Dynasonics D601 Series Doppler Ultrasonic Flow Meter - Manual (Page 15)

Rev. 4/00 -3.2- D601
forth with your thumb using moderate pressure. The
cycle time should be 1-2 times per second.
8. Verify that signal strength increases with frequency of
the rubbing. Typical increases will range from 20-30
counts.
9. Verify that signal strength decreases when rubbing
ceases.
Bench Test is Complete
PART 3 - PRE-INSTALLATION CHECKOUT