Contact Details

Gertsen & Olufsen AS

Savsvinget 4
DK-2970 Hørsholm
Denmark

Tel: +45 4576 3600

Fax: +45 4516 4199

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Gertsen & Olufsen (Monitoring)

G&O Survey Water Monitor

Detects water in your Lubricating Oil, Hydraulic Oil or Fuel Oil Systems before it is too late.

The G&O Survey Water (in oil) Monitor is unique well-proven and well-tested water in oil monitoring system, which provides operators of all type of Engines, Turbines, Thrusters, Azipods, Gears, Separators and Stabilizers with an early warning of water contamination of any oil system. The main task is to prevent any breakdown caused by water in the lubrication system and possible loss of any engine. The working principle of the G&O Survey Water Monitor System is based on the difference in boiling points of water and oil. In short, a continuous flow of oil is by-passed through the Evaporator where the oil is heated sufficiently to evaporate any water and subsequently the condensed water is measured by passing through a sealed orifice calibrated to produce drops of an exactly fixed size. Each drop from the orifice causes an electrical impulse, which by way of the Relay/Electronic Box, is led to the ship’s Alarm & Monitoring System as well as shown locally (model 2 AB). When a fixed set point is reached (decided by the operator or engine manufacturer) an alarm will be activated. The measured value is converted into a current signal, 0-20 or 4-20 mA representing e.g. 0-5,5% water content.

Highly accurate

Measures from 0,03% and upwards. The settings are adjusted accordingly depending on type of oil measured. Set points can be set locally on the electronic box.


Well proven and very reliable

No need for calibration once delivered. In comparative tests the G&O SWM has shown remarkable stability and reliable performance compared to capacitive sensor systems, which normally needs calibration ever so often.

Type approved by Bureau Veritas

The system has a proven track record from more than 250 installations and is most likely the only type-approved system on the market.

Easy installation

The system is delivered ready for use, calibrated, mounted on a base plate with shock absorbers ready for connection to the oil system.

Models

The G&O Survey Water Monitor System can be delivered in a number of Versions. The most common sold model today is the upgraded model, " SWM no. 2 AB", where all components are mounted on a base plate with shock absorbers ready to installation on board.

The Electronic Unit

Includes Relay box with "easy”terminals, Digital instrument with local read-out, alarm settings and digital/analogue outputs.

The Pressostat Unit

Includes the Heat Exchanger with acalan-coated chamber. Voltage 120 or 230 Volt AC and an inlet pressure of 1-10 bar. Calibration of the Unit according to type of oil.

The Pressostat Unit

Is normally a Danfoss Type KPS 43 or similar. In case of a SWM no. 2 AB for Hydraulic Oil System, also a Pump and Valve(s) are normally included. The basic system is designed for a free flow return of the measured oil. In case of a pressurized oil system a pump and return valve must be included.

Worldwide service & References

Through an extensive international network of agents, Gertsen & Olufsen AS ensures the highest service level. Just one phone call, fax or e-mail and you will be in touch with someone who will be delighted to assist you.

The G&O Survey Water Monitor carries an extensive reference list from more than 250 installations varying from highly sophisticated Cruise vessel 4-stroke engine applications to big size 2-stroke engine applications used by the most reputed ship owners and operators and installed by Engine Makers such as:

  • MAN B&W
  • Wartsila
  • New Sulzer Diesel
  • MAK
  • Caterpillar
  • Pielstick
  • and others.

A reference list can be obtained from Gertsen & Olufsen.