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

29.05.2025

The 31st International WOD-KAN Fair in Bydgoszcz is behind us!

The International Trade Fair of Machines and Devices for Water Supply and Sewage WOD-KAN took place on 20-22 May 2025. This is the 31st edition of the trade fair, which attracted many exhibitors and people who wanted to familiarize themselves with new devices and technologies dedicated to the water and sewage industry to Bydgoszcz.


Read more

10.02.2026

Regin at the Warsaw HVAC Expo!

The Warsaw HVAC Expo is an opportunity to learn about cutting-edge technologies, innovative products, and solutions in heating, ventilation, and air conditioning. One of the exhibitors showcasing its offerings this year will be Regin. Poltraf is the exclusive distributor of Regin in Poland.

Read more

19.07.2023

Poltraf conference for the water and sewage industry in 2 months!

On September 20-22, 2023, we are organizing the QUALITY-WATER-WASTEWATER conference. This conference, dedicated to the water and sewage industry, will take place in Polańczyk on Solińskie Lake.

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.