1-1
Chapter 1,
Purpose and Scope
Purpose
In order to maintain the designed safety level (SIL 2) for installation and
operation of the MSA Ultima X Series Gas Monitors, this safety manual
provides the specific requirements of user responsibilities in the
following areas:
• proof testing
• transmitter repair and replacement
• reliability data
• product life
• environmental and application limits
• parameter settings.
Scope
This manual applies to the following analog output (4-20 mA) models:
• general-purpose Ultima XA monitor
• explosion-proof Ultima XE monitor
• explosion-proof Ultima XIR monitor.