The value in the 'Category' column in the counter tables (below) reflects the counter category. So, for a client tool to display a delta counter, it must get a snapshot of the counter (its raw value) ...The value in the 'Category' column in the counter tables (below) reflects the counter category. So, for a client tool to display a delta counter, it must get a snapshot of the counter (its raw value) at two points in time and return the difference. Means that two samples of this counter and two samples of the base counter have to be taken at two different points in time The value in the 'Type' column in the counter tables (below) reflects the counter type.