How do you calibrate the Friability Apparatus or Friability Tester or Friabilitor?
Calibration Procedure of friability test apparatus as follow,
Calibration will be performed on Time mode and Count mode of the friability Tester or friabilitor.
A. Calibration by Time mode:
Set the time by selecting the Time mode and setting the time to 1 minute.
Then start the apparatus and check the No. of Revolutions in 1 minute.
Repeat the test by setting the time for 2 minutes, 4 minutes and check the No. of Revolutions in 2 minutes, 4 minutes and record the result.
Each test is to be performed in triplicate.
Acceptance criteria:
24 to 26 rotations in 1 minute.
48 to 52 rotations in 2 minutes.
96 to 104 rotations in 4 minutes.
B. Calibration by Count mode:
Set the count by selecting count mode and set the count to 25 revolutions.
Start the apparatus and check the time with the help of a stopwatch complete 25
Repeat the test by setting the count to 50 revolutions, 100 revolutions, and checking the time with the help of a stopwatch to complete 50 revolutions, 100 revolutions, and record the result.