HANNA HI 96709C Manganese High Range ISM Instruction Manual
Contents
1. REQUIRED REAGENTS Code Description HI 93709A 0 Manganese HR Reagent A HI 93709B 0 Manganese HR Reagent B Quantity test 1 packet 1 packet PRECISION AND ACCURACY Precision is how closely repeated measurements agree with each other Precision is usually expressed as standard deviation SD Accuracy is defined as the nearness of a test result to the true value Although good precision suggests good accuracy precise results can be inaccurate The figure explains these definitions In a laboratory using a standard solution of 10 0 mg L manganese and a representative lot of reagent an operator obtained with a single instrument a standard deviation of 3 0 mg L Precise not accurate Accurate not precise Not precise not accurate PRINCIPLE OF OPERATION Absorption of Light is a typical phenomenon of interaction between electromagnetic radiation and matter When a 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 light absorbed depends both on the optical path length through the matter and on the physical chemical characteristics of the substance according to the Lambert Beer Law log I I cd or A e cd Where log 1 1 Absorbance A I intensity of incident light beam I intensity of light beam after absorption molar extinction coefficient at wavelength 2 C molar concentration2. countdown prior to measurement The beeper is playing a beep at the end of 1 30 countdown period ca Alternatively wait for 1 minute and 30 D seconds then just press READ gt TIMER In both cases the lamp cuvette and a a detector icons will appear on the display mec ag mia depending on the measurement phase TN idi e N the end of measurement the instrument s ci directly displays concentration in mg L of manganese on the LCD INTERFERENCES Calcium above 700 mg L Chloride above 70000 mg L Iron above 5 mg L Magnesium above 100000 mg L VALIDATION PROCEDURE Use the validation procedure to ensure that the instrument is properly calibrated Warning Do not validate the instrument with any standard solutions other than the HANNA CAL CHECK Standards otherwise erroneous results will be obtained Tum the meter on by pressing ON OFF on y SN When the beeper sounds briefly and the LCD displays dashes the meter is ready The blinking ZERO asks for instrument ae Zeroing Place the CAL CHECK Standard HI 96709 11 Cuvette A into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove e Press ZERO CFM and the lamp cuvette and detector icons will appear on the ZERO E ae a y CFM ZERO display depending on the measurement Ay phase abd After a few seconds the display will show 0 0 The mete
3. is blinking ready for date input DATE INPUT Press GLP Ato edit the desired year 2000 2099 If the key is kept pressed the year number is automatically increased When the correct year has been set press ZERO CFM or READ TIMER to confirm Now the display will show the month blinking Press GLP A to edit the desired month 01 12 If the key is kept pressed the month number is automatically increased When the correct month has been set press ZERO CFM or READ TIMER to confirm Now the display will show the day blinking Press GLP Ato edit the desired day 01 31 If the key is kept pressed the day number is automatically increased Note It is possible to change the editing from day to year and to month by pressing READ P TIMER Press ZERO CFM to save the calibration date The instrument displays Stor for one second and the calibration is saved rc e The instrument will return automatically to measurement mode by displaying 77 dashes on the LCD co pes In the GLP mode the last user calibration date can be consulted and the factory calibration can be restored LAST CALIBRATION DATE To display the calibration date e Press GLP A to enter GLP mode The IE rr rr calibration month and day will appear on LI ou B the main display and the year on the Ny HE cuud secondary display If no calibration was performed the our fa
4. displayed when the obtained values are outside expected range The beeper is playing a beep on errors a on zero reading E cri LIGHT HIGH Err LIGHT LOW NOLIGHT b on sample reading ZEROINV READ Light High There is too much light to perform a measurement Please check the preparation of the zero cuvette Light Low There is not enough light to perform a measurement Please check the preparation of the zero cuvette No Light The instrument cannot adjust the light level Please check that the sample does not contain any debris Inverted cuvettes The sample and the zero cuvette are inverted Zero A zero reading was not taken Follow the instructions of the measurement procedure for zeroing the meter a Under range A blinking 0 indicates that the sample absorbs gt Dn less light than the zero reference Check the procedure and make FIN sure you use the same cuvette for reference zero and measurement lt a A Over Range A flashing value of the maximum concentration Lia indicates an over range condition The concentration of the X sample is beyond the programmed range dilute the sample and re run the test c during calibration procedure Standard Low The standard reading is less than expected Err STDLOW en Standard High The standard reading is higher than expected rrr HIGH STD d other
5. errors and warnings Cap error Appears when external light enters in the analysis E rr cell Assure that the cuvette cap is present i ee ii ie Cooling lamp The instrument waits for the lamp to cool down X A og c ar Battery low The battery must be replaced soon f m Dead battery This indicates that the battery is dead and must 5 dt Hd be replaced Once this indication is displayed the meter will lock up Change the battery and restart the meter bREE GENERAL TIPS FOR AN ACCURATE MEASUREMENT The instructions listed below should be carefully followed during testing to ensure best accuracy e Color or suspended matter in large amounts may cause interference therefore these should be removed by treatment with active carbon and by prior filtration e For a correct filling of the cuvette the liquid in the cuvette forms a concavity on the top the bottom of this 4 QmL p gt concavity must be at the same level of the 10 mL mark Proper use of the powder reagent packet a use scissors to open the powder packet b push the edges of the packet to form a spout c pour out the content of the packet Reagent I E L ag a b e t is important that the sample does not contain any debris This would corrupt the reading Each time the cuvette is used the cap must be tightened to the same degree Whenever the cuvette is placed into the meas
6. if the capacity is under 10 96 If the battery is empty and accurate measurements can t be taken anymore the instrument shows dead batt and turns off To restart the instrument the battery must be replaced with a fresh one 21 BATTERY REPLACEMENT To replace the instrument s battery follow the steps SEE e Turn the instrument off by pressing ON OFF Ay e Turn the instrument upside down and remove the battery cover by turning it counterclockwise e Extract the battery from its location and replace it with a fresh one e Insert back the battery cover and turn it clockwise to close REAGENT SET HI 93709 01 Reagents for 100 tests HI 93709 03 Reagents for 300 tests OTHER ACCESORIES HI 96709 11 CAL CHECK Standard Cuvettes 1 set HI 721310 9V battery 10 pcs HI 731318 Cloth for wiping cuvettes 4 pcs HI 731331 lass cuvettes 4 pcs HI 731335 Caps for cuvettes 4 pcs HI 93703 50 Cuvette cleaning solution 230 ml HI 741218 Carrying case WARRANTY HI 96709 is warranted for two years against defects in workmanship and materials when used for its intended purpose and maintained according to the instructions 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 your dealer If under warranty report the model number date of purchase serial number and the nature of the
7. programmed countdown prior to measurement In GLP mode press to view the next screen CAL CHECK this is a bi functional key Just press to perform the validation of the meter or press and hold for three seconds to enter calibration mode e GLP A this is a bi functional key Just press to enter GLP mode In calibration mode press to edit the date and time OPERATING MODES e Measurement mode default operation mode enables both validation and measurement Calibration mode may be entered by keeping CAL CHECK pressed for three seconds the CAL tag appears it enables calibration of the instrument GLP mode may be entered by pressing GLP A GLP appears it enables consulting of user calibration date or restore factory calibration DISPLAY ELEMENTS DESCRIPTION CFMCAP STD LOW READ COOLING DATE ee BBBB 1 The measuring scheme lamp cuvette detector appears during different phases of zero or reading measurement 2 Error messages and warnings 3 The battery icon shows the charging level of the battery 4 The hourglass appears when an internal checking is in progress 5 Status messages 6 The chronometer appears when the reaction timer is running 7 8 9 The month day and date icons appear when a date is displayed Four digit main display Measuring units 10 Four digit secondary display ERRORS AND WARNINGS The instrument shows clear messages when erroneous condition appears Messages are also
8. the desired measuring unit and to display it on the LCD The measurement process is carried out in two phases first the meter is zeroed and then the actual measurement is performed The cuvette has a very important role because it is an optical element and thus requires particular attention It is important that both the measurement and the calibration zeroing cuvettes are optically identical to provide the same measurement conditions Whenever possible use the same cuvette for both It is necessary that the surface of the cuvette is clean and not scratched This to avoid measurement interference due to unwanted reflection and absorption of light It is recommended not to touch the cuvette walls with hands Furthermore in order to maintain the same conditions during the zeroing and the measuring phases it is necessary to close the cuvette to prevent any contamination FUNCTIONAL DESCRIPTION INSTRUMENT DESCRIPTION GLP A key CAL CHECK key ZERO CFM key 4 READ M TIMER key 1 2 3 5 ON OFF key 6 Liquid Crystal Display LCD 7 Cuvette alignment indicator 8 Cuvette holder KEYPAD DESCRIPTION e ON OFF to turn the meter on and off e ZERO CFM to zero the meter prior to measurement to confirm edited values or to confirm factory calibration restore READ TIMER this is a multi functional key In measurement mode press to make a measurement or press and hold for three seconds to start a pre
9. Instruction Manual HI 96709C Manganese High Range ISM ANN instruments www hannainst co Dear Customer Thank you for choosing a Hanna product This manual will provide you with the necessary information for the correct use of the instrument Please read it carefully before using the meter If you need additional technical information do not hesitate to e mail us at tech hannainst com TABLE OF CONTENTS BATTERY MANAGEMENT uarietate 21 BATE RY REPLACEMENT icai eth ERE itc E ipm bu 22 ACCESSORIES neasa aili sae uve ano 22 WARRANTS enee es ee eaer ERR RR RR 23 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 PRELIMINARY EXAMINATION Please examine this product carefully Make sure that the instrument is not damaged If any damage occurred during shipment please notify your Dealer Each HI 96709 lon Selective Meter is supplied complete with Two Sample Cuvettes and Caps e CAL CHECK standard cuvettes e W Battery e Scissors e Cloth for wiping cuvettes e Instrument quality certificate Instruction Manual e Rigid carrying case CAL CHECK Standard Cuvettes Cut out space for reagent eng instruments CUVETTE HOLDER PROTECTION Please remove before use Instrument Cloth for 9V Battery Sample cuvettes Scissors wiping cuvettes Note Save all packing mat
10. ation procedure The blinking ZERO asks for instrument zeroing 1 amp ff EC Place the CAL CHECK Standard HI 96709 11 Cuvette A into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove Press ZERO CFM and the lamp cuvette ln and detector icons will appear on the oh dx N display depending on the measurement Y me phase e After a few seconds the display will show 0 0 The meter is now zeroed and ready for calibration The blinking READ asks for reading calibration standard Remove the cuvette Place the CAL CHECK Standard HI 96709 11 Cuvette B into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove Press READ TIMER and the lamp cuvette and detector icons will appear on the display depending on the measurement phase After measurement the instrument will show for three seconds the CAL CHECK Standard value Note If the display shows STD HIGH the standard value was too high If the display shows STD LOW the standard value was too low Verify that both CAL CHECK Standards HI 96709 11 Cuvettes A and B are free from fingerprints or dirt and that they are inserted correctly Then the date of the last calibration e g 01 08 2008 appears on the display or 01 01 2008 if the factory calibration was selected before In both cases the year number
11. ch hannainst com www hannainst com Local Sales and Customer Service Office Printed in EUROPE ROMANIA MAN96709 12 10
12. ctory calibration message F CAL will Er AL appear on the main display and the instrument returns fo measurement mode after three seconds FACTORY CALIBRATION RESTORE It is possible to delete the calibration and restore factory calibration e Press GLP A to enter GLP mode 20 Press READ TIMER to enter in the r k factory calibration restore screen The READY L HL I ME TIMER Nl instrument asks for confirmation of user TY cr L calibration delete Press ZERO CFM to restore the factory calibration or press GLP A again to abort factory calibration restore The instrument briefly notifies done CFM cin when restores factory calibration and returns to measurement mode BATTERY MANAGEMENT To save battery the instrument shuts down after 10 minutes of non use in measurement mode and after 1 hour of non use in calibration mode If a valid measurement was displayed before auto shut off the value is displayed when a AU I the instrument is switched on The blinking zm 07 ZERO means that a new zero has to be performed One fresh battery lasts for around 750 measurements depending on the light level The remaining battery capacity is evaluated at the instrument startup and affer each measurement The instrument displays a battery indicator with three levels as follows e 3 lines for 100 96 capacity e 2 lines for 66 capacity line for 33 96 capacity Battery icon blinking
13. erial until you are sure that the instrument works correctly Any defective item must be returned in its original packing GENERAL DESCRIPTION The HI 96709 is an auto diagnostic portable microprocessor meter that benefits from Hanna s years of experience as a manufacturer of analytical instruments It has the advanced optical system based on a special tungsten lamp and a narrow band interference filter that allows most accurate and repeatable readings All instruments are factory calibrated and the electronic and optical design minimizes the need of frequent calibration With the powerful CAL CHECK validation function you are able to validate good performance of your instrument at any time The validation procedure is extremely user friendly Just use the exclusive HANNA ready made NIST traceable standards to verify the performance of the instrument and recalibrate if necessary All instruments are splash waterproof and the lamp and filter units are protected from dust or dirt by a transparent cup This makes the instruments fulfill field applications Display messages aid the user in routine operation The meter has an auto shut off feature that will turn off the instrument after 10 minutes of non use in measurement mode or after hour if left in calibration mode The meter uses an exclusive positive locking system to ensure that the cuvette is in the same position every time it is placed into the measurement cell It is designed to fit a cuvet
14. 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 Customer Service Department and then send it with shipment costs prepaid When shipping any instrument make sure it is properly packaged for complete protection To validate your warranty fill out and return the enclosed warranty card within 14 days from the date of purchase Recommendations for Users Before using these products make sure that they are entirely suitable for your specific application and for the environment in which they are used Operation of these instruments may cause unacceptable interferences to other electronic equipments this requiring the operator to take all necessary steps fo correct interferences Any variation introduced by the user to the supplied equipment may degrade the instruments EMC performance To avoid damages or burns do not put the instrument in microwave oven For yours and the instrument safety do not use or store the instrument in hazardous environments Hanna Instruments reserves the right to modify the design construction and appearance of its products without advance notice ANN instruments Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA Technical Support for Customers Tel 800 426 6287 Fax 401 765 7575 E mail te
15. nsate the meter for the sample turbidity or color the measurement takes place in two phases First the meter is zeroed using the unreacted sample After the reagents are added the reacted sample is measured CAL CHECK E Turn the meter on by pressing ON OFF on oo The display briefly shows all tags on 3E BBOB is When the beeper sounds briefly and the LCD displays dashes the meter is ready The blinking ZERO indicates that the instrument needs to be zeroed first Fill the cuvette with 10 mL of unreacted sample up to the mark and replace the cap Place the cuvette into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove Press ZERO CFM and the lamp cuvette and detector icons will appear on the display depending on the measurement phase After a few seconds the display will show 0 0 The meter is now zeroed and ready for measurement e Remove the cuvette e Add the content of one packet of HI 93709A 0 Manganese HR Reagent A replace the cap and shake gently the cuvette for 2 minutes e n the same cuvette add the content of one packet of HI 93709B 0 Manganese HR Reagent B replace the cap and shake gently for 2 minutes Replace the cuvette into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove e Press and hold READ P gt TIMER for three seconds The display will show the
16. of the substance d optical path through the substance Therefore the concentration c can be calculated from the absorbance of the substance as the other factors are known Photometric chemical analysis is based on the possibility to develop an absorbing compound 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 optical system of Hanna s HI 96 series colorimeters are based on a special subminiature tungsten lamp and narrow band interference filters to guarantee both high performance and reliable results FILTER LAMP LENS CUVET UGHT MICROPROCESSOR DETECTOR EMITTED LIGHT 1001 1001 HI 96 series block diagram optical layout A microprocessor controlled special tungsten lamp emits radiation which is first optically conditioned and beamed to the sample contained in the cuvette The optical path is fixed by the diameter of the cuvette Then the light is spectrally filtered to a narrow spectral bandwidth to obtain a light beam of intensity T or I The photoelectric cell collects the radiation T that is not absorbed by the sample and converts it into an electric current producing a potential in the mV range The microprocessor uses this potential to convert the incoming value into
17. r is now zeroed and ready for validation Remove the cuvette Place the CAL CHECK Standard HI 96709 11 Cuvette B into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove Press CAL CHECK and the lamp cuvette and detector icons together with CAL CHECK will appear on the display depending on the measurement phase At the end of the measurement the display will show the validation standard value CAL CHECK x l na A I m e CHECK The reading should be within specifications as reported in the CAL CHECK Standard Certificate If the value is found out of the specifications please check that the cuvettes are free of fingerprints oil or dirt and repeat validation If results are still found out of specifications then recalibrate the instrument CALIBRATION PROCEDURE Note It is possible to interrupt calibration procedure at any time by pressing CAL CHECK or ON OFF keys Warning Do not calibrate the instrument with standard solutions other than the HANNA CAL CHECK Standards otherwise erroneous results will be obtained e Turn the meter on by pressing ON OFF on When the beeper sounds briefly and the LCD displays dashes the meter is ready The blinking ZERO asks for instrument a Zeroing e Press and hold CAL CHECK for three en seconds to enter calibration mode The oi display will show CAL during ZENS calibr
18. te with a larger neck making it easier to add both sample and reagents The cuvette is made from special optical glass to obtain best results The HI 96709 meter measures the manganese content in water and wastewater in the 0 0 to 20 0 mg L ppm range The method is an adaptation of Standard Methods for the Examination ot Water and Wastewater 18 edition Periodate method The reagents are in powder form and are supplied in packets The amount of reagent is precisely dosed to ensure the maximum repeatability ABBREVIATIONS C degree Celsius F degree Fahrenheit LCD Liquid Crystal Display mg L milligrams per liter mg L is equivalent to ppm parts per million mL milliliter mV millivolts gt lt SPECIFICATIONS Range 0 0 to 20 0 mg L Resolution 0 1 mg L Accuracy 0 2 mg L 3 of reading 25 C Typical EMC Deviation 0 1mg L Light Source Tungsten lamp Light Detector Silicon Photocell with narrow band interference filter 525 nm Method Adaptation of Standard Methods for the Examination of Water and Wastewater 18 edition Periodate method The reaction between manganese and reagents causes a violet tint in the sample Environment 0 to 50 C 32 to 122 F max 95 RH non condensing Battery Type 1 x 9 volt Auto Shut off After 10 of non use in measurement mode after 1 hour of non use in calibration mode with last reading reminder Dimensions 192 x 102 x 67 mm 7 6 x 4 x 2 6 Weight 290 g 10 oz
19. urement cell it must be dry outside and completely free of fingerprints oil or dirt Wipe it thoroughly with HI 731318 or a lint free cloth prior to insertion Shaking the cuvette can generate bubbles in the sample causing higher readings To obtain accurate measurements remove such bubbles by swirling or by gently tapping the cuvette Do not let the reacted sample stand too long after reagent is added or accuracy will be lost It is possible to take multiple readings in a row but it is recommended to take a new zero reading for each sample and to use the same cuvette for zeroing and measurement After the reading it is important to discard immediately the sample otherwise the glass might become permanently stained All the reaction times reported in this manual are referred to 20 C 68 F As a general rule of thumb they should be doubled at 10 C 50 F and halved at 30 C 86 F In order to maximize accuracy prior to a measurement follow the validation procedure to be sure that the instrument is properly calibrated If necessary calibrate the instrument Prepare the instrument for measurement as follows e Unpack the instrument by removing the dust protection sleeve from the instrument cuvette holder e Place the battery in the instrument as described in the BATTERY REPLACEMENT chapter e Place the instrument on a flat table e Do not place the instrument under direct sun light MEASUREMENT PROCEDURE To compe
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