<< Click to Display Table of Contents >> Navigation:  User Guide > Converting a Counter to a Flow Rate

 

To convert a counter from a Digital Input on an instrument into a flow rate involves some math in Strategy.

 

The Strategy Event needs to trigger at a time interval as required to calculate the flow rate.

 

In the example below it is set to trigger every 4 seconds.

 

This is done by creating a 'Value Based Event' and watching SpecView's Time variable to see when it is 'Changed' by 4 seconds:

 

 

In the screenshot below, there are 3 Strategy Actions, which are:

 

Calculate the amount that CurrentCount has changed by since the LastCount and save it into a temporary variable.

 

Replace LastCount with the CurrentCount.

 

Factor is the conversion factor (which in the example below is 15) which is used to convert into the flow rate.