Measurement In/On Liquids

The discharge of industrial wastewater is an ecologically-sensitive procedure. Apart from the potential environmental impact, damage to the image of the company may lead to avoidable expenses.

Due to increasingly complex operational procedures, various potential means of introducing oil unnoticed into the sewage system exist. These might include a defective component, negligence or simply the breakage in a hydraulic line of a construction machine on the works premises.

More and more companies are deciding to counter these problems using appropriate monitoring systems. Central collection points or a supply pipe into external sewage systems are monitored by means of an on-line analysis system. A fast signal evaluation system and low maintenance costs are important criteria when selecting this type of system.

KONTAVISOR offers decisive advantages for this type of application. As the compact measuring head does not contain any active components, it can be adapted flexibly and economically to the desired installation location.

 

1. Example of Use

KONTAVISOR as a monitoring system for cooling water directly in the piping.

Substance to be detected: Primarily hydraulic oil, fat, other hydrocarbons
Process medium: Water with additive chemicals for cooling water care
Measuring head: Stainless steel, fixed on a sapphire glass pane
Optional: Retractable fitting
Measuring head position: In the piping directly in the medium
Source of light: Microchip laser
Wavelength: 266 nm
Light conductor: 1 m quartz glass fibre
Measuring volume: 3 mm³
Evaluation time/measurement: 1 second
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Selective verification of hydraulic oil and fat without influence by the fluorescing cooling water care system, achieved by specific selection of excitation and observation wavelengths 

2. Example of Use

KONTAVISOR as a monitoring system for the water surface in a discharge system.

Substance to be detected: Various hydrocarbons
Process medium: Surface water
Measuring head: Standard, Stainless steel
Measuring head position: Appropriate optics above the
monitored water surface
Distance to the surface: 240 mm
Source of light: Microchip laser
Wavelength: 355 nm
Repetition rate: 3,2 kHz
Light conductor: 8 m quartz glass fibre
Surface/measuring point: 5450 mm²
Evaluation time/measuring point: 1 second
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Significant analysis of the oil film thickness on the water surface of a wastewater storage tank