> For the complete documentation index, see [llms.txt](https://brightwind.gitbook.io/brighthub-user-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://brightwind.gitbook.io/brighthub-user-docs/reference-user-manual/setup-tab/logger-measurement-configs.md).

# Logger Measurement Configs

### Logger Measurement Configs Tab

The Logger Measurement Configs tab is used to describe how a sensor for a measurement point is connected and programmed into the logger.<br>

<figure><img src="/files/YJj1h7W0zBnJdEGtzo3i" alt=""><figcaption></figcaption></figure>

* Each row of the Logger Measurement Configs table associates a Measurement Point from the Measurements tab with a Column Group from the Data Column Names tab.
* In the example shown, the measurement point 'Dir1\_78\_5m' is associated with Group 15 which is a grouping of all data column names relevant for this measurement point.<br>

  <figure><img src="/files/KR832mL4dGgsovVybjAW" alt=""><figcaption></figcaption></figure>
* Double click on the 'Column Names' field for a Measurement Point to see which group number the list of column names refers to. To modify the grouping of column names, refer to the Data Column Names tab as outlined above.
* The 'Measurement Point' field in the logger measurement configs table must be selected from the dropdown list of Measurements. To modify the 'Measurement Point' names or add a new 'Measurement Point' refer to the Measurements tab.
* The Logger Measurement Configs table includes metadata extracted from the data files which relate to the settings programmed into the logger for each measurement. These logger-stated properties include the logger slope, logger offset, sensitivity, measurement unit, logger stated height, logger stated height, logger stated boom orientation and connection channel.
* For a given measurement, if any of the logger-stated metadata changes, this should result in a separate logger measurement config.
* The Date From and Date To for each config reflect the time period for which that config applies. If the Date To is '---', this is the currently active config. There may be multiple logger measurement configs for a single measurement, but the time periods cannot overlap.\
  For example, there are two logger measurement configs for 'Spd5\_20m' as the logger offset was changed on 2016-12-01.<br>

  <figure><img src="/files/2S7LM9LpC3K9BMKiokDV" alt=""><figcaption></figcaption></figure>
* Logger-stated properties extracted during processing of the raw logger files are typically uneditable to provide traceability of the metadata on BrightHub.


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