All products related to oil in water and contaminated soil are now handled via our daughter company Obstitech ApS.

Obstitech is a dynamic company supplying oil in water analyzers and their accessories.
We have more than 35 years’ experience in the onshore and offshore oil and gas sector and in the industrial sector supplying technical solutions.

Obstitech provides high quality flexible technology products for the industry with emphasis on both efficiency and environmentally friendly solutions.
We focus on customer needs and on supplying the right product at the right price and on time. For more information click here.


UVF-500D is the lowest cost, most user friendly, ruggedized, accurate, and repeatable oil in water and oil in soil analyzer on the market and are known as the “industrial standard” oil in water analyzer. And it is the 1:1 replacement of the previously version called TD-500D.

Compatible with all popular extraction solvents.

The applications are typical test of total petroleum hydrocarbons (TPH) in crude oils, fuel oils, water oils, creosote, coal tars, bitumen and many other petroleum contaminates with heavy PAH compounds.

The UVF-500D are ideal for ruggedized use for applications like:

  • Produced water optimization
  • Monitor storm water
  • Waste water
  • Clean water verification
  • Test of oil in water
  • Oil in soil on-site

The instrument and it’s accessories are available from stock for delivery worldwide.

UVF-500D Starter Kit

The UVF-500D Starter Kit include the main parts you need to operate a UVF-500D.
All parts in the kit are selected based on many years of field experience and are all are of high quality.
The kit includes a watertight carrying case where the main parts can be stored until and in between use.
The carrying case have space for a UVF-500D and the TPH 100 ppm Solid Standard.

It is highly recommended to add this kit to the purchase of a UVF-500D as it can support in getting the best out of the UVF-500D instrument.

8mm Glass Cuvettes

Pack of 400 each, includes plug caps to prevent spills.

New improved version of the well-known 8mm Glass Cuvettes.

Samples can be stored for a limited time in this improved version of the cuvettes.

Use with UVF-500D/TD-500D for all oil in water applications. Same cuvettes included in our test kits.

Our complete oil in water and contaminated soil product range can be seen on