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INSTRUCTION MANUAL
Milwaukee W
Milwaukee W
Milwaukee W
Milwaukee W ine L
Milwaukee W
Mi453
Reducing Sugars
Reducing Sugars
Reducing Sugars
Reducing Sugars
Reducing Sugars
www.milwaukeetesters.com
ine L
ine L
ab Photometer
ab Photometer
ine L
ine L ab Photometer
ab Photometer
ab Photometer
www.milwaukeetesters.com
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Summary of Contents for Milwaukee Mi453
- Page 1 INSTRUCTION MANUAL Milwaukee W Milwaukee W ine L ine L ab Photometer ab Photometer Milwaukee W Milwaukee W ine L Milwaukee W ine L ine L ab Photometer ab Photometer ab Photometer Mi453 Reducing Sugars Reducing Sugars Reducing Sugars...
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Page 2: Table Of Contents
Instruction Manual Mi453 REDUCING SUGARS Photometer for wine analysis TABLE OF CONTENTS FUNCTIONAL DESCRIPTION ................3 GENERAL DESCRIPTION ..................4 SPECIFICATIONS ....................6 GUIDE TO DISPLAY CODES ................. 7 GENERAL TIPS FOR AN ACCURATE MEASUREMENT ..........8 MEASURENT PROCEDURE ................... 9 ERROR MESSAGES ................... -
Page 3: Functional Description
www.milwaukeetesters.com FUNCTIONAL DESCRIPTION DISPLAY A. BATTERY STATUS ICON B. HOURGLASS ICON C. LAMP STATUS INDICATOR D. MEASURE STATUS MEASUREMENT UNIT MAIN DISPLAY G. PARAMETER NUMBER INDICATOR H. TIMER MODE INDICATOR SECONDARY DISPLAY FRONT PANEL A. LID B. CUVET HOLDER C. LIQUID CRYSTAL DISPLAY (LCD) D. -
Page 4: General Description
Instruction Manual Mi453 REDUCING SUGARS Photometer for wine analysis GENERAL DESCRIPTION Thank you for choosing Milwaukee. This instruction manual will provide you the necessary information for correct use of the meter. Mi453 is an auto-diagnostic portable microprocessor meter. It has an advanced optical system based on a special tungsten lamp and a narrow band interference filter that allows most accurate and repeatable readings. - Page 5 www.milwaukeetesters.com Typical content of reducing sugars in must and wine Must sweet must 20-25 % 200-250 g/L normal 10-20 % 100-200 g/L in fermentation 4-12.5 % 40-125 g/L Wine Sweet 2.5-12.5 % 25-125 g/L Semi sweet 0.8-2.5 % 8-25 g/L Almost dry 0.2-0.8 % 2-8 g/L...
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Page 6: Specifications
Instruction Manual Mi453 REDUCING SUGARS Photometer for wine analysis SPECIFICATIONS Range 0.00 to 50.00 g/L Resolution 0.25 g/L Precision ±0.50 g/L @ 10.00 g/L Light Source Tungsten lamp Light Detector Silicon Photocell with narrow band interference filter @ 610 nm... -
Page 7: Guide To Display Codes
www.milwaukeetesters.com PROBE FUNCTIONAL DESCRIPTION PROBE FUNCTIONAL DESCRIPTION PROBE FUNCTIONAL DESCRIPTION PROBE FUNCTIONAL DESCRIPTION PROBE FUNCTIONAL DESCRIPTION GUIDE TO DISPLAY CODES This prompt appears for a few seconds each time the instrument is turned ON. This prompt indicates the battery capacity value. Indicates that the instrument is in a ready state and waiting for the next command (Timer or Zero). -
Page 8: General Tips For An Accurate Measurement
Instruction Manual Mi453 REDUCING SUGARS Photometer for wine analysis Indicates that the batteries are dead and must be replaced. After this message appears, the instrument is switched off. Change the batteries and restart the meter. GENERAL TIPS FOR AN ACCURATE MEASUREMENT The instructions listed below should be carefully followed during testing to ensure best accuracy. -
Page 9: Measurent Procedure
www.milwaukeetesters.com DIGESTION • At the end of the digestion period, the vials are still hot: allow the vials to cool to room temperature. MEASUREMENT PROCEDURE SAMPLE PREPARATION FOR RED WINE To remove interference of phenols, samples of Red Wine must be treated with activated carbon. •... - Page 10 Instruction Manual Mi453 REDUCING SUGARS Photometer for wine analysis • Filter the treated wine into an empty cuvet. This is the wine sample. Note: if the filtered wine is still red, repeat the above procedure. MEASUREMENT Note: A single blank vial may be used more than once; the blank vial is stable up to one week if stored in a dark place at room temperature.
- Page 11 www.milwaukeetesters.com • Replace the cap and invert the vials several times to mix. Wipe the vials thoroughly with a lint-free cloth. • Insert the vials into the reactor and heat them for 7 minutes at 105°C. Note: to obtain most accurate results, it is recommended to use the pre-programmed timer of the instrument, and remove the vials from the reactor after exactly 7 minutes.
- Page 12 Instruction Manual Mi453 REDUCING SUGARS Photometer for wine analysis • Place the Blank Vial into the instrument. Blank • Press ZERO and “----” will blink on the display. • After a few seconds the display will show “-0.0-”. The meter is now zeroed and ready for measurement.
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Page 13: Error Messages
175 g/L x 0.06=10.5% vol (potential alcohol degree) (potential alcohol degree) ERROR MESSAGES The meter has lost its configuration. Contact your dealer or the nearest Milwaukee Instruments Customer Service Center. on zero reading: “Light high”: there is too much light to perform a measurement. -
Page 14: Battery Replacement
Instruction Manual Mi453 REDUCING SUGARS Photometer for wine analysis on sample reading: “Inverted”: the sample and the zero cuvet are inverted. The sample absorbs less light than the zero reference. Check the procedure and make sure you use the same cuvet for reference (zero) and measurement. -
Page 15: Accessories
Damage due to accidents, misuse, tampering or lack of prescribed maintenance is not covered by the warranty. Milwaukee/Martini instruments reserves the right to make improvements in design, construction and appearance of its products without advance notice. - Page 16 THANK YOU FOR CHOOSING Sales and Technical Service Contacts: Milwaukee Electronics Kft. Alsókikötő 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 Fax: +1 252 443 1937 e-mail: sales@milwaukeetesters.com...
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