Worldwide Leading Video Electronics Testing Company

Unigraf is a worldwide leading video electronics testing company based in Finland. Unigraf specializes in Hardware and Software Test Tools for testing USB-C™, DisplayPort™, and HDMI™ interfaces. Unigraf’s technological strengths are the deep understanding of the aforementioned interfaces in R&D, Test Automation and Compliance Test environments. Over the years Unigraf has introduced multiple grounds breaking innovations such as the first DisplayPort over USB-C test tool in UCD-340 and the first HBR3 capable DP 1.4 Test device in UCD-400.

World's leading electronics manufacturers use Unigraf's tools to test smartphones, laptops, tablets, monitors and more in the R&D development phase as well as in production line testing. Further, Unigraf's compliance test tools can be used to verify that products are designed and work according to standards set by e.g. Video Electronics Standards Association (VESA) and Digital Content Protection LLC (DCP).

The leader in DisplayPort Test Tools

Unigraf is a worldwide leader of DisplayPort testing tools. Unigraf's DisplayPort CTS Test Tools are authorized for DisplayPort Link Layer and HDCP 2.2 certification testing for both Sink and Source Devices. Unigraf offers a wide range of DCP approved HDCP 2.2 Compliance Test Tools ( as well as test tools for DP 1.2 and DP 1.4 Link Layer Compliance testing. Most leading providers of DisplayPort enabled devices and components use Unigraf test tools in their laboratories. Find out more about our references here.

USB-C Testing

Over recent years, Unigraf has made significant contributions to testing USB-C interface. Unigraf's USB-C tools can be used in the Production Line environment in automated tests as well as in R&D laboratory setting. Unigraf's USB-C test tool UCD-340 is the only DCP Approved  HDCP 2.2 CTS Tool for testing Sink DUT in DisplayPort over USB-C interface.

Test Automation

Unigraf offers Test Automation tools for testing USB-C, DisplayPort and HDMI interfaces. Unigraf test automation solution is a complete test system for testing the functionality of display interfaces. Unigraf Test System, UTS, provides an easy to integrate a set of software and hardware for production line test stations. The available test equipment hardware covers most of the interfaces used in display electronics.

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Highest Credit Ratings

In 2019 Dun & Bradstreet certified Unigraf with lowest credit risk in the Dun & Bradstreet Credit Risk Classification.

Unigraf has also been awarded the highest AAA credit rating by Suomen Asiakastieto. Suo­men Asia­kas­tie­to Oy is one of the leading providers of data services for corporate management, financial administration, risk management, and sales and marketing.


Unigraf Oy

  • Established in 1990
  • Privately owned
  • CEO Mr. Henri Muhonen
  • Located in Espoo, Finland

UNIGRAF Areas of Expertise

Unigraf's Test Solutions cover everything from the most technically advanced Compliance Testing to efficient and cost-effective R&D Debugging and Production Line Testing.

Compliance Testing

• DisplayPort Link Layer CTS Testing

• HDCP 2.2 CTS Testing for DispalyPort and USB Type-C

• Dolby Vision Testing

R&D Debugging

• R&D Development tools for testing DisplayPort, HDMI and USB-C interfaces

Test Automation

• Run automated tests straight from the command-line

• Integrate C++ code into existing test systems

• Use a third party test management SW e.g. NI TestStand


UNIGRAF Product Offering

Unigraf offers a wide range of easy-to-use Test Tools for DisplayPort, USB-C and HDMI interfaces:

DisplayPort Test Tools

USB Type-C Test Tools

HDMI Test Tools

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