The Cygnus 1 Intrinsically Safe is certified to Ex II 1 G EEx 1a IIC T6 for use in hazardous areas. This means no plant shutdown or hot work permit is required, and a bright LED display ensures easy use in all conditions.
Download datasheet here
Ultrasonic Thickness Gauges 
The Cygnus 1 Intrinsically Safe is certified to Ex II 1 G EEx 1a IIC T6 for use in hazardous areas. This means no plant shutdown or hot work permit is required, and a bright LED display ensures easy use in all conditions.