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Summary of Contents for Milwaukee Mi451
- Page 1 INSTRUCTION MANUAL Milwaukee Wine Lab Photometer Mi451 Copper www.milwaukeetesters.com...
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Page 2: Table Of Contents
Instruction Manual Mi451 COPPER 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 MEASUREMENT PROCEDURE ................10 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 Mi451 COPPER 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. Mi451 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 Factors favouring and inhibiting copper casse formulation in wine Necessary conditions Preventive for copper case formation Measures strong reducing conditions copper levels at less than 0.3 mg/L low iron concentrations limit SO addition high protein levels cold-stabilize and bentonite fine to reduce proteins in white wine light and heat This meter is supplied with:...
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Page 6: Specifications
Instruction Manual Mi451 COPPER Photometer for wine analysis SPECIFICATIONS Range 0.00 to 1.50 mg/L Resolution 0.05 mg/L Precision SD±0.05 mg/L @ 0.50 mg/L Light Source Tungsten lamp Light Detector Silicon Photocell with narrow band interference filter @ 560 nm Method The reaction between Copper and the reagents causes a purple tint in the sample. -
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 Mi451 COPPER 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 www.milwaukeetesters.com Repeat step a), b) and c) until all the organic solvent is transferred. Ensure that at least 1/ 3 of the cuvet is filled with organic solvent, otherwise erroneous results will be obtained. Notes: - If some wine sample is transferred too, this does not interferes with the method. - Try to avoid transferring suspended solids that might be present.
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Page 10: Measurement Procedure
Instruction Manual Mi451 COPPER Photometer for wine analysis MEASUREMENT PROCEDURE • Turn the instrument on by pressing ON/OFF. • When the LCD displays “----”, it is ready. • Use the 3 mL plastic pipette to fill two glass vials with 15 mL of wine sample (up to the mark). - Page 11 www.milwaukeetesters.com • Remove the cap of vial A. Use the 3 mL plastic pipette to transfer the upper layer (organic phase) into a cuvet. If some wine is transferred too, this does not interfere with the measurement. Cap the cuvet. This is the zero cuvet (A). •...
- Page 12 Instruction Manual Mi451 COPPER Photometer for wine analysis • Remove the cuvet from the instrument. • Insert the reacted sample cuvet into the holder and close the lid. • Press READ and the display will show “----” during measurement. • The instrument directly displays concentration in mg/L (ppm) of copper on the Liquid Crystal Display.
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Page 13: Error Messages
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. Please check the preparation of the zero cuvet. -
Page 14: Battery Replacement
Instruction Manual Mi451 COPPER Photometer for wine analysis BATTERY REPLACEMENT Battery replacement must only take place in a non-hazardous area. The blinking “ ” will appear when the batteries power gets low. When batteries are completely discharged, “0% bAtt” will appear and after two seconds the instrument is switched off. - Page 15 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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