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Most polymers are specified with a tolerance of +/- 0.02 so a polymer with a nominal 0.8 IV could
have an Upper IV specified as 0.82 and a Lower IV specified as 0.78.
When the test parameters are correct, press the ENTER key to return to the edit test screen.
5.5 PASSwORD PROTECTION
The test parameters can be password protected to prevent unauthorised changes by non-technical
personnel. This feature also prevents any stored test data from being erased.
Display the "Select Test" screen.
Press the key under EDIT to display the edit test screen.
Press the key under GLOBAL to display the first "Global Options" screen.
Press the key under CHANGE PASSWORD to display the password entry screen.
Enter the required password then press the ENTER key.
Please make a note of the password because the test set-ups cannot be changed without entering
the password.
PET Plus User Manual
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