Why do Water in Oil Monitors go under different names?

Online Water in Oil Sensors are often given different names. Sometimes they are referred to as water sensors, water-cut analyzers, bs&w probes, moisture sensors and moisture meters. The name given to the product often depends on which industry is using them and what terms they are familiar with. Some operators also use the EASZ products for detecting water in fuel lines.

Is it moisture or is it water? The answer to this may not be so clear when considering that some chemicals are designed to be either hydrophilic or hydrophobic. We are measuring small or large changes in the dielectric constant of a liquid. The instrument will detect changes in H2O content, whether the H2O in oil is dissolved, emulsified or free.

The following video shows a typical application where the instrument has been referred to as a “moisture in oil meter,” but in the beginning of this video, we are sensing a change in the free water content during tank truck unloading.

What is an Online Water in Oil Monitor?

An online water in oil monitor or water sensor measures everything that passes through a process pipe. An offline instrument determines the water content of an oil by measuring a small volume (spot sample) in a laboratory e.g. centrifuges, karl fischer etc.
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What are the benefits of continually monitoring oil and fuel?

Spot sampling for water in oil is not able to capture every “water event.” A water event could simply be small clouds of water droplets travelling down a pipe but never detected by a typical moisture sensor. Our water in oil monitors will not only give an indication of the dissolved water in oil but also capture events e.g. free water.

Selecting the Correct Water in Oil Monitor

Choose from a range of water-in-oil monitors to suit your application.

General Industry

These versions of our products do not require Ex Certification and are installed in non-hazardous areas. The standard connections are normally either screwed connections e.g. NPT, BSP, or flanged units to ANSI, DIN, JIS. Other connections are also available e.g. SAE for hydraulic oil and sanitary connections for the food and drink industry.
Industries and Applications we serve include:
  • Lubrication systems
  • Hydraulic systems
  • Oil and fuel applications in ships
  • Power Plants
  • Pulp and paper
  • Steel Mills
  • Food Industry
  • Compressor Oil
  • Turbine Oil
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Fish Oil Plant

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Ship Propulsion System

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Diesel Power Station

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Food Grade Oil Plant

Oil and Gas Industry

Available in screwed and flanged connections.

Fully stainless steel for offshore platforms

Industries and Applications we serve include:
  • Offshore oil and gas platforms
  • Oil and Condensate pipelines
  • 2 and 3 stage oil separation systems
  • LACT systems
  • Custody Transfer Metering and Sampling
  • Well Testing
  • Fuel Transfer Systems
  • Crude Oil Batching
  • Multiphase Separators
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Crude Oil Sampling System

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Pipeline Water Cut

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Units with Mixers

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More Than One Option

Our Water in Oil Monitors have units specifically designed to meet different needs.

  • EASZ-1 General Range Water in Oil Monitor
  • EASZ-2 Low Range Precision Measurements in Lower Concentrations of Water
  • EASZ-2 Full Range Wide Range Oscillator for 0-100% water in oil/ oil in water
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