13 Manual Updated May 19, 2020
Increasing Differential Pressure
When the pressure is increasing, the arrows on the right side of the graph will be darkened as in
the picture above. The faster the pressure is increasing; the more arrows will be darkened.
Decreasing Differential Pressure
When the pressure reading is decreasing, the arrows on the left side of the graph will be darkened
as in the picture above. The faster the pressure is decreasing; the more arrows will be darkened.