Hanna Instruments HI97728 Instruction Manual Download | Manualshive

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INSTRUCTION MANUAL

HI97728

Nitrate

Photometer

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Summary of Contents for HI97728

Page 1: ...INSTRUCTION MANUAL HI97728 Nitrate Photometer ...

Page 2: ... the instrument as well as 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...

Page 3: ...ON 9 6 2 CHEMICAL FORMULA UNIT CONVERSION 11 6 3 GLP 11 6 4 LOGGING DATA LOG RECALL 12 6 5 GENERAL SETUP 12 6 6 REAGENTS ACCESSORIES 15 6 7 CONTEXTUAL HELP 15 6 8 BATTERY MANAGEMENT 16 7 PHOTOMETER 16 7 1 PROPER USE OF POWDER PACKET 16 7 2 CUVETTE PREPARATION 17 8 METHOD PROCEDURE 19 9 ERROR DESCRIPTIONS 22 10 BATTERY REPLACEMENT 23 11 ACCESSORIES 24 11 1 REAGENT SETS 24 11 2 OTHER ACCESSORIES 24 ...

Page 4: ...mple cuvette cap 2 pcs Plastic stopper 2 pcs 1 5V AA Alkaline batteries Instruction manual Meter quality certificate Note Save all packing material until you are sure that the instrument works correctly Any damaged or defective item must be returned in its original packing material with the supplied accessories 2 SAFETY MEASURES The chemicals contained in the reagent kits may be hazardous if impro...

Page 5: ...64 pixel B W LCD with backlight Auto off After 15 minutes of inactivity 30 minutes before a READ measurement Battery type 1 5 V AA Alkaline 3 pcs Battery life 800 measurements without backlight Environment 0 to 50 C 32 to 122 F 0 to 100 RH non serviceable Dimensions 142 5 x 102 5 x 50 5 mm 5 6 x 4 0 x 2 0 Weight with batteries 380 g 13 4 oz Case ingress protection rating IP67 floating case 4 ABBRE...

Page 6: ...re able to validate the performance of the instrument at any time and apply a user calibration if necessary Hanna s CAL Check cuvettes are made with NIST traceable standards The built in tutorial mode guides the users step by step through the measurement process It includes all steps required for sample preparation the required reagents and quantities The HI97728 meter measures the nitrate content...

Page 7: ...ery cover Keypad Description The keypad contains 3 direct keys and 3 functional keys with the following functions PressthefunctionalkeystoperformthefunctiondisplayedabovethemontheLCD Press and hold to power off on Press briefly to return to the previous screen Press to access the menu screen Press to display the context sensitive help menu ...

Page 8: ...osses 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 Io el c d or A el c d Io intensity of incident light beam I intensity of light beam aft...

Page 9: ...ignal to be received The end result is higher measurement stability and less wavelength error A focusing lens collects all of the light that exits the cuvette eliminating errors from cuvette imperfections and scratches eliminating the need to index the cuvette 6 GENERAL OPERATIONS 6 1 METER VALIDATION CAL CHECK CALIBRATION Validation of the HI97728 involves verifying the concentration of the certi...

Page 10: ... Note This value will be saved in the instrument for future validation If a new set of calibration standards is obtained please update the certificate value 4 Insert the A ZERO CAL Check Cuvette A then press Next to continue The Please Wait message will be displayed during the measurement 5 Insert the HI97728B CAL Check Cuvette B then press Next to continue The Please Wait message will be displaye...

Page 11: ...ersion factors are pre programmed into the instrument and are method specific In order to view the displayed result in the desired chemical formula enter menu by pressing and use the keys to select Chemical Form Press Select to change the displayed chemical form Use the keys to highlight the desired chemical formula and press Select The selected formula will be saved when the instrument is powered...

Page 12: ...d press Select Use the functional keys to highlight a log and press Info to view additional information about the log From this screen the Next and Previous keys can be used to view other logs Use the Delete key to erase logged data After pressing Delete a prompt on display is asking for confirmation Press No or the key to return to the previous screen Press Yes to delete selected log Press Del Al...

Page 13: ...eys to increase or decrease the value Press the Accept key to confirm the value or the key to return to the Setup menu without saving the new value Date Time Press the Modify key to change the date time Press the keys to highlight the value to be modified year month day hour minute or second Press Edit to modify the highlighted value Use the keys to change the value Press the Accept key to confirm...

Page 14: ...eparator is used on the measurement screen Language Press the Modify key to change the language Use the keys to select the desired language Press Accept to choose one of the languages installed Beeper Option Enable or Disable When enabled a short beep is heard every time a key is pressed A long beep alert sounds when the pressed key is not active or an error is detected Press the functional key to...

Page 15: ...RIES Press the key to enter the menu Use the keys to select Reagents Accessories and press Select to access a list of reagents and accessories To exit press the key 6 7 CONTEXTUAL HELP The HI97728 offers an interactive contextual help mode that assists the user at any time To access the help screen press the key The instrument will display additional information related to the current screen To re...

Page 16: ... icon on the LCD will indicate the battery status battery full battery below 10 replace the batteries soon battery is low replace the batteries with new ones To conserve battery the meter will turn off automatically after 15 minutes of inactivity Ifazeroreadinghasbeendonebutnotaread auto offtimeisincreasedto30minutes 7 PHOTOMETER 7 1 PROPER USE OF POWDER PACKET a Use scissors to open the powder pa...

Page 17: ... the cap end then return the cuvette to the upright vertical position and wait for all of the solution to flow to the cuvette bottom This is one inversion The correct speed for this mixing technique is 10 15 complete inversions in 30 seconds This mixing technique is indicated with invert to mix and the following icon b The mixing method is indicated with shake vigorously using one of the following...

Page 18: ... stand too long after reagent has been added For best accuracy respect the timings described in each specific method 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 when possible Discard the sample immediately after the reading has been taken or the glass might become permanen...

Page 19: ...cedure below If the tutorial mode is enabled press Measure and follow the messages on the screen Fill the cuvette with 10 mL of sample up to the mark Replace the plastic stopper and the cap Insert the cuvette into the holder and ensure that the notch on the cap is positioned securely in the groove Press the Zero key The display will show 0 0 when the meter is zeroed and ready for measurement Remov...

Page 20: ... sensitive For proper mixing technique see Cuvette Preparation procedure detailed on page 17 Insert the cuvette into the holder and ensure that the notch on the cap is positioned securely in the groove Press the Read key and the display will show a 4 minute and 30 second countdown prior to the measurement To skip the timer press Read twice When the timer ends the meter will perform the reading The...

Page 21: ...itrate NO3 Press to return to the measurement screen INTERFERENCES Interference may be caused by Ammonia and amines as urea and primary aliphatic amines Chloride above 100 ppm Chlorine above 2 ppm Copper Iron III Strong oxidizing and reducing substances Sulfide must be absent ...

Page 22: ... Please check that the sample does not contain any debris Light High There is too much light to perform a measurement Please check the preparation of the zero cuvette Ambient temperature out of limits The meter is too hot or too cold for an accurate measurement Allow the meter to reach 10 C to 40 C 50 F to 104 F before performing a measurement Ambient temperature changed The temperature of the met...

Page 23: ...ent s batteries follow these steps Turn the instrument off by pressing and holding the key Remove the battery cover by turning it counterclockwise Remove the old batteries replace them with three new 1 5V AA batteries Replace the battery cover turn it clockwise to close ...

Page 24: ...eagent 300 tests 11 2 OTHER ACCESSORIES Code Description HI7101412 blue carrying case for HI977xx and 2 CAL Check cuvettes HI731318 cloth for wiping cuvettes 4 pcs HI731331 glass cuvettes 4 pcs HI731336N cap for cuvette 4 pcs HI93703 50 cuvette cleaning solution 230 mL HI97728 11 CAL Check standards for nitrate cuvette kit ...

Page 25: ...l resources Disposal of waste batteries This product contains batteries do not dispose of them with other household waste Hand them over to the appropriate collection point for recycling Ensuring proper product and battery disposal prevents potential negative consequences for the environment and human health which may be caused by inappropriate handling For more information contact your city your ...

Page 26: ...your specific application and for the environment in which it is used Any variation introduced by the user to the supplied equipment may degrade the meter s performance For yours and the meter s safety do not use or store the meter in hazardous environments Recommendations for users ...

Page 27: ... model number date of purchase serial number engraved on the bottom of the meter and the nature of the problem If the repair is not covered by the warranty you will be notified of the charges incurred If the meter is to be returned to Hanna Instruments first obtain a Returned Goods Authorization RGA number from the Technical Service department and then send it with shipping costs prepaid When ship...

Page 28: ... Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com Local Office Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA Phone 800 426 6287 Fax 401 765 7575 e mail tech hannainst com MAN97728 Printed in ROMANIA ...

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