Cycle Power

  1. Locate the white battery lid at the top of the SDL.

    SDL white battery lid.


  2. Rotate the lid counter-clockwise to remove it.
    1. Note: Due to the double O-ring lid seal this will take significant effort to loosen.
    2. The 3/16″ ball-point hex driver included in the SDL maintenance kit can be inserted into either of the two recesses in the lid to provide extra leverage.

      The included hex tool can be used to provide additional leverage to turn the battery lid counterclockwise for removal.


      SDL battery lid removed.


  3. Wait approximately 60 seconds to allow residual power in the system to fully discharge.
  4. Thread the battery lid back on to the top bulkhead of the SDL.

    Replace the battery lid.


  5. Rotate the lid clockwise and tighten securely using the hex driver.
    1. Once the large washer at the bottom of the white battery lid makes contact with the battery terminals, power will be applied to the SDL.
      1. For X2-SDL or SDL-V2 data logger models, a buzzer will emit a sound when power is applied.
      2. Legacy SDL500 models do not contain a buzzer indicator and will remain silent.

SDL data logger.