YOKOGAWA YTA Series - 7.2 Optional Specifications: ATEX, FM, IECEx, CSA

7-2
IM 01C50C05-01EN
7.2 OptionalSpecications
ATEX, FM, IECEx, and CSA Intrinsically safe Approval
ATEX Intrinsically safe Approval
Applicable Standards: EN IEC 60079-0, EN 60079-11
Certicate: DEKRA 14ATEX0106 X
II 1 G Ex ia IIC T6...T4 Ga
II 2 D Ex ia IIIC Db
Amb. temp.:
For EPL Ga: The relation between ambient temperature range and
temperature class:
Temperature
Class
Ambient temperature range
Pi=0.84W Pi=0.75W
T6 –40°C to +40°C –40°C to +45°C
T5 –40°C to +55°C –40°C to +60°C
T4 –40°C to +85°C –40°C to +85°C
For EPL Db: The surface temperature of the outer enclosure is
+20 K above the ambient temperature, determined
without a dust layer.
Ambient temperaure range: –40 to 85°C
Supply and output circuit: Ui=30V, Ii=120mA, Pi=0.84W or 0.75W,
Ci=1nF, Li=0μH
Sensor circuit: Uo=9.6V, Io=28mA, Po=67.2mW, Co=3.5μF, Lo=35mH
FM Intrinsically safe Approval
Applicable Standards: Class 3600, Class 3610, Class 3611, Class 3810,
ANSI/ISA-60079-0:2009, ANSI/ISA-60079-11:2009
Intrinsically Safe for Class I, Division 1, Groups A, B, C & D
Class I, Zone 0, AEx ia, Group IIC, T6
Amb. Temp.: –40 to 60°C
Entity Parameters: V Max=30V, I Max=120mA, Pi=0.84W, Ci=1nF,
Li=10μH, Vt=9.6V, It=28mA, Po=67.2mW, Ca=3.5μF, La=35mH