Milwaukee MI605 Instruction Manual
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Milwaukee MI605 Instruction Manual

Dissolved oxygen meter
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INSTRUCTION MANUAL
MI605
Dissolved Oxygen
Meter
SATISFACTION
GUARANTEED

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Summary of Contents for Milwaukee MI605

  • Page 1 INSTRUCTION MANUAL MI605 Dissolved Oxygen Meter SATISFACTION GUARANTEED...
  • Page 2 THANK YOU for choosing Milwaukee Instruments! This instruction manual will provide you the necessary information for correct use of the meters. All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of the copyright owner,...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS 1. SPECIFICATIONS ......................4 2. ACCESSORIES ......................4 3. INITIAL OPERATIONS ....................4 4. PROBE PREPARATION .....................5 5. PROBE POLARIZATION ...................6 6. MEASUREMENTS .......................7 7. ALTITUDE COMPENSATION ...................8 8. SALINITY COMPENSATION ...................9 9. CALIBRATION PROCEDURE ................10 10. PROBE & MEMBRANE MAINTENANCE ............11 11.

  • Page 4: Specifications

    4 MI605 Dissolved Oxygen Meter 1. SPECIFICATIONS 0.0 to 45.00 mg/L (ppm) O Range 0.0 to 300 % O 0.0 to 50.0 °C 0.01 mg/L (ppm) O / 0.1 %O Resolution 0.1 °C ± 1.5% F.S. (mg/L O / %O Accuracy (@25°C)

  • Page 5: Probe Preparation 5

    PROBE PREPARATION 5 4. PROBE PREPARATION D.O. probes are shipped dry. To hydrate the probe and prepare it for use, connect it to the meter and proceed as follows. 1. Remove the red and black plastic cap. SHIPPING This cap is used for shipping purposes only and can be thrown away.

  • Page 6: Probe Polarization

    6 MI605 Dissolved Oxygen Meter 5. PROBE POLARIZATION The probe is under polarization with a fixed voltage of approximately 800 mV. Probe polarization is essential for stable measurements with the same recurring degree of accuracy. With the probe properly polarized, oxygen is continually "consumed"...

  • Page 7: Measurements 7

    MEASUREMENTS 7 6. MEASUREMENTS Make sure the meter has been calibrated and the protective cap has been removed. Immerse the tip of the probe in the sample to be tested while ensuring that also the temperature sensor is immersed. For accurate dissolved oxygen measurements, a water movement of at least 0.3 m/sec is required.

  • Page 8: Altitude Compensation

    8 MI605 Dissolved Oxygen Meter 7. ALTITUDE COMPENSATION To enter altitude compensation, press the FACTOR key and the meter will display the “ALT FACTOR” message. Use UP and DOWN keys to set the altitude from 0 to 4.0 km, in steps of 0.1 km.

  • Page 9: Salinity Compensation 9

    SALINITY COMPENSATION 9 8. SALINITY COMPENSATION To enter salinity compensation, press the FACTOR key twice and the “SALT FACTOR” message will be displayed. Use UP and DOWN keys to set the salinitybetween 0 and 80 g/L. The meter will automatically compensate for salinity effects (see also following table for verification).

  • Page 10: Calibration Procedure

    10 MI605 Dissolved Oxygen Meter 9. CALIBRATION PROCEDURE Calibration is simple and is recommended every time the meter is switched on. y Make sure the probe is ready for measurements (see Probe Preparation), i.e. the membrane is filled with electrolyte and the probe is connected to the meter and properly polarized.

  • Page 11: Probe & Membrane Maintenance 11

    PROBE & MEMBRANE MAINTENANCE 11 10. PROBE & MEMBRANE MAINTENANCE The D.O. probe body is made of reinforced plastic for maximum durability. A thermistor temperature sensor provides temperature measurements of the tested sample. It is always recommended to keep the protective cap on the probe when not in use, to protect it against damage and dirt.
  • Page 12 12 MI605 Dissolved Oxygen Meter Note: To obtain accurate and stable measurements, it is important that the surface of the membrane be in perfect condition. This semipermeable membrane isolates the sensor elements from the environment, but allows oxygen to enter.

  • Page 13: Battery Replacement 13

    BATTERY REPLACEMENT 13 11. BATTERY REPLACEMENT When the battery becomes weak, the meter will display the blinking battery symbol to indicate that only about 10 hours of battery life remain. A low battery will result in unreliable measurements. It is recommended to replace the battery immediately by using an alkaline 9V battery.

  • Page 14: Certification

    Damage due to accidents, misuse, tampering or lack of prescribed maintenance is not covered by warranty. 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.
  • 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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