15. How many doses should be injected to optimize the PCT measurement? Jerome Palamara August 02, 2018 09:09 Updated Follow The calculated pressure delta must be able to inject between 10 and 20 doses during the measurement. Related articles 14. How much sample should be used in the measuring cell? 9. Why is there a shift in my result when switching from the low pressure sensor to the high pressure sensor? Comments 0 comments Please sign in to leave a comment.