Oil Leak Detector NAR 300 system
Endress+Hauser 19
*7: When the valve is kept open, please shape the oil layer by curving the nozzle down 100 mm
and over.
When the oil outflows from the pit before the detectable oil layer is shaped, it may cause on
alarm failure or delay.
In case of the pit without discharge nozzle, please create the condition which the oil layer is
shaped using a divider which separates oil from water.
*8: If necessory, please set up a divider to prevent the extreme wave, crosscurrent and dropping of
the liquid on the float.
*9: If a pit is too wide, oil layer may be too thin to detect.
If the oil leak layer is not thick enough, the oil cannot be detected.
*10: Please mount the NAR 300, NRR 261 and I/F Ex box at least 50 cm away from each other.
5 Installation
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