Malvern Mastersizer 3000 User Manual

Chapter 8 System security
Page 8-8 MAN 0474
4. On the Review ribbon, select Schedule from the Auditing group.
5. Choose a frequency of either Daily, Weekly or Monthly as required and then
click OK.
Electronics signatures
The electronics signature option allows any changes done on the system to be
checked and signed to acknowledge any work that has been done.
1. From the Application button menu, select Options.
2. Choose 21 CFR Part 11. and then enter the key you have been sent.
3. Click OK (the OK button is only available if you have entered a valid key).
4. Ensure that Enable Electronic Signatures is selected.
Record Signing
Withe the electronics signature enabled, the record sign-off features are available.
Select a measurement record and either right click and select Sign-off result; or
from the Review ribbon, select the Sign selected records button in the Elec-
tronic signatures group.
The sign-of result window will appear.

Malvern Mastersizer 3000 Specifications

General

Measurement principle	Laser diffraction
Blue laser wavelength	470 nm
Sample dispersion options	Wet and dry dispersion
Data acquisition rate	10 kHz
Particle size range	0.01 to 3500 microns
Laser type	He-Ne and solid state
Accuracy	Better than 1%
Repeatability	Better than 0.5%
Technology	Mie and Fraunhofer theories
Sample dispersion units	Hydro MV, Hydro LV, Aero S
Optical model	Mie theory
Power requirements	100-240 V, 50/60 Hz
Detector arrangement	Log-spaced array