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BA

TTERY REPLACEMENT

10.  BATTERY REPLACEMENT

To replace the instrument’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.

Summary of Contents for HI97729

Page 1: ...INSTRUCTION MANUAL HI97729 Fluoride Low 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: ...GENERAL OPERATIONS 11 6 1 METER VALIDATION CAL CHECK CALIBRATION 11 6 2 GLP 12 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 MANAG...

Page 4: ...or Fluoride Low Range HI97729B CAL Check Cuvette B for Fluoride Low Range Cloth for wiping cuvettes 1 5V AA Alkaline batteries CAL Check standard certificate Instrument quality certificate Instruction...

Page 5: ...iately 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 reac...

Page 6: ...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 bac...

Page 7: ...rmance 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 in tutorial mode guides users step...

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: ...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 t...

Page 12: ...Cancel to return to the previous screen 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...

Page 13: ...the key to enter the menu Use the functional keys to select Log Recall and press Select Use the functional keys to highlight a log and press Info to view additional information about the log From this...

Page 14: ...n 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 savi...

Page 15: ...or 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 Op...

Page 16: ...o 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 HI97729 offers an in...

Page 17: ...ostic 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 ba...

Page 18: ...s been delivered into the cuvette 7 2 CUVETTE PREPARATION Proper mixing is very important for reproducibility of the measurements The proper mixing technique is listed in the method procedure Invert t...

Page 19: ...s remove such bubbles by swirling or by gently tapping the cuvette Do not let the reacted sample stand too long after reagent has been added For best accuracy respect the timings described in the meth...

Page 20: ...mode is enabled press Measure and follow the messages on the screen Useasyringeandadd2mLofHI93729 0 Fluoride LR Reagent to two cuvettes Use a plastic pipette to fill one cuvette 1 with DIW up to the 1...

Page 21: ...sults in mg L of fluoride F Note For wastewater or seawater samples before performing measurements distillation is required For most accurate results use two graduated pipettes to deliver exactly 8 mL...

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: ...HI7101412 blue carrying 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 1 mL graduated s...

Page 26: ...hich 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 environme...

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 MAN97729 Printed in ROMANIA...

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