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Hanna Instruments HI 96813 Instruction Manual Download Page 8

8 

1. Liquid Crystal Display (LCD)
2. Secondary Display
3. Primary Display
4. 

READ

 Key (User Measurement)

5. 

ZERO

 Key (User Calibration)

6. 

RANGE

 Key (User Measurement Unit)

7. 

ON/OFF

 

8. Stainless Steel Sample Well and Prism

TOP VIEW

FUNCTIONAL DESCRIPTION

  9.   Battery Cover
  10. Battery Compartment

BOTTOM

10

Summary of Contents for HI 96813

Page 1: ...1 HI96813 Refractometer for Sucrose in Wine and Grape Products Measurements INSTRUCTION MANUAL ...

Page 2: ...anna Instruments product Please read this instruction manual carefully before using this instrument This manual will provide you with the necessary informa tion 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 Cu...

Page 3: ...iption Display Elements Measurement Guidelines Calibration Procedure Measurement Procedure To Change Measurement Unit To Change Temperature Unit and Conversion Factor Making a Standard Brix Solution Battery Replacement Error messages Accessories 4 5 6 9 11 15 6 8 10 14 TABLE OF CONTENTS 16 13 12 17 18 ...

Page 4: ...s occurred contact your local Hanna Instruments Office Each HI96813 instrument is supplied with 9 V battery Instruction manual Plastic pipette Quality Certificate Note Save all packing material until you are sure that the instrument functions correctly A defective instrument must be returned in its original packing PRELIMINARY EXAMINATION ...

Page 5: ...ser calibration with deionized or distilled water Within seconds the instrument measures the refractive index of the grape These digital refrac tometerseliminatetheuncertaintyassociatedwithmechanicalrefractometers and are easily portable for measurements in the field Temperature in C or F is displayed simultaneously with the measurement on the large dual leveldisplayalongwithiconsforLowPowerandoth...

Page 6: ... 12 3 oz SPECIFICATIONS The Brix determination is made by measuring the refractive index of a solution Refractive Index is an optical characteristic of a substance and the number of dissolved particles in it Refractive Index is defined as the ratio of the speed of light in empty space to the speed of light in the substance A result of this property is that light will bend or change direction when ...

Page 7: ...andanadjustableconversionfactorbetween0 50and0 70 0 55 is a common value Potential alcohol V V 0 50 to 0 70 x Brix One drawback of the above equation is that it does not take into account the nonfermentable sugars and extract A second equation was also added that takes these factors into account and cangiveamoreaccurateestimateofthealcoholcontentinthefinishedwine Thisconversionisnamed C1 onthemete...

Page 8: ...Display 3 Primary Display 4 READ Key User Measurement 5 ZERO Key User Calibration 6 RANGE Key User Measurement Unit 7 ON OFF 8 Stainless Steel Sample Well and Prism TOP VIEW FUNCTIONAL DESCRIPTION 9 Battery Cover 10 Battery Compartment BOTTOM 10 ...

Page 9: ...Tag 4 SETUP Factory Calibration Tag 5 CAL Calibration Tag 6 Measurement Unit 7 Automatic Temperature Compensation blinkswhentemperatureexceeds10 0 40 0 C 50 0 104 0 Frange 8 Temperature Units 9 Secondary Display displays temperature measurements when blinking temperature has exceeded operation range 0 0 80 0 C 32 0 176 0 F DISPLAY ELEMENTS ...

Page 10: ...rganic solvents and extremely hot or cold solutions Particulate matter in a sample may scratch the prism Absorb sample with a soft tissue and rinse sample well with deionized or distilled water between samples Use plastic pipettes to transfer all solutions Do not use metallic tools such as needles spoons or tweezers as these will scratch the prism To reduce the effects of evaporation or absorption...

Page 11: ... sample well with distilled or deionized water Make sure the prism is completely covered CALIBRATION PROCEDURE 4 Gently absorb the ZERO water standard with a soft tissue Use care not to scratch the prism surface Dry the surface completely The instrument is ready for sample measurement Note If the instrument is turned off the calibration will not be lost Note If the ZERO sample is subject to intens...

Page 12: ...ith a soft tissue 5 Using a plastic pipette rinse prism and sample well with distilled or deionized water Wipe dry The instrument is ready for the next sample Verify the instrument has been calibrated before taking measurements 1 Wipe off prism surface located at the bottom of the sample well Make sure the prism and sample well are completely dry 2 Using a plastic pipette drip sample onto the pris...

Page 13: ... or P ALc for potential alcohol When the instrument displays the screen with 4 dashes the instrument is ready for measurement The potential alcohol scale also indicates the conversion factor chosen for the potential alcohol reading See TO CHANGE TEMPERATURE UNIT AND CONVERSION FACTOR page 14 to change the current factor Note When changing ranges the presently configured conversion factor will be d...

Page 14: ...actor you desire release the ON OFF key The new conversion factor will be used TO CHANGE TEMPERATURE UNIT AND CONVERSION FACTOR To change the temperature measurement unit from Celsius to Fahrenheit or vice versa follow this procedure 1 Press and hold the ON OFF key continuously for approximately 15 seconds The LCD will display the all segment screen followed by a screen with the model number on th...

Page 15: ...y into the container Add distilled or deionized water to the container so the total weight of the solution is 100g Note Solutionsabove60 Brixneedtobevigorouslystirredorshaken and heated in a water bath Remove solution from bath when sucrose hasdissolved Thetotalquantitycanbescaledproportionallyforsmaller containers but accuracy may be sacrificed Example with 25 Brix Brix g Sucrose g Water g Total ...

Page 16: ... off Turn instrument upside down and remove the battery cover by turning it counterclockwise Extract the battery from its location Replace with a new 9V battery making sure to observe polarity Insert the back battery cover and fasten it by turning clockwise to engage BATTERY REPLACEMENT ...

Page 17: ...display Cal segment ON Temperature exceeds ATC low limit 10 0 C during calibration t HI primary display Cal segment ON Temperature exceeds ATC high limit 40 0 C during calibration Air Prism surface insufficiently covered ELt Too much external light for measurement Cover sample well with hand nLt LED light is not detected Contact your local Hanna Instruments Office Battery segment blinking 5 of bat...

Page 18: ...18 MAN96813 04 17 Code Description HI4020 11 50 Brix standard 10 mL HI740157P Plastic refilling pipette 20 pcs HI740029P 9V battery 10 pcs ACCESSORIES ...

Page 19: ...umber and the nature of the problem If the repair is not covered by the warranty you will be notified of the charges incurred If the instrument is to be returned to Hanna Instruments first obtain a Returned Goods Authorization number from the Technical Service department and then send it with shipping costs prepaid When ship ping any instrument make sure it is properly packed for complete protecti...

Page 20: ...ments 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 800 426 6287 Fax 401 765 7575 e mail tech hannainst com MAN96813 ...

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