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PRELIMINARY EXAMINATION ............................................................................................
GENERAL DESCRIPTION ....................................................................................................
ABBREVIATIONS ..............................................................................................................
SPECIFICATIONS ..............................................................................................................
PRECISION AND ACCURACY ..............................................................................................
PRINCIPLE OF OPERATION ...............................................................................................
FUNCTIONAL DESCRIPTION ...............................................................................................
ERRORS AND WARNINGS .................................................................................................
GENERAL TIPS FOR AN ACCURATE MEASUREMENT .............................................................
STARTUP ........................................................................................................................
MEASUREMENT PROCEDURE ............................................................................................
VALIDATION PROCEDURE .................................................................................................
CALIBRATION PROCEDURE ...............................................................................................
GLP ................................................................................................................................
BATTERY MANAGEMENT ...................................................................................................
BATTERY REPLACEMENT ...................................................................................................
ACCESSORIES ..................................................................................................................

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TABLE OF CONTENTS

Summary of Contents for HI96708

Page 1: ...INSTRUCTION MANUAL HI96708C Nitrite High Range ISM...

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 ha...

Page 3: ...PRINCIPLE OF OPERATION FUNCTIONAL DESCRIPTION ERRORS AND WARNINGS GENERAL TIPS FOR AN ACCURATE MEASUREMENT STARTUP MEASUREMENT PROCEDURE VALIDATION PROCEDURE CALIBRATION PROCEDURE GLP BATTERY MANAGEM...

Page 4: ...e Meter is supplied complete with Sample Cuvettes and Caps 2 pcs CAL CheckTM standard cuvettes 9V Battery Scissors Cloth for wiping cuvettes Instrument quality certificate Instruction Manual and Quick...

Page 5: ...the instruments fulfill field applications Display messages aid the user in routine operation The meter has an auto shut off feature that will turn off the instrument after 10 minutes of non use in me...

Page 6: ...er 1 hour of non use in calibration mode with last reading reminder Dimensions 192 x 104 x 69 mm 7 6 x 4 1 x 2 7 Weight 320 g 11 3 oz REQUIRED REAGENTS Code Description Quantity test HI93708 0 Powder...

Page 7: ...entration of the substance d optical path through the substance Therefore the concentration c can be calculated from the absorbance of the substance as the other factors are known Photometric chemical...

Page 8: ...ment process is carried out in two phases first the meter is zeroed and then the actual measurement is performed The cuvette has a very important role because it is an optical element and thus require...

Page 9: ...e press to confirm factory calibration restore READ TIMER this is a multi functional key In measurement mode press to make a measurement or press and hold for three seconds to start a pre programmed c...

Page 10: ...actory calibration 1 The measuring scheme lamp cuvette detector appears during different phases of zero or reading measurement 2 Error messages and warnings 3 The battery icon indicates the charge sta...

Page 11: ...check the preparation of the zero cuvette Light Low There is not enough light to perform a measurement Please check the preparation of the zero cuvette No Light The instrument cannot adjust the light...

Page 12: ...icates an over range condition The concentration of the sample is beyond the programmed range dilute the sample and re run the test c during calibration procedure Standard Low The standard reading is...

Page 13: ...mark Proper use of the powder reagent packet a use scissors to open the powder packet b push the edges of the packet to form a spout c pour out the content of the packet It is important that the samp...

Page 14: ...it is important to discard immediately the sample otherwise the glass might become permanently stained All the reaction times reported in this manual are referred to 25 C 77 F In general the reaction...

Page 15: ...n by pressing ON OFF The display briefly shows all tags on When the beeper sounds briefly and the LCD displays dashes the meter is ready The blinking ZERO indicates that the instrument needs to be zer...

Page 16: ...w seconds the display will show 0 0 The meter is now zeroed and ready for measurement Remove the cuvette Add the content of one packet of HI93708 0 reagent Replace the cap and shake gently Replace the...

Page 17: ...f 3 29 To convert the NO2 ion to sodium nitrite NaNO2 concentration multiply the reading by a factor of 1 5 MEASUREMENT PROCEDURE Alternatively wait for 10 minutes then just press READ TIMER In both c...

Page 18: ...will be obtained Turn the meter on by pressing ON OFF When the beeper sounds briefly and the LCD displays dashes the meter is ready Place the CAL CheckTM Standard HI96708 11 Cuvette A into the cuvett...

Page 19: ...e At the end of the measurement the display will show the validation standard value The reading should be within specifications as reported in the CAL CheckTM Standard Certificate If the value is foun...

Page 20: ...TM Standard HI96708 11 Cuvette A into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove Note It is possible to interrupt calibration procedure at any time...

Page 21: ...for reading calibration standard Remove the cuvette Place the CAL CheckTM Standard HI96708 11 Cuvette B into the cuvette holder and ensure that the notch on the cap is positioned securely into the gr...

Page 22: ...2008 appears on the display or 01 01 2008 if the factory calibration was selected before In both cases the year number is blinking ready for date input Press GLP to edit the desired year 2000 2099 If...

Page 23: ...pressed the day number is automatically increased Note It is possible to change the editing from day to year and to month by pressing READ TIMER Press ZERO CFM to save the calibration date The instru...

Page 24: ...y and the instrument returns to measurement mode after three seconds It is possible to delete the calibration and restore factory calibration Press GLP to enter GLP mode In the GLP mode the last user...

Page 25: ...itched on The blinking ZERO means that a new zero has to be performed One fresh battery lasts for around 750 measurements depending on the light level The remaining battery capacity is evaluated at th...

Page 26: ...ockwise to close To replace the instrument s battery follow the steps BATTERY REPLACEMENT ACCESSORIES MAN96708 01 18 Reagent Set HI93708 01 Reagents for 100 tests HI93708 03 Reagents for 300 tests Oth...

Page 27: ...6708 is warranted for two years against defects in workmanship and materials when used for its intended purpose and maintained according to the instructions This warranty is limited to repair or repla...

Page 28: ...a Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com Local Office Hanna Instruments USA 270 George Washington Highway Smithfield RI 02917 Phone 800...

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