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Instruction Manual MA882, MA883, MA884 & MA885 Refractometers
for Wine and Grape Product Measurements

BATTERY REPLACEMENT

To replace the instrument’s battery, follow these steps:

• Turn the instrument OFF by pressing the 

ON/OFF

 key.

• Turn instrument upside down and remove the battery cover by turning it counterclockwise.

• Extract the battery from its location.

• Replace with fresh 9V battery making certain to observe polarity.

• Insert the back battery cover and fasten it by turning clockwise to engage.

Summary of Contents for MA882

Page 1: ...ters for W efractometers for Wine and ine and ine and ine and ine and Grape P Grape P Grape P Grape P Grape Product Measurements roduct Measurements roduct Measurements roduct Measurements roduct Meas...

Page 2: ...UNIT 15 CHANGING POTENTIAL ALCOHOL CONVERSION FACTOR MA884 only 15 MAKING A STANDARD BRIX SOLUTION 16 ERROR MESSAGES 17 BATTERY REPLACEMENT 18 WARRANTY 19 TABLEOFCONTENTS Remove the instrument from th...

Page 3: ...IBRATION TAG E AUTOMATIC TEMPERATURE COMPENSATION BLINKS WHEN TEMPERATURE EXCEEDS 10 40 C 50 104 F RANGE F PRIMARY DISPLAY DISPLAYS MEASUREMENT AND ERROR MESSAGES G TEMPERATURE UNITS H SECONDARY DISPL...

Page 4: ...VER J BATTERY COMPARTMENT BOTTOM BOTTOM BOTTOM BOTTOM BOTTOM A LIQUID CRYSTAL DISPLAY LCD B READ KEY USER MEASUREMENT C ZERO KEY USER CALIBRATION D RANGE KEY MA884 AND MA885 E ON OFF F STAINLESS STEEL...

Page 5: ...ractometers and are easily portable for measurements in the field The four instruments utilize internationally recognized references for unit conversion and temperature compensation MA882 measures Bri...

Page 6: ...3 minutes of non use Dimensions 19 2 x 10 2 x 6 7 cm 7 5 x 4 x 2 6 Weight 420 g 14 8 oz SPECIFICATIONS MA882 Range 0 to 50 Brix 0 to 80 C 32 to 176 F Resolution 0 1 Brix 0 1 C 0 1 F Accuracy 0 2 Brix...

Page 7: ...refractive index This is called refraction When passing from a material with a higher to lower refractive index there is a critical angle at which an incoming beam of light can no longer refract but w...

Page 8: ...A Methods Book International Commission for Uniform Methods of Sugar Analysis Since the majority of sugar in grape juice is fructose and glucose and not sucrose the reading is sometimes referred to as...

Page 9: ...since the conversion between sugar and alcohol depends on many factors such as the type of grapes the grape maturity the growing region and yeast fermentation efficiency and temperature Since no fixed...

Page 10: ...tended to measure grape wine solutions Do not expose instrument or prism to solvents that will damage it This includes most organic solvents and extremely hot or cold solutions Particulate matter in a...

Page 11: ...tage of remaining battery life When the LCD displays dashes the instrument is ready 2 Using a plastic pipette fill the sample well with distilled or deionized water Make sure the prism is completely c...

Page 12: ...Make sure the prism and sample well are completely dry 2 Using a plastic pipette drip sample onto the prism surface Fill the well completely Note If the temperature of the sample differs significantl...

Page 13: ...is turned off Temperature will be continuously updated Note The ATC tag blinks and automatic temperature compensation is disabled if the temperature exceeds the 10 40 C 50 104 F range 4 Remove sample...

Page 14: ...tial alcohol scale also indicates the conversion factor chosen for the potential alcohol reading See CHANGING POTENTIAL ALCOHOL CONVERSION FACTOR page 15 to change the current factor Note When changin...

Page 15: ...essing the ON OFF key 2 While continuing to hold the ON OFF key press the ZERO key The temperature unit will change from C to F or vice versa 8 seconds C or F CHANGINGTEMPERATUREUNIT CHANGINGPOTENTIAL...

Page 16: ...ON OFF key The new conversion factor will be used To make a Brix Solution follow the procedure below Place container such as a glass vial or dropper bottle that has a cover on an analytical balance T...

Page 17: ...e r P O L t y r a m i r P y a l p s i d l a C N O t n e m g e s C T A s d e e c x e e r u t a r e p m e T g n i r u d C 0 1 t i m i l w o l n o i t a r b i l a c I H t y r a m i r P y a l p s i d l a...

Page 18: ...strument s battery follow these steps Turn the instrument OFF by pressing the ON OFF key Turn instrument upside down and remove the battery cover by turning it counterclockwise Extract the battery fro...

Page 19: ...ser please return the instrument electrode and probe to either distributor or our office and the repair will be effected free of charge Damage due to accidents misuse tampering or lack of prescribed m...

Page 20: ...ls kik t sor 11 6726 Szeged Hungary Tel 36 62 428 050 Fax 36 62 428 051 e mail sales milwaukeeinst com Milwaukee Instruments Inc 2950 Business Park Drive Rocky Mount NC 27804 USA Tel 1 252 443 3630 Fa...

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