Hanna Instruments HI 93414, Instruction Manual

Page 1: ...1 www hannainst com HI 93414 Turbidity and Free Total Chlorine Meter Instruction Manual ...

Page 2: ...To validate your warranty fill out and return the enclosed warranty card within 14 days from the date of purchase WARRANTY Dear Customer Thank you for choosing a Hanna Instruments product This manual will provide you with the necessary information for correct use of the instrument Please read this instruction manual carefully before using the instrument If you need additional technical information...

Page 3: ...ith Five Sample Cuvets and Caps Calibration Cuvets for turbidimeter Calibration Cuvets for colorimeter Silicone Oil Tissue for wiping the cuvets Five Tag holders with Tags HI 920005 Scissors Batteries 4 pcs AC Adapter Instruction Manual Instrument Quality Certificate Rigid carrying case Note Save all packing material until you are sure that the instrument works correctly Any defective item must be...

Page 4: ...nt or signal averaging measurement can be selected Free or Total Chlorine measurements can be made in the 0 00 to 5 00 mg L ppm range With the powerful CAL CHECK function the good performance of the instrument can be validated at any moment by using the exclusive Hanna ready made NIST traceable standards Calibration can be performed at any time for turbidity and for colorimetric range For turbidit...

Page 5: ... iButton serial number time and date stamp The power of the T I S feature resides in the PC application Download all test data to your PC and use our HI 92000 Windows compatible application software for further data management You can sort or filter all your collected test data on different criteria like on a specific sampling location parameter date and time intervals or fix range to filter measu...

Page 6: ... This optical system includes a tungsten filament lamp a scattered light detector 900 and a transmitted light detector 1800 For the colorimeter range the optical system is based on the turbidimeter tungsten lamp and a separate detector with a narrow band interference filter 525 nm to guarantee both high performance and reliable results for colorimetric measurements For the turbidimeter range the m...

Page 7: ... units is shown bellow COLORIMETER Absorption of light is a typical phenomenon of interaction between electromagnetic radiation and matter When light beam crosses a substance some of the radiation may be absorbed by atoms molecules or crystal lattices If pure absorption occurs the fraction of absorbed light depends both on the optical path length through the matter and on the physical chemical cha...

Page 8: ...und from a specific chemical reaction between sample and reagents Given that the absorption of a compound strictly depends on the wavelength of the incident light beam a narrow spectral bandwidth should be selected as well as a proper central wavelength to optimize measurements The measurement process is carried out in two phases first the instrument is zeroed and then the actual measurement is pe...

Page 9: ...k matching the case mark 3 Liquid Crystal Display LCD The LCD has backlight for better visibility in dark environments 4 Keypad Splash proof resistant 5 Lamp connector Connect the new lamp using a screwdriver during lamp changing procedure 6 Lamp Replaceable tungsten lamp 7 Battery Lid Remove the battery lid in order to change batteries or replace the lamp KEYPAD DESCRIPTION ...

Page 10: ...3 seconds to enter the GLP feature 14 LOG CFM press to save the log records In SETUP it is used to confirm the selected option 15 READ TIMER press to start a measurement Press and hold to make a continuous measurement in turbidimeter range In colorimeter range press for 3 seconds to start the timer for free and total chlorine measurement In Log Recall it is used to see the content of a record In G...

Page 11: ...he turbidity is measured in NTU When average mode or continuous mode is selected the NTU tag blinks at each new displayed value For conversions in other units see Measurement Units section on page 7 Free Total Chlorine are measured in mg L is used to display the remaining batteries life 7 AVG icon When selected in turbidimeter range only the measurement will be made in average mode The NTU tag bli...

Page 12: ...PA Method 108 1 and Standard Method 2130 B Measuring mode Normal Average Continuous Turbidity Standards 0 1 15 100 and 750 NTU Calibration Two three or four point calibration Free and total Chlorine Range Free Cl2 0 00 to 5 00 mg L Total Cl2 0 00 to 5 00 mg L Resolution 0 01 mg L from 0 00 to 3 50 mg L 0 10 above 3 50 mg L Accuracy 0 02 mg L 1 00 mg L Typical EMC Deviation 0 02 mg L Detector Silic...

Page 13: ...0 x 90mm LCD with backlight LOG Memory 200 records Serial Interface RS232 or USB 1 1 Environment to 50 C 122 F max 95 RH non condensing Power supply 4 x 1 5V AA alkaline batteries or AC adapter Auto Shut off After 15 minutes of non use Dimensions 224 x 87 x 77 mm 8 8 x 3 4 x 3 0 Weight 512g 18 oz ...

Page 14: ...ter Allow cuvets to air dry and store them for long periods of time with caps to avoid dirt entering inside Always handle the cuvet by touching only the cap or its top side over the horizontal line Always store the cuvets in separate boxes or with separators between them to avoid scratches on the surface CUVET PREPARATION Whenever a cuvet is used it must be clean inside and outside When it is plac...

Page 15: ...red together with the silicone oil bottle and cuvets taking care to avoid contamination with dirt After a few oiling procedures the cloth will contain enough oil to wipe the bottle with it without adding more oil From time to time add some drops of oil on the cuvet to provide the necessary oil quantity in the cloth INDEXING A CUVET It is very important for low turbidity readings to always insert t...

Page 16: ...ng Opentheinstrumentlid slightlyrotatethecuvet and take a new reading Repeat the last step until you read the lowest NTU value Alternatively keep the READ TIMER pressedand afterthefirstvalueisdisplayed open the lid and start rotating the cuvet until the lowest NTU value is displayed Mark this position on the thicker white band on the top of the cuvet with a water resistant pencil Always use this p...

Page 17: ...ment and press READ TIMER Record the reading Record the position of the cuvet and the displayed reading Mark this position on the thicker white band on thetopofthecuvetwithawaterresistantpencil Insert the second cuvet into the instrument and take a reading MATCHING MULTIPLE CUVETS Precise measurements require the use of a single cuvet If it is not possible cuvet selection and matching must be perf...

Page 18: ... a pipe discard the first few liters If measuring a non uniform source collect samples from different places and mix them When measuring the collected sample keep in mind the following Samples should be analyzed immediately after collection because the turbidity can change in time To avoid dilution of the sample it is better to rinse the cuvet with a quantity of sample and then discard Only after ...

Page 19: ...he sample because the surfactant may foam If you are using the same cuvet rinse it before adding a new sample in order to avoid surfactant accumulation Surfactant contribution to the turbidity readings is negligible Note Surfactant addition should be used for degassing only when other methods are ineffective USE OF AN ULTRASONIC BATH The ultrasonic waves are very effective in removing air bubbles ...

Page 20: ...et correctly The liquid in the cuvet forms a convexity on the top the bottom of this convexity must be at the same level with the 10 mL mark To open the powder reagent pack a use scissors to open the powder packet b push the edges of the packet to form a spout c pour the content of the packet Do not let the reacted sample to stand too long after reagent is added or accuracy will be lost All the re...

Page 21: ...h between the existing ranges press RANGE The selected range will be briefly displayed on the primary LCD and the instrument will enter in the new range The selection is circular the total chlorine range is followed by the turbidity range If the current time is hidden the selected range is displayed on the secondary LCD as turb F Cl or t Cl IfthecurrenttimeisdisplayedontheLCD a range indication ar...

Page 22: ...lass imperfections which can influence the reading Place the cuvet into the instrument Align the mark from the cuvet with the sign on the instrument top and close the lid Note If you have a cuvet with orientation mark place the cuvet into the instrument with the orientation mark aligned with the sign on the instrument top When taking turbidity free or total chlorine measurements several basic rule...

Page 23: ... The display will show blinking dashes and the icons for cuvet detectors and lamp will appear When a new value is displayed the cuvet icon and the measurement unit will briefly blink The last value remains on the display after the READ TIMER is released AVERAGED MEASUREMENT Selectthismeasurementmodewhensamplesthatcauseunstablereadingsareanalyzed Byaveraging several readings the random noise genera...

Page 24: ... AND UNITS HI 93414automaticallyselectsthecorrectturbidity rangetodisplaytheresultswiththehighestaccuracy If the measured value is higher than 1000 NTU over range the display will show the maximum value blinking The instrument has an EPA compliance reading mode If this feature is activated in SETUP EPA tag will appear on the LCD and the readings will be rounded to meet EPA reporting requirements a...

Page 25: ...sting that a zero measurement should be done ZEROING THE INSTRUMENT Fill a clean dry cuvet with 10 mL of sample up to the mark taking care to handle the cuvet by the top Replace the cap Wipethecuvetthoroughlywithalint freecloth to remove any fingerprints dirt or water spots Place the cuvet into the instrument Align the mark on the cuvete with the sign on the instrument top and close the lid Note I...

Page 26: ...r and ensure that the mark on the glass is matched with the mark on the instrument top Close the lid HoldREAD TIMER for3seconds Thedisplay will show the hourglass blinking and the countdown prior to measurement Alternatively wait for Free Chlorine Total Chlorine 1 minute or 2 minutes and 30 seconds and then just press READ TIMER Inbothcasesblinkingdasheswillappearduring measurement Theinstrumentdi...

Page 27: ...on in mg L of free or total chlorine Note It is recommended to make a zero before each measurement Note If the signal to noise ratio is too high the zero value will blink INTERFERENCES The colorimetric measurements are affected by the following interfering agents Bromine positive error Chlorinedioxide positiveerror Iodine positive error Oxidized Manganese and Chromium positive error Alkalinity abo...

Page 28: ...ntain some hydrazine traces Solution II Dissolve10 000gramsofhexamethylenetetramine CH2 6N4 indistilled deionized water and dilute to 100 mL in a volumetric flask Stock solution Mix 10 mL Solution I and 10 mL Solution II in a flask Let the stock solution stays 48 hours at 25 3 C 77 5 F This will result in a 4000 NTU formazin suspension It is very important for the formation of the formazin polymer...

Page 29: ...y pressing UP or DOWN keys until the display shows the correct value Place the 0 1 NTU standard cuvet or the prepared one into the holder and ensure that the cuvet mark is aligned with the sign on the instrument top Note Alternatively press CFM to skip the first calibration point Close the lid and press READ TIMER The displaywillshowblinkingdashesandtheicons forcuvet detectorsandlampwillappearduri...

Page 30: ...nt calibration continue the procedure with the following steps Remove the second standard cuvet Place the 100 NTU standard cuvet or the third prepared formazin standard into the holder with the cuvet mark aligned with the sign on the instrument top Close the lid and press READ TIMER The display will show blinking dashes and the icons forcuvet detectorsandlampwillappearduring measurement At the end...

Page 31: ...to measurement mode OUT CAL RANGE FUNCTION The instrument has an Out Cal Range function to prevent taking measurements in a range where the calibrationdonotassurethebestresults Therange wherethecalibrationassurescorrectmeasurements is up to 40 NTU for a two point calibration and up to 150 of the third point value for a three point calibration The display will show a blinking CAL tag each time the ...

Page 32: ...calibration follow the next steps Enter the GLP feature by pressing RCL GLP for three seconds The date of the last calibration will be displayed on the LCD Press READ TIMER to see the information related to calibration The last panel is the one with delete calibration Press SETUP DEL to delete the current calibration Theinstrumentwilldisplay deldone forasecond andthecalibrationisdeleted thentheins...

Page 33: ...terisnowreadyforvalidation COLORIMETER CALIBRATION The HI 93414 free and total chlorine colorimeter has a powerful CAL CHECK function that allows the user to check the instrument calibration against a NIST traceable standard before making a set of measurements With the same standard the instrument could be re calibrated if necessary Note Free and total chlorine must be calibrated separately Calibr...

Page 34: ...ate the instrument with standard solutions other than Hanna CAL CHECK Standards otherwise erroneous results will be obtained For accurate calibration please perform test at room temperature 18 to 25ºC 64 5 to 77 0ºF Remove the cuvet Place the CAL CHECK Standard cuvet B into the holder Make sure that the mark on the glassisalignedwiththemarkontheinstrument top Press CAL CHECK The LCD will display b...

Page 35: ...ring zero measurement At the end of the zero measurement 0 0 is displayed The READ tag will blink Remove the cuvet Place the CAL CHECK Standard Cuvet B into the holder Make sure that the mark on the cuvetisalignedwiththemarkontheinstrument top Close the lid and press READ TIMER The instrument will show blinking dashes and the measuring icon during measurement At the end the value of the CAL CHECK ...

Page 36: ...LIBRATION DELETION HI 93414 is delivered factory calibrated It is possible to restore factory calibration at any time if the user calibration do not work as expected Note Deleting the user calibration for one range will not affect the other ranges CALIBRATION ERROR MESSAGES The calibration is successfully performed if the CAL CHECK readings is in certain limits If the CAL CHECK standard value is t...

Page 37: ...al code of the tag and store the data After data is stored the instrument returns to measurement mode Notes If the tag is not read within 20 seconds the logging procedure is canceled Ameasurementcanbestoredonlyonce Also an over range value can be stored If less than ten free records are available the LOG tag will blink while storing data If the log memory is full the LoG FULL message appears for t...

Page 38: ... secondary LCD together with TAG if the identification of the sampling location was made After this the range is displayed on the secondary LCD as turb F Cl or t Cl When the end of the log is reached a long beep will be heard RECORD VIEWING Each record contains more information than the measured value The additional information is grouped in several panels Press READ TIMER to scroll through the re...

Page 39: ...onfirmation and if LOG CFM is pressed the last record is deleted To abort the delete function press READ TIMER instead of LOG CFM Aftertherecordisdeleted theinstrumententers immediately in the first panel of the previous record If the log becomes empty dashes will be displayed for one second on the LCD and the instrument will return to idle mode DELETE ALL RECORDS To delete all records scroll the ...

Page 40: ...turbidimeter range The displayed value is 0 00 NTU if the first calibration point was skipped or the real read value will appear Second calibration point only for turbidimeter range GOOD LABORATORY PRACTICE GLP The instrument asks for confirmation and if LOG CFM is pressed all records are deleted To abort the delete function press READ TIMER instead of LOG CFM Afterallrecordsaredeleted dashesaredi...

Page 41: ... only for turbidimeter range if available Delete calibration panel To delete last calibration PressSETUP DELwhileinthedeletecalibration panel of the GLP The user calibration will be deleted and the factory calibration will be restored The instrument will enter automatically in measurement mode ...

Page 42: ...ereadingpanelisdisplayed The parameter setting and CFM tag will start blinking Press the UP or DOWN keys to set ON or OFF the EPA compliance mode Press LOG CFM to save the setting The new selected option of the parameter will be displayed on the LCD Alternatively press CAL CHECK to exit without saving the new settings To enter exit SETUP press SETUP DEL To select the parameter to be edit press UP ...

Page 43: ...HE TIME You can choose between showing or hiding the current time on the LCD To set hiding or showing the time press CAL CHECKwhenshow hidetimepanelisdisplayed The time show status and CFM tag will start blinking Press the UP or DOWN keys to set lcd hide for time Press LOG CFM to save the change The new selected option will be displayed on the LCD Alternatively press CAL CHECK to exit without savi...

Page 44: ...r DOWN keys to set the month value Press LOG CFM or READ TIMER to start editing the day value The day value will start blinking Press the UP or DOWN keys to set the day value Note To edit the year again after the day was edited press READ TIMER Press LOG CFM to save the new date The new set date will be displayed Alternatively press CAL CHECK to exit without saving the changes SET THE TIME To set ...

Page 45: ... that can be edited by the user The instrument ID is downloaded on the PC application together with the logged data By setting a different ID for each instrument it is possible to mix information from many turbidimeters into the same database TosettheinstrumentID pressCAL CHECKwhen set instrument ID panel is displayed The default instrument ID is 0000 The existing ID value and CFM tag will start b...

Page 46: ...CD BACKLIGHT The LCD can be illuminated to allow the user to see the readings even in dark environments To turn ON OFF the backlight press LIGHT The backlight will automatically shut off after 25 seconds of non use to save the battery life SET BAUD RATE The HI 93414 has a RS232 and a USB link When the USB connection is used the RS232 connection becomes inactive To successfully communicate with the...

Page 47: ...h tags LAMP REPLACEMENT The instrument tungsten lamp has a life longer than 100 000 measurements In case of lamp failure the defective lamp can be easily replaced When the lamp is broken the instrument displays no L error message To replace the lamp follow the next steps Remove the battery lid Unscrew the lamp connection using a screwdriver Unlock the lamp and extract it by pulling it out from the...

Page 48: ...y it is better to use normal instead of averaged measurements Continuous measurements keep the lamp on and should be used with caution if the battery life is an issue To further save the battery life the instrument will turn off after 15 minutes of non use The backlight will be turn off after 25 seconds since the last key was pressed The battery life is measured each time the lamp is turned on and...

Page 49: ...ed from the AC adapter when used in laboratory See the Accessories section to select the correct AC adapter To power the instrument simply connect the AC adapter to the instrument see page 10 Connectors Description It is not necessary to turn the instrument off when connecting the external adapter Note The connection to the external adapter will not recharge the batteries ...

Page 50: ...b o r o f O L t n e r r u c r o f d e s u d r a d n a t s e h T w o l o o t s i t n i o p n o i t a r b i l a c d n a d r a d n a t s e h t k c e h C e n o t c e r r o c e h t e s u I H t n e r r u c r o f d e s u d r a d n a t s e h T h g i h o o t s i t n i o p n o i t a r b i l a c d n a d r a d n a t s e h t k c e h C e n o t c e r r o c e h t e s u v n I d e t r e v n i e r a s d r a d n a t ...

Page 51: ...15 mL HI 93711 01 Reagents for 100 Total Chlorine tests HI 93711 03 Reagents for 300 Total Chlorine tests HI 98703 11 Calibration set for turbidimeter 0 1 15 100 and 750 NTU OTHER ACCESSORIES HI 710005 Voltage adapter from 115V to 12 Vdc USA plug HI 710006 Voltage adapter from 230V to 12 Vdc European plug HI 710012 Voltage adapter from 240V to 12 Vdc UK plug HI 710013 Voltage adapter from 230V to ...

Page 52: ...03 3258 9565 Fax 03 3258 9567 Korea Tel 02 2278 5147 Fax 02 2264 1729 Malaysia Tel 603 5638 9940 Fax 603 5638 9829 Singapore Tel 6296 7118 Fax 6291 6906 SouthAfrica Tel 011 615 6076 Fax 011 615 8582 Taiwan Tel 886 2 2739 3014 Fax 886 2 2739 2983 Thailand Tel 662 619 0708 Fax 662 619 0061 UnitedKingdom Tel 01525 850 855 Fax 01525 853 668 USA Tel 401 765 7500 Fax 401 765 7575 For e mail contacts and...