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INSTRUCTION MANUAL

HI97752

Calcium & Magnesium

Photometer

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Summary of Contents for HI97752

Page 1: ...INSTRUCTION MANUAL HI97752 Calcium Magnesium Photometer ...

Page 2: ...g a Hanna Instruments product Pleasereadthisinstructionmanualcarefullybeforeusingthisinstrument This manual will provide you with the necessary information for correct use of this 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 Custome...

Page 3: ...DATION CAL CHECK CALIBRATION 11 6 2 GLP 13 6 3 LOGGING DATA LOG RECALL 13 6 4 GENERAL SETUP 14 6 5 REAGENTS ACCESSORIES 16 6 6 CONTEXTUAL HELP 16 6 7 BATTERY MANAGEMENT 17 7 PHOTOMETER 18 7 1 METHOD SELECTION 18 7 2 COLLECTING MEASURING REAGENTS AND SAMPLES 18 7 3 CUVETTE PREPARATION 19 8 METHOD PROCEDURE 21 8 1 CALCIUM 21 8 2 MAGNESIUM 24 9 WARNING ERROR DESCRIPTIONS 26 10 BATTERY REPLACEMENT 28 ...

Page 4: ...2B CAL Check Cuvette B for Calcium HI97754B CAL Check Cuvette B for Magnesium Cloth for wiping cuvettes 1 5V AA Alkaline batteries CAL Check standard certificate Instrument quality certificate Instruction manual Each HI97752 is delivered in a cardboard box and is supplied with Sample cuvette 2 pcs Sample cuvette cap 2 pcs Plastic stopper 2 pcs 1 5V AA Alkaline batteries Instrument quality certific...

Page 5: ...curs wipe up immediately and rinse with plenty of water If reagent contacts skin rinse the affected area thoroughly with water Avoid breathing released vapors Waste disposal For proper disposal of reagent kits and reacted samples contact a licensed waste disposal provider 3 ABBREVIATIONS mg L milligrams per liter ppm mL milliliter C degree Celsius F degree Fahrenheit GLP Good Laboratory Practice H...

Page 6: ...ndwidth 8 nm Bandpass filter wavelength accuracy 1 0 nm Light detector Silicon photocell Cuvette type Round 24 6 mm diameter 22 mm inside Additional Specifications Auto logging 50 readings Display 128 x 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 Env...

Page 7: ...cuvettes are made with NIST traceable standards The built in tutorial mode guides users step by step through the measurement process It includes all steps required for sample preparation the required reagents and quantities The HI97752 meter measures two important parameters in drinking water surface water ground water wastewater and swimming pools Calcium is a vital plant nutrient and helps to st...

Page 8: ...over Keypad Description The keypad contains 3 direct keys and 3 functional keys with the following functions Press the functional key to perform the function displayed above it on the LCD 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 9: ...on may be absorbed by atoms molecules or crystal lattices Photometric chemical analysis is based on specific chemical reactions between a sample and reagent to produce a light absorbing compound 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 Be...

Page 10: ... luminous efficiency providing more light while using less power They also produce little heat which could otherwise affect electronic stability LEDs are available in a wide array of wavelengths whereas tungsten lamps have poor blue violet light output Improved optical filters ensure greater wavelength accuracy and allow a brighter stronger signal to be received The end result is higher measuremen...

Page 11: ...ettes from direct sunlight by keeping them in the original packing Store between 5 and 30 C 41 to 86 F do not freeze To perform a CAL Check 1 Press the key to enter menu Use the functional keys to select CAL Check Calibration and press Select The Not Available message or the date time and status of the last CAL Check will be displayed on the screen Note CAL Check Calibration is for the selected me...

Page 12: ...alue obtained during the measurement PASSED The measured value is within the accuracy specification no user calibration is required OUT OF SPECIFICATION and Calibrate is available The measured value is near the expected value To update the user calibration press Calibrate Press Accept to confirm or Cancel to return to the previous screen OUT OF SPECIFICATION A user calibration is not allowed the m...

Page 13: ...ll measurements Every time a measurement is made the data is automatically saved The data log can hold 50 individual measurements When the data log is full 50 data points the meter will rewrite the oldest data point Viewing and deleting the data is possible using the Log Recall menu Press the key to enter the menu Use the functional keys to select Log Recall and press Select Use the functional key...

Page 14: ...rease or decrease the value Press Accept to confirm or the key to return to the Setup menu without saving the new value Contrast Option 0 to 100 Press Modify to change the display s contrast Use the functional keys to increase or decrease the value Press Accept to confirm the value or the key to return to the Setup menu without saving the new value Date Time Press Modify to change the date and tim...

Page 15: ...Option Comma or Period Press the functional key to select the desired decimal separator The decimal separator is used on the measurement screen Language Press Modify to change the language Use the functional 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 ...

Page 16: ...tore Factory Settings Press Select to reset to factory settings Press Accept to confirm or Cancel to exit without restoring the factory settings 6 5 REAGENTS ACCESSORIES Press the key to enter the menu Use the functional keys to select Reagents Accessories and press Select to access a list of reagents and accessories To exit press the key 6 6 CONTEXTUAL HELP The HI97752 offers an interactive conte...

Page 17: ...to diagnostic test when it is powered on During this test the Hanna Instruments logo will appear on the LCD If the auto diagnostic test was successful the meter is ready for use The battery 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 automatic...

Page 18: ... outside of the tip with a cloth 2 Always keep the dropper bottle in a vertical position while dosing the reagent Proper Use of Syringe 1 Push the plunger completely into the syringe and insert the tip into the solution 2 Pull the plunger up until the lower edge of the sealisexactlyonthemarkforthedesiredvolume 3 Take out the syringe and clean the outside of the syringe tip be sure that no drops ar...

Page 19: ... 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 In order to avoid reagent leaking and to obtain more accurate measurements close the cuvette first with the supplied HDPE plastic stopper and then the black cap Whenever the cuvette is placed into the measurement holder it must be dry ...

Page 20: ...ded 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 permanently stained All the reaction times reported in this manual are at 25 C 77 F In general the reaction time should be increased for temperatures lower than 20 C 68 F and decreased for temp...

Page 21: ...ssories see ACCESSORIES section MEASUREMENT PROCEDURE Select the Calcium method using the procedure described in the METHOD SELECTION section Note If tutorial mode is disabled follow the measurement procedure below If the tutorial mode is enabled press Measure and follow the messages on the screen Use a 5 mL syringe and add 3 mL of unreacted sample to the cuvette Use a pipette to fill the cuvette ...

Page 22: ... securely in the groove Press Zero The display will show 0 0 when the meter is zeroed and ready for measurement Remove the cuvette Use a 1 mL syringe and add 1 mL of HI93752B Ca Calcium Reagent B to the sample Invert the cuvette 10 times to mix about 15 seconds Insert the cuvette into the holder and ensure that the notch on the cap is positioned securely in the groove 1 mL ...

Page 23: ... invert the cuvette 10 times to mix about 15 seconds Insert the cuvette into the holder and ensure that the notch on the cap is positioned securely in the groove Press Read to start the reading The instrument displays the results in mg L of calcium Ca2 INTERFERENCES Interference may be caused by Acidity Alkalinity above 1000 mg L CaCO3 Magnesium above 400 mg L ...

Page 24: ... described in the METHOD SELECTION section Note If tutorial mode is disabled follow the measurement procedure below If the tutorial mode is enabled press Measure and follow the messages on the screen Use a 1 mL syringe and add 1 mL of HI93752A Mg Magnesium Reagent A to the cuvette Use a pipette to fill the cuvette up to the 10 mL mark with the HI93752B Mg Magnesium Reagent B Replace the plastic st...

Page 25: ...tte into the holder and ensure that the notch on the cap is positioned securely in the groove Press Read The display will show a 15 second countdown prior to the measurement To skip the timer press Read twice When the timer ends the meter will perform the reading The instrument displays the results in mg L of magnesium Mg2 INTERFERENCES Interference may be caused by Acidity Alkalinity above 1000 m...

Page 26: ...d the zero cuvettes are inverted Swap the cuvettes and repeat the measurement There is either too much light or the instrument can not adjust the light level Please check the preparation of the zero cuvette and that the sample does not contain any debris The meter is either overheating or its temperature has dropped too low to operate within published accuracy specifications The meter must be betw...

Page 27: ...he meter If the issue persists please contact Hanna Instruments technical support Battery level is too low for the meter to function properly Replace the batteries with new ones Tutorial mode has been enabled in the Setup menu Press Continue and follow the prompt on the screen Tutorial mode can be disabled in the Setup menu A critical error has occurred Restart the meter If the issue persists plea...

Page 28: ...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 29: ...13 blue carrying case for HI977xx and 3 CAL Check cuvettes HI731318 cloth for wiping cuvettes 4 pcs HI731331 glass cuvette 4 pcs HI731336N cap for glass cuvette 4 pcs HI740143 1 mL graduated syringe 6 pcs HI740144 pipette tip 6 pcs HI740157P plastic refilling pipette 20 pcs HI740236 5 mL graduated syringe 6 pcs HI93703 50 cuvette cleaning solution 230 mL HI97752 11 CAL Check standards for Calcium ...

Page 30: ...t 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 WARRANTY The HI97752 is warranted for two years against defects in workmanship and materials when used for its intended purpose and maintained according to instructions This warranty is limi...

Page 31: ...Hanna Instruments reserves the right to modify the design construction or appearance of its products without advance notice ...

Page 32: ...World Headquarters Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com MAN97752 Printed in ROMANIA ...

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