Milwaukee MI490 Instruction Manual
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Milwaukee MI490 Instruction Manual

Photometer for edible oils peroxide value
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INSTRUCTION MANUAL
MI490
Photometer for edible oils
Peroxide value
SATISFACTION
GUARANTEED

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Summary of Contents for Milwaukee MI490

  • Page 1 INSTRUCTION MANUAL MI490 Photometer for edible oils Peroxide value SATISFACTION GUARANTEED...
  • Page 2 This instruction manual will provide you the necessary information for correct use of the meter. All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of the copyright owner, Milwaukee Instruments Inc., Rocky Mount, NC 27804 USA.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS 1. FUNCTIONAL DESCRIPTION ............................4 2. GENERAL DESCRIPTION .............................5 3. SPECIFICATIONS ................................6 4. GUIDE TO DISPLAY CODES ............................7 5. GENERAL TIPS FOR AN ACCURATE MEASUREMENT ..................8 6. MEASUREMENT PROCEDURE ..........................9 7. ERROR MESSAGES ................................11 8. BATTERY REPLACEMENT ............................12 9.

  • Page 4: Functional Description

    4 MI490 Photometer for edible oils 1. FUNCTIONAL DESCRIPTION Display A. BATTERY STATUS ICON B. HOURGLASS ICON C. LAMP STATUS INDICATOR D. MEASURE STATUS E. MEASUREMENT UNIT F. MAIN DISPLAY G. PARAMETER NUMBER INDICATOR H. TIMER MODE INDICATOR I. SECONDARY DISPLAY Front Panel A.

  • Page 5: General Description 5

    GENERAL DESCRIPTION 5 2. GENERAL DESCRIPTION The MI490 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. All instruments are factory calibrated.

  • Page 6: Specifications

    6 MI490 Photometer for edible oils 3. SPECIFICATIONS Range 0.0 to 25.0 meq O Resolution 0.5 meq O Accuracy ±0.5 meq O Light Source Tungsten lamp Light Detector Silicon Photocell with narrow band interference filter @ 466 nm Adaptation of EC 2568/91 method and following amendments.

  • Page 7: Guide To Display Codes 7

    GUIDE TO DISPLAY CODES 7 4. 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

    8 MI490 Photometer for edible oils 5. GENERAL TIPS FOR AN ACCURATE MEASUREMENT The instructions listed below should be carefully followed during testing to ensure best accuracy. y The official method EC 2568/91 recommends to work at room temperature, between 15 and 25 °C.

  • Page 9: Measurement Procedure 9

    MEASUREMENT PROCEDURE 9 6. MEASUREMENT PROCEDURE Read the entire instructions before using the kit. y Remove the cap from a vial of MI490A-0 Peroxide reagent. y Use the graduated syringe to add exactly 1 mL of oil. For a correct use of the syringe, please see GENERAL TIPS FOR AN ACCURATE MEASUREMENT.
  • Page 10 10 MI490 Photometer for edible oils y When the countdown finishes, the meter makes the reading. If you have not used the TIMER key, press READ to make the measure. In both cases the display will show “----” during the measurement.

  • Page 11: Error Messages 11

    ERROR MESSAGES 11 7. 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 12: Battery Replacement

    12 MI490 Photometer for edible oils 8. 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 13: Accessories

    ACCESSORIES 13 9. ACCESSORIES Reagent Sets Mi590-021 Peroxides reagents (21 tests) Other Accessories Mi0006 1.5V AA batteries (4 pcs.) Mi0004 Tissue for wiping cuvets (4 pcs.)

  • Page 14: Certification

    If service is required, contact your local Milwaukee Instruments Technical Service. If the repair is not covered by the warranty, you will be notified of the charges incurred. When shipping any meter, make sure it is properly packaged for complete protection.
  • Page 15 Milwaukee 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. Alsó-kikötő sor 11C H-6726 Szeged - HUNGARY tel: +36 62 428 050 fax: +36 62 428 051 www.milwaukeeinst.com e-mail: sales@milwaukeeinst.com Milwaukee Instruments, Inc. 2950 Business Park Drive Rocky Mount, NC 27804 USA...

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