Partech ProductsOil on Water Sensor
OilTechw² Oil on Water Sensor
Detection of Floating Visible Oil Pollution
Contamination of water courses by visible oil is a problem that requires fast, reliable detection to prevent damage to either the local environment or a water treatment process.
If oil is allowed to enter a river then wildlife can be harmed, if the oil then enters a drinking water plant damage can be caused to the processing system or more critically
the quality of the drinking water can be affected.
Early warning of a problem allows remedial action to be taken either by automatically shutting down the intake to a process or by raising an alarm calling for manual
intervention. The 7300w² monitor can also be connected to pollution prevention equipment such as oil dispersants or oil absorbing mops, booms, and skimmers.

The OilTechw² sensor can be deployed in any application where the surface of the water is relatively calm, the system will react rapidly to both partial and complete films
of oil on the water surface. The measuring system is highly stable and only needs occasional validation to ensure reliable operation.
The unsinkable floating sensor has a dual hull designed to channel any oil passing through the centre of the float so that it is presented to the detector. The non-contact
infrared sensor emits light that is reflected from the water surface, any oil that is present increases the amount of light reflected and this is then converted into the
desired output signals. The float is supplied with two fixing cables and a weight to keep it stationary and correctly orientated. In addition a range of mounting accessories
can be offered to suit the individual requirements of each application.
Technical Specification
Physical
| Dimensions | 150 x 590 x 600 mm (HxWxD) |
| Weight | 2.2 kg (inc 10 metres of cable) |
| Protection Rating | IP68 |
| Material of Construction | Fibre Glass coated float with Black Acetal Transmitter Housing, Stainless Steel Fittings and Tether |
| Cable Entries | Integral Cable Gland |
| Cable Type | 3 core, 5mm O/D, Polyurethane Coated |
| Cable Length | 10 metres standard, 100 metres maximum |
| Service Requirement | No routine servicing required |
Environmental Data
| Operating Temperature | 0 - 60ºC |
| Storage Temperature | -20 to 60ºC |
| Location | Indoor or Outdoor |
Interface to Monitor
| Sensor Output | ModTechw², RS485 |
| Power Supply | 12 VDC from Monitor |
Measurement Principal
| Principal of Operation | Light Back Scatter |
| Wavelength | 860 nm Infrared |
Measurement Characteristics
| Resolution | will detect a monomolecular layer of oil |
| Response Time | 0.2 secnds - damping provided by monitor |
| Flowrate | Not affected by flowrate, the sensor must be placed |
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