Send us your sample(s). Talk to an expert. Book a live demo.

5 reasons why you should contact us.

This is your chance to measure your polydisperse (nano)particle systems with single-particle sensitivity and in-flow for the first time. Customers come to us to:

From a deep understanding of your challenges ...

... we work together to revolutionize your particle analysis

After the first contact we will get back to you as soon as possible. In our first conversation, our experts will answer all your questions and give a detailed overview of what you can expect from OF2i and our products. When all your questions are answered, we can start to revolutionize your measurement as follows. 

You receive a tailored solution offer after an evaluation session

See the added value! We do feasibility measurements in our application lab or you measure with a loaner device at your site

We assemble your measuring device and adapt the software with you (method development)

Delivery, setup and installation

Extensive training

Servicing, continuous improvement and upgrade modules

Get in touch

Make yourself heard.


Stiftingtalstraße 14,8010 Graz, Austria



By car

Coming from Riesstraße, you make a turn into Sitftingtalstraße and soon you'll find the entrance to the LKH Graz parking garage "Stiftingtal" on your left side. Park here. From the parking garage it is a 2 minute walk to the ZWT Accelerator building, next to the Institute for Hospital Hygiene (IKM). We are on the second floor, please ring the bell at the front entrance to be let in.