Oil Leak Detector NAR 300 system
4 Endress+Hauser
Ex d[ia]system : Ex d[ia] IIB T4
This Ex d[ia] system can monitor every process of oil leak detection to alarm output at outside
hazardous area.
The signal from the Float Sensor NAR 300 is received thought Sensor I/F Ex box from the Float
Sensor NAR 300 to the connecting terminal box of Transmitter NRR 261(Ex [ia]).
The Transmitter NRR 261 (Ex d[ia]) can connect directly to a junction box or gauge relay input
located outside the yard.
Float sensor NAR300- 15Axxx
Transmitter NRR261-3xx (Ex d[ia])
Alarm output:
Junction box (Ex d construction)
Level gauge etc.
Power supply: AC or DC
TIIS: TC18324
Ex [ia] exclusive cable use : 6 to 30m
TIIS: TC18325
Sensor I/F Ex box (Ex [ia])
Hazard area
EX
System block diagram
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