Safety notes
2.6 Safety Notes
FUE1010 IP65 NEMA 4X
Operating Instructions, 12/2014, A5E03086491-AC
21
Transmitter Markings and Explanations
● II (1) G [Ex ia] IIC– Transmitter located in the non-hazardous area with intrinsically
safe circuits of category Ex ia, which can be connected to Category 1 Sensors for use in
potentially explosive atmosphere containing gases
●
II 3 (1) G Ex nC [ia] IIC T5 (Tamb = 0° To + 60°C) – Category 3 Transmitter located in
Zone 2 explosive atmosphere with intrinsically safe circuits of category Ex ia, which can
be connected to Category 1 Sensors in Zone 0 for use in potentially explosive
atmosphere containing gases
●
II 2 (1) G Ex d [ia IIC] IIB T5 (Tamb = 0° To + 50°C) – Category 2 Transmitter located
in Zone 1 explosive atmosphere with intrinsically safe circuits of category Ex ia, which can
be connected to Category 1 Sensors for use in potentially explosive atmosphere
containing gases
●
II 2 (1) G Ex d [ia IIC] IIB+H2 T5 (Tamb = 0° To + 50°C) – Category 2 Transmitter
located in Zone 1 explosive atmosphere with intrinsically safe circuits of category Ex ia,
which can be connected to Category 1 Sensors for use in potentially explosive
atmosphere containing gases
● IP66 – Ingress protection against solid bodies, rating of dust-tight and against liquid,
rating of heavy seas
Sensor Markings and Explanations
● II 1 G Ex ia IIC T5 – Category 1 Sensors located in Zone 0 explosive atmosphere with
intrinsically safe circuits of category Ex ia for use in potentially explosive atmosphere
containing gases
● IP65 – Ingress protection against solid bodies, rating of dust-tight and against liquid,
rating of water jets
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