Coltraco limited is the world leader in a very niche field of ultrasonic instrumentation and it has been in operation since 1987. They are specialized in the design and manufacture of ultrasonic safety management and preventative maintenance equipment. Coltraco aims to improve safety for people, assets and infrastructure on land and at sea worldwide across diverse sectors. Coltraco do this by manufacturing ultrasonic technology in the UK that will save you time, cost and risk. Coltraco’s products focus on liquid level indication, seal integrity, thickness gauging, flow rate monitoring and acoustic emission bearing indication.

Minneapolis BlowerDoor Measuring Systems are market leaders in Germany and rank among the most successful measuring devices for airtightness worldwide. With a measuring range of 5-2300m³/h to 19 - 17,200 m³/h , we guarantee outstanding precision and durability of our measuring instruments as well as the transparency of the measuring process underline the high quality of the BlowerDoor measuring system