OMICRON Level Alarm System (OAS)

OMICRON Level Alarm System(OAS) with sensors, is a complete level alarm system required either as an independent Overfill or High level and Overfill system on various type of tankers. When delivered. as a dual point system it is approved as two independent systems as required in the regulations. The system fulfils the latest IMO and classification societies’ rules and regulations.

Some features:
▪ Does not require any specialist engineer for installation or start up
▪ Proven to be very reliable
▪ Two years guarantee
▪ Cover all types of vessels (E.g. LNG, LPG, Chem, CT, PT etc.)
▪ Type approved by all major classification societies
▪ Extensive reference list
▪ Short delivery times

Sensors
Type HL-8903 for one level and type HHL-8903 for two levels.
We also provide special models for three levels, LNG/LPG vessels.
This float type sensor works on a permanent magnet – reed switch
principle, with the following advantages:
■ Approved for tank washing machine
■ Complete unit in stainless steel
■ Shown good performance in stickycargoes
■ Can handle high pressure, low density and high temp
■ Can operate in any type of cargo which can be pumped
■ Has a lifting knob on top of sensor for testing
■ Fail to safe operation. Closed contacts in normal position
■ Same alarm point for different cargodensities
■ No active electronic components in the open deck area

The Alarm Cabinet with AlarmPanel:
Type OAS 5 is a complete signal monitoring and alarm unit
which can be delivered for single or dual point sensors and is
equipped with:
■ Intrinsically safe connections to sensors
■ Potential free contacts for common external alarm light and horn
■ «Alarm hold» function
■ Option: RS 485/422 MODBUS RTU serial line communication
■ Power supply: 230 V AC & 24 V DC Backup
■ The Alarm Panel can be mounted either in a cabinet or in a
common console
■ The complete system can be tested by the test knob on the sensor’s
connection box

1. Alarm cabinet controlling the entire level alarm System, incl. intrinsically safe sensor connectors and optional Modbus communication
​2. Alarm panel with easy to  read, dedicated and independent high level as well as overflow indicators for each individual sensor
3. Extremely rugged control buttons enabling intuitive operation 
4. Stainless steel sensing tube containing fully separated and independent Electronics/ switches of the individual floats.
5. Unique omicron floats, suitable for all pumpable liquids and resistant to tank cleaning machines
6. Visual and audible deck side alarm indictors