01.06.2021

RDO® Blue In-Situ

Optical dissolved oxygen sensor

The RDO Blue optical dissolved oxygen sensor is used to measure oxygen values ​​in a wide variety of demanding environments. It allows you to perform accurate measurements in liquid and gas without the need for calibration. The housing of the device is made of PPS material, which provides, among others abrasion resistance and chemical resistance.


Other news

22.05.2026

Poltraf at the WOD-KAN 2026 fair in Bydgoszcz!

The 32nd edition of the WOD-KAN Fair will take place in Bydgoszcz next week. A key part of Poltraf's business is the distribution of measurement devices for the water and sewage industry. That's why we couldn't miss this event.


Read more

10.10.2024

The Poltraf FLOW MEASUREMENT conference is behind us!

The Poltraf FLOW MEASUREMENT: CHALLENGES – TECHNOLOGIES – SOLUTIONS conference was held on October 2-4. Available technologies, advantages and comments regarding individual solutions were presented by our partners: Comac Cal, Systec Controls and In-Situ (MACE). The conference was also an opportunity to celebrate the 30th anniversary of our company, which is why this year we met in Gdańsk, where Poltraf has been based since the very beginning of its operations.

Read more

24.07.2024

Pressure switch - a key device for controlling the pressure level in the system.

A pressure switch is a device that monitors the pressure in the system and automatically responds to changes in pressure, turning on or off devices depending on the set pressure thresholds. Pressure switches are widely used in hydraulic and pneumatic systems and other applications requiring pressure control.

Read more

Our suppliers
and partners

We are a representative and distributor in Poland of the following brands:

  • Trafag AG

    since 1994

  • STS

    since 2004

  • Regin

    since 1997

  • Comac Cal

    since 2010

  • ION Science

    since 2009

  • In Situ

    since 2016

  • Systec Controls

    since 2023

  • Emerson Asco

    since 1994

  • Ode

    since 1994

  • Stiko

    since 2001

  • BASS Instruments

    od 2024 r.