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26 

The DO calibration screen will be displayed and the standard 0% saturation (or 0 mg/L, depending 
on the currently selected measuring unit), will be automatically selected.

The hourglass icon will be shown on the display until the reading becomes stable.
When the reading is stable and within range of the selected standard, the 

CFM

 functional key is 

displayed. 

Press 

CFM

 to confirm the calibration point. 

Press 

ESC

 to leave calibration. The instrument will return to the main screen and will memorize the 

zero calibration data.

One point automatic slope calibration

It is suggested to perform the slope calibration in air. Allow the probe tip to dry.
Press 

CAL

. The calibration menu will be displayed. Press 

DO

 to select the DO calibration. The 100% 

saturation standard (or the 8.26 mg/L standard, according to the currently selected measuring unit), 
will be automatically selected.

The hourglass icon will be shown on the display until the reading becomes stable.
When the reading is stable and within range of the selected buffer, the 

CFM

 functional key is displayed. 

DO CALIBRA

TION PROCEDURE

www.tools.in.th 

www.neonics.co.th

Summary of Contents for HI98193

Page 1: ...INSTRUCTION MANUAL HI98193 Dissolved Oxygen BOD OUR SOUR Meter w w w t o o l s i n t h w w w n e o n i c s c o t h ...

Page 2: ... a precise idea of its versatility If you need additional technical information do not hesitate to e mail us at tech hannainst com or view our worldwide contact list at www hannainst com Dear Customer 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 w w w t o o l s i n t...

Page 3: ...ENT TEMPERATURE MEASUREMENT DO CALIBRATION PROCEDURE GOOD LABORATORY PRACTICE GLP SETUP LOGGING AutoEnd PRESSURE CALIBRATION TEMPERATURE CALIBRATION for technical personnel only PC INTERFACE BATTERIES REPLACEMENT PROBE MAINTENANCE TROUBLESHOOTING GUIDE ACCESSORIES 4 5 8 10 20 25 29 42 47 52 60 62 6 9 11 22 25 30 46 49 59 61 TABLE OF CONTENTS w w w t o o l s i n t h w w w n e o n i c s c o t h ...

Page 4: ...07A Membrane cap 2 pcs HI7040 Bicomponent Zero Oxygen Solution HI7041S Electrolyte solution 30 mL HI920015 Micro USB cable HI92000 PC Software DO protective cap 0 Rings 2 pcs 100 mL Plastic Beaker 2 pcs 1 5V AA Batteries 4 pcs Instruction manual and Quick Reference Guide Certificate Note Save all packing material until you are sure that the instrument functions correctly All defective items must b...

Page 5: ...s been greatly simplified when compared to other dissolved oxygen instruments It is provided with a series of new features which add entirely new dimensions to the measurement of DO by allowing the user to dramatically improve the reliability of the measurement One or two points automatic dissolved oxygen calibration One point manual dissolved oxygen calibration using a value in milligrams per lit...

Page 6: ... enter exit calibration mode 8 SETUP key to enter exit SETUP mode 9 RCL key to enter exit view logged data mode RCL means RECALL 10 MODE key to change DO measuring unit when in DO measurement mode or to toggle between standard and pressure in DO calibration 11 RANGE key to switch between DO BOD OUR AND SOUR 12 HELP key to enter exit contextual help 13 ESC key to leave current mode exit calibration...

Page 7: ...7 14 Electrode DIN connector 15 USB connector TOP VIEW FUNCTIONAL DESCRIPTION w w w t o o l s i n t h w w w n e o n i c s c o t h ...

Page 8: ...One or two point at any in range temperature value Pressure Calibration One point at any in range pressure value Temperature Compensation Automatic from 0 0 to 50 0 C 32 0 to 122 0 F Pressure Compensation Automatic from 450 to 850 mmHg Salinity Compensation Automatic from 0 to 70 g L DO Probe HI764073 Polarographic Probe LOG On demand 400 samples Battery Type Life 1 5V AA batteries 4 pcs approx 20...

Page 9: ...ed Cable 4 Polypropylene Probe Body 5 Temperature Sensor 6 O Ring Seal 7 Silver Chloride Anode 8 Platinum Cathode sensor 9 Oxygen Permeable PTFE Membrane 10 Membrane Cap PROBE FUNCTIONAL DESCRIPTION w w w t o o l s i n t h w w w n e o n i c s c o t h ...

Page 10: ...utes 3 Rinse the membrane cap HI76407A supplied in the kit with the meter with electrolyte solution while shaking it gently Refill with clean electrolyte solution 4 Tap gently the sides of the membrane cap with your finger tip to ensure that no air bubbles are trapped To avoid damaging the membrane do not tap it directly on the bottom 5 MakesurethattherubberO Ringsitsproperlyinsidethemembrane cap ...

Page 11: ...mentsclosetheUSBcommunicationsocketandallunused connector sockets with proper stopper to ensure waterproof protection Connect the DO probe to the 7 pin connector Make sure that the probe sleeve is properly inserted and tighten the threaded ring Turn the instrument ON by pressing ON OFF key Atstart upthedisplaywillshowtheHannalogoforafewseconds followedbythepercentageindication of the remaining bat...

Page 12: ...8 11 83 11 09 10 40 9 75 9 44 46 4 10 11 28 10 58 9 93 9 32 9 03 50 0 12 10 77 10 11 9 50 8 92 8 65 53 6 14 10 29 9 68 9 10 8 55 8 30 57 2 16 9 86 9 28 8 73 8 21 7 97 60 8 18 9 45 8 90 8 39 7 90 7 66 64 4 20 9 08 8 56 8 07 7 60 7 38 68 0 22 8 73 8 23 7 77 7 33 7 12 71 6 24 8 40 7 93 7 49 7 07 6 87 75 2 25 8 24 7 79 7 36 6 95 6 75 77 0 26 8 09 7 65 7 23 6 83 6 64 78 8 28 7 81 7 38 6 98 6 61 6 42 82...

Page 13: ...0 22 8 7 8 4 8 1 7 8 7 5 7 2 7 0 6 7 6 5 6 2 6 0 5 8 5 6 5 4 5 3 71 6 24 8 4 8 1 7 8 7 5 7 2 7 0 6 7 6 5 6 2 6 0 5 8 5 6 5 4 5 2 5 1 75 2 25 8 3 8 0 7 7 7 4 7 1 6 8 6 6 6 4 6 1 5 9 5 7 5 5 5 3 5 1 5 0 77 0 26 8 1 7 8 7 5 7 2 7 0 6 7 6 5 6 2 6 0 5 8 5 6 5 4 5 2 5 0 4 9 78 8 28 7 8 7 5 7 3 7 0 6 7 6 5 6 2 6 0 5 8 5 6 5 4 5 2 5 0 4 8 4 7 82 4 30 7 6 7 3 7 0 6 8 6 5 6 3 6 0 5 8 5 6 5 4 5 2 5 0 4 8 4 6...

Page 14: ...he tip of the probe into the sample to be tested Allow approximately one minute for the reading to stabilize hourglass symbol turns off On the screen are displayed Dissolved Oxygen reading in the selected unit saturation or mg L Temperature reading in the selected unit C or F Pressure reading in the selected unit mmHg inHg atm psi kPa mbar If the Manual Pressure option is enabled displayed in fron...

Page 15: ... been made for the degree of dilution is called the BOD5 Before measuring BOD remember to set the BOD configuration from the SETUP menu see page 30 Press RANGE to access the BOD measurement screen Press BOD Data to view the BOD initial data management screen Press Compute to evaluate the BOD for a specified sample available only when the measurement is stable and at least one initial BOD data reco...

Page 16: ... selected parameter s value Press Save to save the BOD parameters and the initial DO temperature pressure and salinity values for the specified bottle If a bottle with the same ID already exists the instrument will ask for replacement confirmation Press Replace to replace the existing record or ESC to return to the previous screen without replacing When a new record is saved the meter will display...

Page 17: ... exit If Delete All is pressed the instrument asks for confirmation Press CFM to confirm or ESC to exit without deleting BOD evaluation From the BOD measure screen press Compute to evaluate the BOD for a specified sample The following screen will be displayed If the date of the current measurement is previous to the date of the selected measurement then the Eval BOD key will not be displayed Press...

Page 18: ...us screen without replacing Iftheconditionsregardingthetimedifferencearemet afterpressingtheEval BOD key the instrument will display the computed BOD value Press LOG to save the BOD result Press ESC to return to the BOD measure screen If the final DO reading or DO loss doesn t meet the criteria for BOD measurements set from the instrument s setup a warning message will be displayed Press any key t...

Page 19: ...e information about the BOD of a certain seed doesn t exist at the moment of the BOD evaluation for a seeded sample the sample s BOD can be corrected at a later time from the BOD recall menu view logged BOD data In order to perform a seed correction from the BOD recall press RCL key from the BOD measurement screen to enter BOD recall select the desired BOD record and press More The instrument will...

Page 20: ...uration from the SETUP menu page 30 OUR measurement screen Press Start to begin a new OUR test If the DO value is less than the minimum start DO value the meter will display an error message and the test cannot be started If the minimum start DO condition is met the instrument will display the instantaneous oxygen consumption rate and the amount of time that has passed from the beginning of the te...

Page 21: ... data regarding the OUR test Press Start to begin a new OUR test Notes If at the end of the test the DO reading is less than the minimum end DO value set during OUR configuration a warning message will be displayed Press any key to clear the message from the screen or press HELP to view detailed information about the warning If the DO value at the end of the test is greater than the DO value from ...

Page 22: ...he SOUR value is corrected to 20 C 68 F according to the Farrel and Bhide equation SOUR20 SOURT xΘ 20 T Where T is the measured temperature in C and Θ is a temperature dependent variable Θ 1 05 for T above 20 C Θ 1 07 for T below 20 C Thiscalculationisvalidonlyfortemperaturevaluesintherange10to30 C Temperaturecorrectionis performedonlyiftheoptionSOUR 20 CisenabledfromSOURconfigurationinthesetupmen...

Page 23: ...ert that the temperature correction isn t valid If the DO reading is less than the minimum end DO value set during SOUR configuration a warning icon will be displayed and a beep will be heard every two seconds Press Stop to stop the test and the beeper To end the SOUR test before the maximum interval set during SOUR configuration press Stop If Stop is pressed before the minimum time for the SOUR t...

Page 24: ...ssage will be displayed Press any key to clear the message from the screen or press HELP to view detailed information about the warning If the DO value is greater than the DO value from the beginning of the test an error message will be displayed Press Start to begin a new SOUR test or ESC to return to the SOUR measure screen SOUR MEASUREMENT w w w t o o l s i n t h w w w n e o n i c s c o t h ...

Page 25: ...t by the user in saturation or mg L When automatic calibrations are performed it is assumed that the standard value is the saturated DO value at 25 C 0 g L salinity and 760 mmHg When manual calibrations are performed it is assumed that the standard value is the DO value at the current pressure temperature and salinity Make sure the probe is ready for measurements see probe connection and preparati...

Page 26: ... to the main screen and will memorize the zero calibration data One point automatic slope calibration It is suggested to perform the slope calibration in air Allow the probe tip to dry Press CAL The calibration menu will be displayed Press DO to select the DO calibration The 100 saturation standard or the 8 26 mg L standard according to the currently selected measuring unit will be automatically s...

Page 27: ...y until the reading becomes stable When the reading becomes stable within an acceptable range of the selected standard the CFM functional key is displayed Press CFM to confirm the calibration point The instrument will return to the main screen and will memorize the calibration data One point manual calibration First determine the dissolved oxygen value of the sample use a Winkler titration Place t...

Page 28: ...y will be active only for 5 seconds after accessing the DO calibration screen and afterwards it will be replaced by the Pressure Standard functional key If the DO value measured by the instrument is not within range of the selected standard the Wrong standard error message will be shown on the display and the calibration can t be confirmed Press CFM to confirm the calibration point The instrument ...

Page 29: ...r the last calibration However if at any moment the expiration value is changed e g to 5 days then the alarm will be immediately recalculated and appear 5 days after the last calibration Notes Whentheinstrumentisnotcalibratedorthecalibrationiscleared defaultvaluesloaded there is no Expired Calibration and the display always shows the CAL DUE tags blinking When an abnormal condition in the RTC is d...

Page 30: ... 00 mg L 0 00 mg L 0 00 mg L OUR Configuration Min time Max time Min start DO Min end DO Total volume Sample volume The minimum time for the OUR test The maximum time for the OUR test The minimum DO value for starting the OUR test The minimum DO value at the end of the OUR test The total volume of the solution to be tested The volume of sample in the solution to be tested 1 to 3600 sec 1 to 3600 s...

Page 31: ...isabled Disabled Manual pressure Set the pressure value using the keys Enabled or disabled Disabled Pressure unit mmHg inHg atm mbar psi kPa mmHg Temperature unit C or F C Backlight Backlight Level 0 to 7 4 Contrast Contrast Level 0 to 20 10 Auto light off Time backlight remains ON 1 5 10 30 1 Auto power off Time until instrument is powered OFF Disabled 5 10 30 60 30 Date Time 01 01 2006 to 12 31 ...

Page 32: ...displayed after Calibration timeout period has elapsed since the previous calibration PARAMETER SCREENS SETUP Language Message display language Up to 3 languages English Beep ON Beeper Status Enabled or Disabled Disabled Instrument ID Instrument identification 0000 to 9999 0000 Baud Rate Serial Communication to PC 600 1200 2400 4800 9600 9600 Meter Information Displays general information w w w t ...

Page 33: ... the minimum acceptable difference between the initial and final DO values for a seed sample If the difference is less than this value the meter will show a warning message when evaluating the BOD Range 0 00 to 50 00 mg L Seed min end DO the minimum acceptable final DO value is less than this value the meter will show a warning message when evaluating the BOD Range 0 00 to 50 00 mg L SETUP Use key...

Page 34: ...ge 0 01 to 50 00 mg L Min end DO the minimum accepted DO value at the end of the test If the DO reading at the end of the OUR test is less than this value a warning message will be displayed Range 0 00 to 50 00 mg L Total volume the volume of the diluted mixture Range 0 1 to 300 0 mL Sample volume the volume of sample in the diluted mixture Range 0 1 to 300 0 mL Press Prev Next to select a differe...

Page 35: ... SOUR test is less than this value a warning message will be displayed Range 0 00 to 50 00 mg L Total vol the volume of the diluted mixture Range 0 1 to 300 0 mL Sample vol the volume of sample in the diluted mixture Range 0 1 to 300 0 mL Solids weight Total solids or Volatile suspended solids weight Range 0 1 to 300 0 g L SOUR 20 C If this option to enabled the SOUR value is corrected to 20 C Pre...

Page 36: ...Data Highlight Autodelete BOD start data Press the displayed functional key to enable disable the feature If enabled the BOD initial data record used in BOD result evaluation is deleted automatically after the BOD result has been saved into the instrument s memory LOG key pressed If disabled the user has to delete BOD initial data records that were used in BOD result evaluation entering View initi...

Page 37: ...t changing Contrast Highlight Contrast Press Modify Use keys to highlight the desired pressure unit Press Accept to confirm or ESC to exit without saving Temperature Unit Highlight Temperature Unit Press the displayed functional key in order to change the temperature unit SETUP w w w t o o l s i n t h w w w n e o n i c s c o t h ...

Page 38: ...ption Auto power off Highlight Auto power off Press Modify Use keys to select interval then press Accept Use keys to change intensity then press Accept to confirm Press ESC to leave without changing Press ESC to leave without changing SETUP w w w t o o l s i n t h w w w n e o n i c s c o t h ...

Page 39: ...ify Date Time Highlight Date Time Press Modify Use keys to select item Use keys to change the focused values Press Accept to confirm the new setting or ESC to leave without changing Use keys to select date format then press Accept Press ESC to leave without changing SETUP w w w t o o l s i n t h w w w n e o n i c s c o t h ...

Page 40: ...incalibration Instrument ID Highlight Instrument ID Press Modify Use keys to change the instrument s ID Press Accept to confirm or ESC to exit without saving Language Highlight Language Use the desired functional key to change the option Wait until the new language is loaded If any language can be loaded the instrument will work in safe mode In this mode all messages are displayed in English and H...

Page 41: ...aud Press Accept to confirm or ESC to exit Meter Information Highlight Meter Information Press Select The meter information is displayed Firmware version Language version DO and Temperature factory calibration date time Battery Capacity SETUP w w w t o o l s i n t h w w w n e o n i c s c o t h ...

Page 42: ...y for a few seconds the record number and the amount of the free log space in If the LOG space is full the Log space is full message will be displayed for a few seconds when Log key is invoked Enter View Logged Data mode and delete records in order to free log space VIEW LOGGED DATA Press RCL to retrieve the stored information while in measurement mode for the specific range DO BOD OUR SOUR The li...

Page 43: ...lete All to enter Delete All screen Press Delete to enter Delete records screen Press More to view more information of the focused record If More is pressed a complete set of information is displayed Press Pg Up or Pg Down to toggle between information screens DO recall BOD recall LOGGING w w w t o o l s i n t h w w w n e o n i c s c o t h ...

Page 44: ... key will be displayed if the BOD result was not seed corrected Note Foraseedcorrectedsample thelastpagewillshowtheSeedbottleIDusedforcorrection OUR recall SOUR recall Note In case that the SOUR value was corrected to 20 C the message 20 C will be displayed before the SOUR value LOGGING w w w t o o l s i n t h w w w n e o n i c s c o t h ...

Page 45: ...e displayed If Delete is pressed Use key to highlight the record to be deleted and then press CFM Press ESC to exit If Delete All is pressed the instrument asks for confirmation Press CFM to confirm or ESC to exit without deleting LOGGING w w w t o o l s i n t h w w w n e o n i c s c o t h ...

Page 46: ...ment is in DO measurement mode The Wait symbol will blink until the reading is stable When the reading is stable Hold icon will be displayed Press Continue at any moment in order to enter continuous reading mode AUTOEND w w w t o o l s i n t h w w w n e o n i c s c o t h ...

Page 47: ...y measure mode DO BOD OUR or SOUR The calibration menu will be displayed Press Pressure functional key to select the pressure calibration The pressure calibration screen will be displayed Using the keys enterthetruelocalbarometric pressurereadfromthereferencebarometer Do NOTusethepressurereportedbytheweatherbureau Weatherbureauscorrectpressurestosealevel When the reading is stable within range of ...

Page 48: ...ll return to the main screen If the measured pressure is too far from the calibration point the Wrong pressure error message will be shown on the display and the calibration can t be confirmed Verify if the value read from the reference barometer was entered correctly Contact the Hanna Service Department if calibration cannot be performed PRESSURE CALIBRATION w w w t o o l s i n t h w w w n e o n ...

Page 49: ...e mode DO BOD OUR or SOUR The calibration menu will be displayed Press the T functional key to select the temperature calibration Prepare a vessel containing ice and water and another one containing hot water at approximately 50 C or 122 F Place insulation material around the vessels to minimize temperature changes Use a calibrated thermometer with a resolution of 0 1 C as a reference thermometer ...

Page 50: ...ossible to the reference thermometer Allow a few seconds for the probe to stabilize Usethe keytosetthecalibrationpointvaluetothatmeasuredbythereferencethermometer When the reading is stable and within range of the selected calibration point the CFM functional key is displayed Press CFM to confirm The instrument will return to the main screen TEMPERATURE CALIBRATION for technical personnel only w w...

Page 51: ...ure reading value change the probe and restart calibration If calibration cannot be performed contact Hanna Service If a temperature calibration has been previously performed it is possible to erase the calibration by pressing the Clear functional key The Calibration cleared message will be displayed for a few seconds and the meter will return to the main screen For one point calibration press ESC...

Page 52: ...nstrument to a PC start the terminal program and set the communication options as follows 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 a selectable 16 ASCII character command is the command code Note Either small or capital letters can be used SIMPLE COMMANDS KF1 Is equivalent to pressing functional...

Page 53: ...sum of the answer string sent as 2 ASCII characters All the answer messages are with ASCII characters RAS Causes the instrument to send a complete set of readings in according with the current range DO temperature and pressure on the DO and BOD range DO temperature pressure OUR SOUR value OUR SOUR test time on the OUR SOUR range BOD result start DO value and end DO value when in the BO result scre...

Page 54: ...SOUR measure mode 4 chars The following values are sent only for mode 25 BOD reading including sign and decimal point 8 chars initial DO value including sign and decimal point mg L 6 chars final DO value including sign and decimal point mg L 6 chars MDR Requests the instrument model name and firmware code 16 ASCII chars GLP Requests the calibration data record The answer string contains the number...

Page 55: ...minimum end DO including sign and decimal point 6 chars OUR configuration values minimum time in seconds 4 chars maximum time in seconds 4 chars minimum start DO including sign and decimal point 6 chars minimum end DO including sign and decimal point 6 chars total volume including sign and decimal point 6 chars sample volume including sign and decimal point 6 chars SOUR configuration values minimu...

Page 56: ...mand LODSALL Requests all the SOUR log on demand LODIALL Requests all the initial BOD values log The answer string for each record contains The logged mode 2 chars 20 DO range 21 BOD range 22 OUR range 23 SOUR range 24 BOD initial values DO log data Measurement unit 0 1 mg L 1 char DO value including sign and decimal point 8 chars Salinity value g L 3 chars Pressure value in mmHg including sign an...

Page 57: ...ecimal point 11 chars Start temperature value including sign and decimal point 8 chars End temperature value including sign and decimal point 8 chars Total volume including sign and decimal point ml 6 chars Sample volume including sign and decimal point ml 6 chars Delta time s 4 chars OUR value including sign and decimal point mg L h 8 chars SOUR log data Start DO value including sign and decimal ...

Page 58: ...6 chars Salinity value g L 3 chars Pressure value in mmHg including sign and decimal point 11 chars Temperature value including sign and decimal point 8 chars Log time yy mm dd hh mm ss 12 chars Notes Err8 is sent if the instrument is not in measurement mode Err6 is sent if the requested range is not available Err4 is sent if the requested set parameter is not available Err3 is sent if the Log on ...

Page 59: ...attention to the correct polarity Close the battery compartment using the four screws If the battery capacity is less than 20 the serial communication and the backlight feature are not available Note The instrument is provided with the BEPS Battery Error Prevention System feature which automatically turns the instrument off when the batteries level is too low to ensure reliable readings BATTERIES ...

Page 60: ...e membrane cap clockwise Some electrolyte will overflow ThePlatinumcathode 8intheProbeFunctionalDescriptionpage9 should always be bright and untarnished If it is tarnished or stained the cathode should be cleaned You can use a clean lint free paper towelorcloth Rubthecathodeverygentlysidetoside4 5times This will be enough to polish and remove any stains without damaging the platinum tip Afterwards...

Page 61: ...s blocked Check the keyboard or contact your local office Err xx message displayed at startup Internal error Contact your local office or any Hanna Service Center Meter shuts off Dead accumulators Auto Power Off feature is enabled in this case meter shuts off after selected period of non use Recharge accumu lators or replace accumulator Press ON OFF The instrument does not start when pressing ON O...

Page 62: ...0 to 302 F HI7040L Zero Oxygen Solution HI7041S Refilling Electrolyte Solution 30 mL HI764073 Spare probe with 4 meter 13 4 cable HI76407A P Spare membranes 5 pcs HI92000 Windows compatible software application HI920015 Micro USB cable w w w t o o l s i n t h w w w n e o n i c s c o t h ...

Page 63: ... burns do not perform any measurement in microwave ovens TheHI98193iswarrantedfortwoyearsagainstdefectsinworkmanshipandmaterials when used for their intended purpose and maintained according to instructions Electrodes and probes are guaranteed for six months This warranty is limited to repair or replacement free of charge Damage due to accidents misuse tampering or lack of prescribed maintenance i...

Page 64: ...land Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com Local Office Hanna Instruments USA 270 George Washington Highway Smithfield RI 02917 Phone 800 426 6287 Fax 401 765 7575 e mail tech hannainst com w w w t o o l s i n t h w w w n e o n i c s c o t h ...

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