Attach a micron gauge to the male flare end, a gauge to the tee end, and a line from the tee to the pump. Turn the pump on and you will notice the side closest to the pump will be a lot lower than the other.
The WEEKNUM function is used in Excel to return the week number of a specific date in the year (a number between 1 and 54). It has two arguments, the 1st is required and the 2nd is optional: WEEKNUM(serial_number, [return_type]) Serial_number - any date within the week whose number you are trying to find.
Excel WEEKNUM function with an optional second argument of 2. Week one begins on January 1st; week two begins on the following Monday. Simple week numbering. Week one begins on January 1st, week two begins on January 8th, and week 53 has only one or two days (for leap years).