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ARNING & ERROR DESCRIPTIONS

Date and time settings have been lost. Please reset 

the values. If the issue persists, please contact Hanna 

Instruments technical support.

English is the only available language. Help function 

is not available. Restart the 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, please contact Hanna Instruments 

technical support.

Summary of Contents for HI97719

Page 1: ...INSTRUCTION MANUAL HI97719 Magnesium Hardness Photometer...

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

Page 3: ...ER VALIDATION CAL CHECK CALIBRATION 11 6 2 CHEMICAL FORMULA UNIT CONVERSION 12 6 3 GLP 13 6 4 LOGGING DATA LOG RECALL 13 6 5 GENERAL SETUP 14 6 6 REAGENTS ACCESSORIES 16 6 7 CONTEXTUAL HELP 16 6 8 BAT...

Page 4: ...HI97719B CAL Check Cuvette B for Magnesium Hardness and Total Hardness Cloth for wiping cuvettes 1 5V AA Alkaline batteries CAL Check standard certificate Instrument quality certificate Instruction ma...

Page 5: ...urs 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 reag...

Page 6: ...ss 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...

Page 7: ...the instrument at any time and apply a user calibration if necessary Hanna Instruments CAL Check cuvettes are made with NIST traceable standards The built in tutorial mode guides users step by step th...

Page 8: ...ver 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 hol...

Page 9: ...sorbed 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 absorptio...

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 wherea...

Page 11: ...m 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 CAL Check from measurement mode The Not Available message or...

Page 12: ...creen OUT OF SPECIFICATION A user calibration is not allowed the measured value is outside of the tolerance window Check the certified value expiration date and clean the outside of the cuvette Repeat...

Page 13: ...l 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 old...

Page 14: ...ease 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 fu...

Page 15: ...ption 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 func...

Page 16: ...ore Factory Settings Press Select to reset to factory settings Press Accept to confirm or Cancel to exit without restoring the factory settings 6 6 REAGENTS ACCESSORIES Press the key to enter the menu...

Page 17: ...o 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...

Page 18: ...Take out the syringe and clean the outside of the syringe tip be sure that no drops are hanging on the tip of the syringe Then keeping the syringe in vertical position above the cuvette push the plun...

Page 19: ...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...

Page 20: ...reacted sample stand too long after reagent has been added For best accuracy respect the timings described in the method It is possible to take multiple readings in a row but it is recommended to tak...

Page 21: ...accessories see ACCESSORIES section MEASUREMENT PROCEDURE Note If tutorial mode is disabled follow the measurement procedure below If the tutorial mode is enabled press Measure and follow the message...

Page 22: ...e second cuvette 2 Replace the plastic stopper and the cap Invert several times to mix the solution This is the sample Insert the blank 1 into the holder and ensurethatthenotchonthecapispositioned sec...

Page 23: ...degrees E SAMPLE DILUTION This meter is designed to determine low levels of hardness typically found in water purification systems Dilutions must be performed with hardness free water or the readings...

Page 24: ...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 cu...

Page 25: ...e 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...

Page 26: ...nt 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...

Page 27: ...case for HI977xx and 2 CAL Check cuvettes HI731318 cloth for wiping cuvettes 4 pcs HI731331 glass cuvette 4 pcs HI731336N cap for glass cuvette 4 pcs HI740143 graduated syringe 1 mL 6 pcs HI740144 pi...

Page 28: ...ste Hand them over to the appropriate collection point for recycling Ensuring proper product and battery disposal prevents potential negative consequences fortheenvironmentandhumanhealth Formoreinform...

Page 29: ...equired contact your local Hanna Instruments Office If under warranty report the model number date of purchase serial number engraved on the bottom of the meter and the nature of the problem If the re...

Page 30: ...30 MAN97719 11 19...

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 MAN97719 Printed in ROMANIA...

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