of every logging interval Only the LOG indication will be visible on LCD While storing data in memory during the sleep mode the reading will appear briefly on the LCD Before proceeding with pH measurements follow the calibration proce dure Note When the use of an alternate function FNC CFM and CAL is requested press and hold the ALT key first and then the second listed key Note To prevent damage to the electrode remove the pH electrode from the sample before turning the meter off If the meter is OFF detach the electrode from the meter before immersing the electrode in the storage solution SPECIFICATIONS Range 4 00 to 19 99 pH 400 0 mV 2000 mV autoranging HI 98240 only 10 0 to 120 0 C 14 0 to 248 0 F Resolution 0 01 pH 0 1 mV 400 mV 1 mV outside HI 98240 only 0 1 C 0 1 F Accuracy 20 C 68 F 0 01 pH 0 5 mV 400 mV 2 mV outside HI 98240 only 0 5 C 0 to 70 C 1 C outside 1 F 32 to 158 F
34. ht and printing features are disabled when the batteries are getting low and the LOBAT indication is displayed to warn the user of this condition However the meter continues to measure correctly even when the low battery indication is displayed When the batteries become too weak to support proper function the Battery Error Preventing System BEPS automatically switches the meter off The meters are equipped with an internal lithium battery that powers the clock circuit even in the absence of power supply For long term field and lab applications these meters can be connected to a 12 Vdc adapter When in logging mode the meter stores the measurements in memory at a user selectable interval from 1 to 180 minutes This information can be retrieved at a later time and also printed HI 98230 and HI 98240 also allow the transfer of stored data to a computer via the HI 9200 infrared transmitter connected to the PC serial port In addition the meters allow the user to enter an ID code to uniquely identity the instruments INITIAL PREPARATION Each meter is supplied complete with batteries Remove the back cover unwrap the batteries and install them while paying attention to the polarity Alternatively connect the supplied 12 Vdc adapter to the power adapter plug To prepare the instrument for use connect the pH or ORP HI 98240 only electrode to the connector located on the top of the instrument To switch the m
35. is not connected the LCD will display the no probe message and then dashed lines in place of the readings For greatest accuracy it is recommended to set e the Calibration alarm time out to the value appropriate to your specific use and calibrate the meter as soon as the DATE warming symbol blinks on LCD see page 25 To take pH measurements simply submerge 5 the bottom 4 cm 1 4 of the electrode in the solution to be tested stir gently and Hit allow for the reading to stabilize The tem que perature is displayed in the lower LCD without the decimal digit The pH reading is automatically temperature compensated ATC If the pH reading blinks it means that the electrode is dead and readings are not reliable By continuously pressing the RANGE key the follow Cx ing information will be displayed on the upper LCD RANGE mV reading HI 98240 only The mV scale is autoranging when the AA reading is outside 400 mV the deci ee mal point automatically disappears Temperature reading 4711 cre If the temperature reading is out of range a dashed line will be displayed _ Date Time Pressing RANGE again the meter returns to pH reading If measurements are taken successively in different samples it is recommended to rinse the electrode thoroughly with deionized water or if not available tap water first and then with some of the next sample to condition the electrode before immersing it in the s
36. le of the lot or of the day d Sample number e Time f Readings To print the mV reading instead of pH press ALT and LOG after entering the mV range mV reading available in HI98240 only If no keys are pressed the meter enters standby mode to prolong the battery life and only the LOG indication will be visible on LCD While logging during the sleep mode the last logged reading will appear briefly on the LCD To reactivate the LCD press ON OFF 22 GOOD LABORATORY PRACTICE GLP GLP is a set of functions that allows the storage or retrieval when necessary of data regarding the maintenance and status of the electrode The pH electrodes have a built in EEPROM in which calibration data are read at start up and stored after calibration HI98230 and HI98240 can automatically analyze the data and advise the user if a problem is found with a clear message PROBE LIFE VERIFICATION At the end of calibration the meter checks if offset is between 30 and 30mV and the slope between 53 5 and 62 mV pH If the values are not within these parameters the message old probe scrolls across the LCD and the symbol is reported in the Last Calibration Data The electrode is still working but it will be necessary to perform a cleaning procedure see electrode cleaning and maintenance paragraph or replace it If the offset is outside the 60 and 60 mV range the dead probe message will scroll across the LCD and th
37. lectrolyte is less than 1 cm 4 below the fill hole add HI 7082 3 5M KCI electrolyte solution for double junction or HI 7071 3 5M KCI AgCI electrolyte solution for single junction electrodes For a faster response unscrew the fill hole screw during measurements For AmpHel electrodes If the electrode does not respond to pH changes the battery is run down and the electrode should be replaced MEASUREMENT Rinse the electrode tip with distilled water Immerse the tip 4 cm 1 in the sample and stir gently for approximately 30 seconds For faster response and to avoid cross contamination of the samples rinse the electrode tip with a few drops of the solution to be tested before taking measurements STORAGE To minimize clogging and ensure a quick response time the glass bulb and the junction should be kept always moist and not allowed to dry out 32 pH CALIBRATION SOLUTIONS HI 70004P pH 4 01 buffer solution 20 mL sachet 25 pcs HI 70007P pH 7 01 buffer solution 20 mL sachet 25 pcs HI 70010P pH 10 01 buffer solution 20 mL sachet 25 pcs HI 70041 pH 4 01 buffer solution 500 mL bottle HI 8004L pH 4 01 buffer solution 500 mL FDA bottle HI 70061 pH 6 86 buffer solution 500 mL bottle HI 80061 pH 6 86 buffer solution 500 mL FDA bottle HI 70071 pH 7 01 buffer solution 500 mL bottle HI 80071 pH 7 01 buffer solution 500 mL FDA bottle HI 80091 pH 9 18 buffer solution 500 mL FDA bottle
38. ogging and then press the ALT and TENG FNC keys The scrolling message Insert the function code or press ALT FNC to escape in the upper LCD and the indication F 00 with the first digit blinking in the lower LCD will be displayed Enter the first digit of the code of the parameter you want to set using the O or O key and pass to the next digit with O The second digit will start blinking Ce 6 CH Enter the second digit using the O or CX s key tFNC 1CAL Press ALT and CFM to confirm the code M gt ALT CFM If the entered code doesn t exist the Err message will be displayed for a few seconds and then the message Insert the function code or press ALT FNC to escape will recommence scrolling in the upper LCD code 40 Auto OFF code 41 Battery test code 50 Baud rate code 60 Release code code 70 Celsius or Fahrenheit code 99 Password Some of the most important functions are explained below in a step by step sequence TO SCAN LOGGED DATA CODE 00 Lot Data Printing Scrolling Select the code 00 The message Lot data Printing will scroll twice on LCD j b r e The upper LCD will then display LOO a ai with the 00 blinking F 0 Set the desired lot by the arrow keys LOO is the lot of data of the log on demand and LOT to L16 are the lots of the timed log Press the ALT and CFM keys to confirm the lot number If the lot
39. printing nor logging ALT TFNC RANGE 3 User is prompted to enter password if it has been set to a value different from 0000 otherwise skip to step 6 4 Enfer the password with the arrow keys 5 Press ALT and CFM to confirm the password or ALT and CAL to exit ALT CFM TAKING ORP MEASUREMENTS HI 98240 ONLY Connect the ORP electrode to the meter and press ON OFF to power on the instrument x The meter automatically sets the mV range ON OFF If the ORP electrode is not connected the LCD will display the no probe message and then dashed lines in place of the readings To take ORP measurements simply submerge the bottom 4 cm 114 of the ORP electrode in the solution to be tested stir gently and allow for the reading to stabilize The lower LCD displays the temperature reading or a dashed line if the ORP electrode is not provided with the temperature sensor By continuously pressing the RANGE key the following information will be displayed on the upper LCD Temperature reading If the ORP electrode is not provided with the temperature sensor a dashed line will be displayed Date Time Pressing RANGE again the meter returns to mV reading If measurements are taken successively in different samples it is recommended to rinse the electrode thoroughly with deionized water or if not available tap water first and then with some of the next sample to condition the electrode before immersing it in the sampl
40. s and the probes are warranted for a period of six months This warranty is limited to repair or replacement free of charge Damages due to accident misuse tampering or lack of prescribed maintenance are not covered If service is required contact the dealer from whom you purchased the instrument If under warranty report the model number date of purchase serial number and the nature of the failure If the repair is not covered by the warranty you will be notified of the charges incurred If the instrument is to be returned to Hanna Instruments first obtain a Returned Goods Authorization number from the Cus tomer Service department and then send it with shipping costs prepaid When shipping any instrument make sure it is properly packaged for complete protection All rights are reserved Reproduction in whole or in part is prohibited without the written consent of the copyright owner Hanna Instruments reserves the right to modify the design construction and appearance of its products without advance notice 38 0 6NVW 50 80 SALES AND TECHNICAL SERVICE CONTACTS Australia Tel 03 9769 0666 Fax 03 9769 0699 China Tel 10 88570068 Fax 10 88570060 Egypt Tel amp Fax 02 2758 683 Germany Tel 07851 9129 0 Fax 07851 9129 99 Greece Tel 210 823 5192 Fax 210 884 0210 Indonesia Tel 21 4584 2941 Fax 21 4584 2942 Japan Tel 03 3258 9565 Fax 03 3258 9567 Korea Tel 0
41. y reducing the old lots In this case the starting time date and the dimension of the old lot are updated Note The oldest lot data are erased without any warning message Note Timed logging memory can be entirely erased through the setup code 06 If the meter is powered only by the external power supply and there is a temporary power black out during logging when power returns the logging continues normally if no samples have been lost other wise the current lot is ended and a new lot starts If printer is enabled the Stop message will be printed In any case during scrolling the former lot will be preceded by the Interrupted Lot message and the latter by Continuation Lot to indicate the interruption LOG ON DEMAND Lot 00 When Log on demand data area is full the meter shows the FULL message to warn the user that the data are not stored in memory Erase the memory area through setup code 05 to continue logging data on demand 28 TEMPERATURE RESISTANCE CORRELATION FOR HANNA pH SENSITIVE GLASS The resistance of glass electrodes partially depends on the temperature The lower the temperature the higher the resistance It takes longer time for the reading to stabilize if the resistance is higher In addition the response time will suffer to a greater degree at temperatures below 10 C 9 PE 200 1x10 200 1x10 2x0 hl0 30 10 0 10 20 30
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