Bamo Alarm System for Oil-Water Separators NivOil® / 12 V DC - Wiratama Mitra Abadi | Industrial Equipment



Bamo Alarm System for Oil-Water Separators NivOil® / 12 V DC

Alarm System for Oil-Water Separators NivOil® / 12 V DC

Designed for the monitoring of hydrocarbon fluids separators, the alarm device NIVOIL may be connected to 1, 2, or 3 sensors.

  • Hydrocarbon layer thickness sensor to detect when the maximum thickness is reached.
  • Overfill sensor to detect when the fluids are on the highest level.
  • Sludge layer sensor for alarming when maintenance is necessary.

The 3 sensors may be connected to any input of the alarm device NIVOIL. Any combination of the sensors can be wired. The instrument recognizes automatically the level sensor type. A LED indicates the sensor type on the diagram on the front board. The alarm device NIVOIL has a built-in buzzer; it is possible to disable its function.

Low power consumption

This model working with a 10 to 27 V DC power supply has low energy consumption. It is designed for the use of a solar-powered battery or any standard electric battery (consumption is 0.1 W – 12 V DC – with 3 sensors connected with one complete control cycle per hour).

Sleep mode

This model is adjustable by modifying the frequency of the control cycle (from 6 minutes up to 9 days). A continuous control mode could be switched on when there is no limit on consumption.

ATEX certified

All the components are ATEX certified. The sensors are for a location in zone 0 and the alarm device corresponds to zone 2.


  • Low power consumption - 10...27 V DC power supply input
  • Zone 0 ATEX certified (Zone 2 for the alarm device location)
  • Solar-powered or standard electric battery - Energy saving mode adjustable (control frequency adjustable from 6 min up to 9 days)
  • 3 inputs, for any NIVOIL probes
  • Automatic recognition of type probe
  • 3 relay outputs with an audible alarm

Another Article:


Main power supply:10...27 V DC
Power consumption:0.1 W / 12 V DC (3 sensors connected and 1 control cycle per hour)
Housing protection:IP65, according to EN 60529
Temperature limits:-20...+60°C
Sensor inputs:3 inputs with automatic sensor type detection
 for hydrocarbon fluids layer thickness, overfill level, sludge layer level
Monitoring:The alarm device NIVOIL has an auto-diagnostic of measuring loop
 a short circuit or a broken cable.
Display and signals:1 function signal LED (green) on each channel
 1 alarm signal LED (red) on each channel
 Built-in audible alarm, disabled by DIP switch configuration
Front panel:2 push buttons for diagnostic test and alarm clearance
Outputs:3 relay outputs, Power switch 250 V AC as a maximum / 3A, Potential free change over contacts
ATEX Certificate:BVS 10 ATEX E 011 / The alarm device may be mounted in Ex area, zone 2
Ex protection class:II 3 (1) G Ex NAC [ia Ga] IIB / IIA T4 Gc (Intrinsic safety)
CE MarksAccording to EC directives (72/23/EEC), Low Voltage Guidelines: RL 2006/95/EG & RL93/68/EWG,
 EMV Guidelines: RL 89/336/EWG (EN 61326)
ATEXRL 94/9/EG (ATEX 95)
 EN 60079-0 (General requirements) - EN 60079-11 (Intrinsic safety) - EN 60079-26 (Group II; category 1G)

Download Data Sheet: Alarm System for Oil-Water Separators NivOil®/ 12 V dc


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