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Section 2 - Instructions for Safety
Important Notice
The following information must be read and followed by all users of the
Cygnus 1 Ex ultrasonic thickness gauge when used in an explosive
environment.
The protective features of the device may be impaired if it is used in a
manner not specified by Cygnus Instruments.
Ex Information
The Cygnus 1 Ex gauge is supplied with either,
• ATEX/IECEx/UKEX certificate marking, or
• NRTL / MET-US certificate marking when sold in North America.
ATEX, IECEx and UKEX Marking
I M1 Ex ia Ma
(T
= 0°C to +50°C)
amb
II 1G Ex ia IIC T4 Ga
(T
= 0°C to +50°C)
amb
Cygnus 1 Ex Operating Manual
Page 10 of 91
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