- Oil-water separator monitoring: Meets the requirements of EN 858-1 and 2, for light liquid separators, sewage treatment.

The alarm unit NivOil-CU (BVS 07 ATEX E 090) monitors levels in oil/water separators, up to three detection probes.

The oil layer thickness probe NivOil-OP/.. (BVS 07 ATEX E 091 X) detects the thickness of hydrocarbons fluids layer floating over the water.

The overfill probe NivOil-HP/.. (BVS 07 ATEX E 092 X) detects the overfill level in the separator.
This alarm can inform that drainage is blocked.

The sludge level probe NivOil-SP/.. (BVS 09 ATEX E 021 X) detects the highest permissible level of sludge layer.
As soon as the sludge level has reached the too high level an alarm signal is triggered.

All detection loops are automatically set up (self recognition).
Therefore it is possible to connect any of the three intrinsically safe NivOil probes to any of the three intrinsically safe channels of the NivOil alarm unit.
The alarm unit NivOil-CU detects for each channel which probe is connected and indicates the corresponding LED on the front panel.
If a channel is not assigned, its LEDs remain dark during operation.

The unit has a built-in audible alarm (piezo); If necessary, it can be disabled through a DIP switch.