Honeywell ST 700 User Manual page 7

Symbol Description
®
The Factory Mutual Approval mark means the equipment has been rigorously
tested and certified to be reliable.
The Canadian Standards mark means the equipment has been tested and meets
applicable standards for safety and/or performance.
The Ex mark means the equipment complies with the requirements of the
European standards that are harmonised with the 94/9/EC Directive (ATEX
Directive, named after the French "ATmosphere EXplosible").
Revision 2.0 ST 700 Smart Pressure Transmitter User's Manual Page vii