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INSTRUCTION MANUAL

HI97708

Nitrite High Range

Photometer

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Summary of Contents for HI97708

Page 1: ...INSTRUCTION MANUAL HI97708 Nitrite High Range 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: ...6 1 METER 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...

Page 4: ...te A HI97708B CAL Check Cuvette B for Nitrite High Range Cloth for wiping cuvettes Scissors 1 5V AA Alkaline batteries CAL Check standard certificate Instrument quality certificate Instruction manual...

Page 5: ...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 sample...

Page 6: ...ector 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 i...

Page 7: ...users are able to validate the performance of 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...

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: ...hnique is listed in the method procedure The mixing method is indicated with shake gently using one of the following icons In order to avoid reagent leaking and to obtain more accurate measurements cl...

Page 19: ...in the 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 D...

Page 20: ...below If the tutorial mode is enabled press Measure and follow the messages on the screen Fill the cuvette with 10 mL of unreacted sample up to the mark Replace the plastic stopper and the cap Insert...

Page 21: ...wn prior to the measurement To skip the timer press Read twice When the timer ends the meter will perform the reading The instrument displays concentration in mg L of nitrite NO2 Press the key and use...

Page 22: ...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 23: ...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 24: ...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 25: ...gent 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 cuvette 4 pcs HI731336N...

Page 26: ...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 envi...

Page 27: ...Hanna Instruments reserves the right to modify the design construction or appearance of its products without advance notice...

Page 28: ...World Headquarters Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com MAN97708 Printed in ROMANIA...

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