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Dissolved Oxygen Calibration

Single Point Calibration

  1. Press the “Single-pt” button.
  2. Remove the cap and discard it. The cap is only used for protecting the probe during shipping.
  3. Expose the probe to air for 5-30 seconds.
  4. Press the “Calibrate” button. The screen should show “Successful Calibration;" otherwise, retry the calibration.

Dual Point Calibration (Optional)

  1. Press the “Dual-pt” button.
  2. Remove the cap and discard it. The cap is only used for protecting the probe during shipping.
  3. Press the “Calibrate” button. The screen should show “Successful Calibration;" otherwise, repeat steps 1-3.
  4. Place the probe in the Dissolved Oxygen solution, and stir to remove trapped air.
  5. Let the probe sit in the solution for 10-90 seconds.
  6. Press the “Calibrate” button. The screen should return to the main screen for Dissolved Oxygen; otherwise, repeat steps 4-6.