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Dissolved Oxygen

BOD/OUR/SOUR

Meter

HI 98186

Instruction Manual

www.hannainst.com

HI 98186

Dissolved Oxygen Meter

Summary of Contents for HI 98186

Page 1: ...1 Dissolved Oxygen BOD OUR SOUR Meter HI 98186 Instruction Manual www hannainst com HI 98186 Dissolved Oxygen Meter...

Page 2: ...henusedforits intendedpurposeandmaintained 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...

Page 3: ...BE FUNCTIONAL DESCRIPTION 9 PROBE CONNECTION AND PREPARATION 10 OPERATIONAL GUIDE 11 OURMEASUREMENT 21 SOURMEASUREMENT 24 TEMPERATUREMEASUREMENT 27 DO CALIBRATION PROCEDURE 27 GOOD LABORATORY PRACTICE...

Page 4: ...wing 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 milligr...

Page 5: ...her features include Log on demand up to 400 samples Auto Hold feature to freeze first stable reading on the LCD GLP feature to view last calibration data PC interface Hanna Instruments reserves the r...

Page 6: ...enter exit calibration mode 6 RCL key to enter exit view logged data mode 7 SETUP key to enter exit SETUP mode 8 ON OFF key to turn the instrument ON and OFF 9 GLP key to display Good Laboratory Prac...

Page 7: ...7 Top view Top view Top view Top view Top view DO USB 14 15 14 Electrode DIN connector 15 USB connector...

Page 8: ...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 F 0 2 2 1 o t 0 2 3 C 0 0 5 o t 0 0 n o i t a s n e p m o C e r u s s e r P g H m m 0 5 8 o t 0 5 4 m o r f c i t a m o t u A n o...

Page 9: ...CTIONAL DESCRIPTION PROBE FUNCTIONAL DESCRIPTION PROBE FUNCTIONAL DESCRIPTION PROBE FUNCTIONAL DESCRIPTION PROBE FUNCTIONAL DESCRIPTION 1 D O Probe 2 Protective Cap 3 Watertight Shielded Cable 4 Polyp...

Page 10: ...plied in the kit with the meter with electrolytesolutionwhileshakingitgently Refillwithcleanelectrolytesolution 4 Tap gently the sides of the membrane cap with your finger tip to ensure that no air bu...

Page 11: ...t off after a set period default 30 min if no button is pressed To set another period or to disable this feature see SETUP menu on page 33 Theauto offbacklightfeatureturnsthebacklightoffafterasetperio...

Page 12: ...7 7 0 1 1 1 0 1 0 5 9 2 9 8 5 6 8 6 3 5 4 1 9 2 0 1 8 6 9 0 1 9 5 5 8 0 3 8 2 7 5 6 1 6 8 9 8 2 9 3 7 8 1 2 8 7 9 7 8 0 6 8 1 5 4 9 0 9 8 9 3 8 0 9 7 6 6 7 4 4 6 0 2 8 0 9 6 5 8 7 0 8 0 6 7 8 3 7 0 8...

Page 13: ...0 8 6 2 2 7 8 4 8 1 8 8 7 5 7 2 7 0 7 7 6 5 6 2 6 0 6 8 5 6 5 4 5 3 5 6 1 7 4 2 4 8 1 8 8 7 5 7 2 7 0 7 7 6 5 6 2 6 0 6 8 5 6 5 4 5 2 5 1 5 2 5 7 5 2 3 8 0 8 7 7 4 7 1 7 8 6 6 6 4 6 1 6 9 5 7 5 5 5 3...

Page 14: ...he tip of the probe into the sample to be tested Allow approxi mately one minute for the reading to stabilize hourglass symbol turns off On the screen are displayed Dissolved Oxygen reading in the sel...

Page 15: ...or dissolved oxygen DO after five days The loss of dissolvedoxygeninthesample oncecorrectionhavebeenmadeforthedegree of dilution is called the BOD5 Before measuring BOD remember to set the BOD configu...

Page 16: ...cannot be set Seed Volume the volume of seed in the BOD bottle Range 0 0 to 300 0 mL Press Prev Next to select a different parameter on the screen Press ARROW keys to modify the selected parameter s v...

Page 17: ...o view detailed information for the selected record Press PgUp Pg Down to view the next previous screen of information Use the ARROW keys to view the detailed information about the next previous recor...

Page 18: ...urrent reading and the selected reading is less than 1 day the instrument will ask for record replacement confirmation and the BOD can t be evaluated Press CFM to replace the selected record s DO temp...

Page 19: ...saved seed BOD values Select the desired seed BOD and then press Correct to compute the corrected BOD value The instrument will display the corrected BOD value IftheinformationabouttheBODofacertainsee...

Page 20: ...20 Note If the final DO value is greater than the initial DO value an error message will be displayed...

Page 21: ...test tELAPSED Elapsed time of test in seconds total volume sample volume Dilution factor of sample Before starting an OUR test remember to set the OUR configuration from the SETUP menu page 33 OUR mea...

Page 22: ...sed the instrument will display a warning message Press Resume to continue the test or Stop to end the test At the end of the test the meter will display the computed OUR value and the duration of the...

Page 23: ...e DO value at the end of the test is greater than the DO value from the beginning of the test an error message will be displayed Press Start to begin a new OUR test or ESC to return to the OUR measure...

Page 24: ...see equation on pag 20 Solids Weight is the Total solids or the Volatile suspended solids weight in g L Temperature correction The SOUR value is corrected to 20 C 68 F according to the Farrel and Bhid...

Page 25: ...d temperature isn t in the range 10 to 30 C the temperature value will blink to alert that the temperature correction isn t valid If the DO reading is less than the minimun end DO value set during SOU...

Page 26: ...O reading is less than the minimun end DO value set during SOUR configuration a warning message will be displayed Press any key to clear the message from the screen or press HELP to view detailed info...

Page 27: ...n or 0 mg L one point automatic slope calibration at 100 saturation or 8 26 mg L 2 points automatic calibration at 0 saturation 0 mg L and 100 saturation 8 26 mg L 1 point manual calibration using a s...

Page 28: ...e to 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...

Page 29: ...shown on the display until the reading becomes stable When the reading is stable and close to the selected standard the CFM functional key is displayed Press CFM to confirm the calibration point The m...

Page 30: ...he selected buffer 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 calibra tion data Notes If the man...

Page 31: ...reen and afterwards it will be replaced by the Pressure Standard functional key If the DO value measured by the instrument is not close to the selected standard the Wrong standard error message will b...

Page 32: ...ample if a 4 days time out 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 t...

Page 33: ...DO value 0 00 to 50 00 mg L 0 00 mg L endDO OUR Configuration Mintime The minimum time for the 1 to 3600 sec 1 s OUR test Maxtime The maximum time for the 1 to 3600 sec 3600 sec OUR test MinstartDO Th...

Page 34: ...nit mmHg mmHg inHg atm mbar psi kPa Temperatureunit Cor F C Backlight Backlight Level 0 to 8 4 Contrast ContrastLevel 0 to 20 10 AutoLightOff TimeuntilbacklightisON 1 5 10 30 5 AutoPoweroff Time after...

Page 35: ...out Focus on the Calibration Timeout item PressModify Use the ARROW keys to set the desired value Press Accept to confirm or ESC to return without saving Note If enabled CAL DUE warning will be displa...

Page 36: ...warning message when evaluating the BOD Range 0 00 to 50 00 mg L SeedminD DO theminimumacceptabledifferencebetweentheinitial and final DO values for a seed sample If the difference is less than this v...

Page 37: ...00 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 01 to...

Page 38: ...UR test If the DO reading is less than this value the test cannot be started Range 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 th...

Page 39: ...by the user while in measurement screen using ARROW keys Pressure unit Focus on Pressure unit item PressModify Use ARROW keys to focus on the desired pressure unit Press Accept to confirm or ESC to ex...

Page 40: ...change intensity then press Accept to confirm Press ESC to leave without changing Temperature unit Focus on the Temperature unit option Press the displayed functional key in order to change the tempe...

Page 41: ...the option AutoPowerOff Focus on the AutoPowerOff item PressModify Use ARROW keys to select interval then press Accept Press ESC to leave without changing Date Time Focus on the Date Time item Use ke...

Page 42: ...ept to confirm the new setting or ESC to leave without changing Time Format Focus on the Time Format item Press functional key to change the option Date Format Focus on the Date Format item PressModif...

Page 43: ...condition is detected while in calibration Instrument ID Focus on the Instr ID item PressModify Use ARROW keys to change the instrument s ID Press Accept to confirm or ESC to exit without saving Langu...

Page 44: ...t the desired communication baud Press Accept to confirm or ESC to exit Meter Information Focus on the Meter information item Press Select The meter informations are displayed firmwareversion language...

Page 45: ...isplays 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 E...

Page 46: ...scroll the list of records Press Delete 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 compl...

Page 47: ...S C message in the title bar means seed not corrected The Correct functional key will be displayed if the BOD result was not seed corrected Note For a seed corrected sample on last page will be shown...

Page 48: ...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 To freeze the first stable reading on the LCD p...

Page 49: ...any 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...

Page 50: ...be displayed for a few seconds and the meter will 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 displa...

Page 51: ...ion can be performed in 1 or 2 points It is better to perform a 2 points calibration The calibration can be performed in any two points that have at least 25 C distance between It is recommended that...

Page 52: ...e selected calibration point the CFM functional key is displayed Press CFM to confirm The second expected calibration point is displayed Immerse the DO probe into the second vessel as close as possibl...

Page 53: ...rease the temperature of the vessel with hot water in order to be acceptable If the WRONG source is the temperature reading change the probe and restart calibration If calibration cannot be performed...

Page 54: ...th any terminal program Use an USB cable to connect the instrument 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...

Page 55: ...ument will answer for these commands with STX answer checksum ETX wherethechecksumisthebytessumoftheanswerstringsentas2ASCIIcharacters All the answer messages are with ASCII characters RAS Causes the...

Page 56: ...rature including sign and decimal point 8chars pressure value including sign and decimal point always in mmHg 11 chars OUR SOUR reading including sign and decimal point sent only if in OUR SOUR measur...

Page 57: ...1 if activated 0 otherwise Auto Light off time 3 chars Auto Power off time 3 chars Salinity value 3 chars Pressure unit 1 char 0 mmHg 1 inHg 2 atm 3 mbar 4 psi 5 kPa BOD configuration values sample mi...

Page 58: ...ODDxxx Requests the xxx th DO logged data LODBxxx Requests the xxx th BOD logged data LODOxxx Requests the xxx th OUR logged data LODSxxx Requests the xxx th SOUR logged data LODIxxx Requests the xxx...

Page 59: ...oint 8 chars End temperature value including sign and decimal point 8 chars Start DO value including sign and decimal point mg L 8 chars End DO value including sign and decimal point mg L 8 chars Seed...

Page 60: ...s Sample volume including sign and decimal point ml 6 chars Delta time s 4 chars SOUR value including sign and decimal point mg h g 8 chars Solids weight including sign and decimal point g L 6 chars S...

Page 61: ...surement 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 demand is empty Err9 is sent if the battery p...

Page 62: ...ilable To replace the rechargeable batteries follow the next steps Turn OFF the instrument Unscrew the screw from the bottom side of the instrument Remove the battery holder and the old batteries Inse...

Page 63: ...rging the batteries The measurements can be affected by the recharging process Batteries recharging must only take place in a non hazardous area using the HI 710042 inductive recharger WARNING Do not...

Page 64: ...r tip to ensure that no air bubbles remain trapped Do not tap directly the bottom with your finger as this will damage the mem brane Make sure that the rubber O ring sits properly inside the membrane...

Page 65: ...y e k e h t k c e h C r u o y t c a t n o c r o r e l a e d x x r r E e g a s s e m p u t r a t s t a d e y a l p s i d r o r r e l a n r e t n I r e l a e d r u o y t c a t n o C a n n a H y n a r o...

Page 66: ...embrane cap ACCESSORIES ACCESSORIES ACCESSORIES ACCESSORIES ACCESSORIES ChecktempC Electronic thermometer range 50 0 to 150 0 C ChecktempF Electronic thermometer range 58 0 to 302 F HI7040M Zero Oxyge...

Page 67: ...to follow all necessary steps to correct inter ferences During operation ESD wrist straps should be worn to avoid possible damage to the electrode by electrostatic discharges Any variation introduced...

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