The meter chart is a very simple chart that can be used to show a single value that exists between a minimum value and a maximum value. When configuring this chart you must select a minimum value and a maximum value and your returned results must exist within these values.
Your returned results should be a single value with a column name. For example, if you are getting the number of clients in your instance of Relativity, your results should look like this:
The following SQL script will be used for this example:
SELECT COUNT(*) as 'Client Count'
This will result in the following chart: