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Meter Group ATMOS22 (Decagon DS2) - Wiring

The Decagon DS-2 is a rugged sonic anemometer that measures wind speed, wind direction and temperature (unshielded) to provide 6 outputs; Wind Speed, Wind Direction, Average Wind Speed (Meridional) m/s, Average Wind Speed (Zonal) m/s and Maximum Wind Gust m/s along with Air Temperature °C

It uses very little power and needs no calibration (see Decagon site for more details).

See below wiring on DS-2 end:

image-20240527-045628.png
image-20240527-045648.png

Refer to SDIM12 Connector wiring to connect the DS-2 to a Wildeye loggers SDI12 input.

Configuring Input

  1. Click Config sensors image-20240527-045745.png The Sensor Config window opens.

  2. Click Add... or Add New Input

    • The Add Input dialog opens.

  3. Select PIC SDI12 Ultra from the Select Input Type drop-down list. Click OK.

  4. Select 6 from the Choose the number of child SDI12 Input drop-down list. Click Add.

  5. On the newly created input, configure it to the following:

image-20240527-050307.png

Click on the Child Inputs. The child inputs corresponds to the below:

  • Child input 0 = Wind Speed m/s

  • Child input 1 = Wind Direction

  • Child input 2 = Air Temperature °C

  • Child input 3 = Average Wind Speed (Meridional) m/s

  • Child input 4 = Average Wind Speed (Zonal) m/s

  • Child input 5 = Maximum Wind Gust m/s

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