AKSO OD Max Instruction Manual

Optical dissolved oxygen meter

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INSTRUCTION MANUAL
OD Max – AK121
OPTICAL DISSOLVED OXYGEN METER

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Summary of Contents for AKSO OD Max

  • Page 1 INSTRUCTION MANUAL OD Max – AK121 OPTICAL DISSOLVED OXYGEN METER...
  • Page 3: Table Of Contents

    CONTENTS 1 - SPECIFICATIONS ........................4 2 - ACCESSORIES .......................... 5 3 - OVERVIEW ..........................6 FRONT VIEW ..........................6 DISPLAY ............................. 7 4 – INSTRUCTIONS OF USE ......................8 UNIT CHANGE – % and mg/L ....................9 ADJUSTMENT .......................... 10 5 –...
  • Page 4: Specifications

    1 - SPECIFICATIONS Measurement Range: 0 to 20.00 mg/L Resolution: 0.01 / 0.1 mg/L ± 0.3 mg/L (0 to 9.99 mg/L) Accuracy: ± 2% of reading (10.00 to 20.00 mg/L) Measurement Range: 0 to 200 % Resolution: 0.1 % Temperature Measurement Range: 0 to 50 °C Resolution:...
  • Page 5: Accessories

    Items Included with the Instrument: 1 optical dissolved oxygen probe 1 storage and transport case 1 instruction manual 1 sample of 5% sodium sulfite Before use, carefully examine the instrument and the items included. If you detect any abnormalities, please contact Akso.
  • Page 6: Overview

    3 - OVERVIEW FRONT VIEW OD Max: 1 – Jack Connector (charger) 2 – Optical Oxygen Probe Connector (DO) 3 – Display 4 – Mode Button 5 – Down Button 6 – Hold/Enter Button 7 – Cal/Esc Button 8 – Up Button...
  • Page 7: Display

    3 - OVERVIEW DISPLAY OD Max: 1 - Automatic shutdown active 2 - Adjustment/calibration mode active 3 - Reading freeze active 4 - Inactive 5 - Low battery indicator 6 - Measurement unit in meters 7 - Measurement unit in percentage of saturation...
  • Page 8: Instructions Of Use

    4 – INSTRUCTIONS OF USE PROBE CONNECTION Follow the instructions below to properly connect the probe: 1) Remove the connector protection by pulling it carefully; 2) Note that the oxygen probe connector is black and located on the right side (front view) of the meter;...
  • Page 9: Turn On - Turn Off

     If communication between the instrument and the probe is not established correctly, the battery level will remain fixed on the screen, Reconnect the probe and restart the meter. If the issue persists, contact Akso!  The instrument is factory-calibrated, so periodic calibrations are not necessary.
  • Page 10: Adjustment

    4 – INSTRUCTIONS OF USE 4) Wait for the reading to stabilize and verify the measured value; 5) After completing the measurements, always rinse the probe with distilled water and store it dry.. NOTES:  Do not subject the probe to mechanical shocks! Irreversible damage may occur! ...
  • Page 11 4 – INSTRUCTIONS OF USE Adjustment to 0% 1) Ensure the probe is properly cleaned, with no residue on its tip; 2) Place a portion of 5% sodium sulfite in a glass, enough to cover the tip of the probe, or use the sample bottle provided with the equipment; 3) Turn on the instrument, immerse the probe, and wait for 3 minutes;...
  • Page 12: Additional Functions

    5 – ADDITIONAL FUNCTIONS DISPLAY LIGHTING To activate/deactivate the display lighting: 1) In measurement mode, press and hold the button to enter the setup mode. The display will show the indication P01; 2) Using the buttons navigate to the parameter P06 bL and briefly press the button to access it;...
  • Page 13: Settings

    6 - SETTINGS SETUP MODE  To access the instrument’s configurable parameter menu, in measurement mode, press and hold the button . The display will show the indication P01;  To navigate between parameters, use the buttons  To access a parameter, press the button ...
  • Page 14: P05 Bl - Enable/Disable Backlight

    6 - SETTINGS P05 bL – Enable/disable backlight  On (enable)  OFF (disable) P06 CLr – Inactive P07 APO – Enable/disable auto shutdown  On (enable)  OFF (disable) P08 rSt – Restore factory settings  YES (perform the reset) The figure below shows how the options for the accessed parameter are displayed: 1- Defined option 2- Another available...
  • Page 15: Maintenance

    7 - MAINTENANCE CLEANING THE OXYGEN PROBE The probe should be cleaned to ensure there are no deviations in measurements or impact on its lifespan. Follow the instructions below: 1) Using a soft cloth moistened with water, carefully remove any dirt from the probe tip.
  • Page 16 For more information about disposal services and locations, contact your local municipal office. Akso guarantees its instruments against manufacturing defects with the following coverage: 2 wears for bench meters, portable and pocket testers and 6 months for electrodes/sensors (unless otherwise indicated).

This manual is also suitable for:

Ak121

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