Chapter 6 : Security
6-2 Lasair® Pro Aerosol Particle Counter Operations Manual
Security Overview
See the following sections for information on individual SECURITY tabs:
• Settings Tab on page 6-10
• Users Tab on page 6-12
• Audit Tab on page 6-15
• Audit Data Tab on page 6-16
Usernames
The Lasair Pro can manage and internally store up to 16 customizable usernames.
Usernames can be a minimum of 3 characters, with a maximum of 32 characters in length.
Each username must be unique. Once set, usernames cannot be changed.
Passwords
Passwords must be at least 4 characters and no more than 16 characters in length. The
Lasair Pro stores passwords in an encrypted form, and does not store unencrypted
passwords to prevent users or Particle Measuring Systems from displaying or exporting
unencrypted passwords.
Depending on configuration settings chosen by the administrator, passwords may have
an expiration and be chosen by the user. They may also be required to have a minimum
length longer than 6 characters.
Access Levels
The Lasair Pro allows users to be associated with dierent access levels. Once security is
enabled, No Login will be the default access level.
Name Description
No Login This access level supports viewing the HOME screen and logging in.
Operator
This access level supports operating basic instrument function on a
day-to-day basis.
Supervisor
This access level supports modifying some instrument settings at a
management level.
Administrator This access level supports all instrument capabilities.
Table 6-1. Access levels
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