On this page you will see the the flow for the selected meter:
The flow This flow shows you the measured and the estimated reading within the period you want to see.
Measured you will see the measured reading with green color.
Estimated you will see the estimated reading with pink color.
The X coordinate shows you the time period for the the selected meter flow.
the Y coordinate shows you the reading in cubic meter per hour.
The greater than buttom
The less than button
The + button
The - button
The two date fields