Rau GmbH: regional innovation, valued worldwide

Measuring devices for leak testing and tools for the roof

With more than 100 years of experience and shaped by the inventive spirit of the RAU family tradition, we offer you high-quality products. Our test equipment and tools are a commitment to user-friendliness, practicality and quality “Made in Germany”.

World market leader

Excellent products

100+ years of innovation

Made in Germany

Family tradition

Testing devices & tinsmith tools

Discover our first-class range

Our products are faithfully at the side of craftsmen – whether high up on the roof or deep down in the boiler room. They make work easier and help to create safe living spaces. Our two main product ranges include

Measuring devices for leak tests of pipes in buildings for plumbers, system builders and tradesmen in the HVAC sector
Sheet metal bending and folding tools for roofs and façades for tinsmiths, plumbers and sheet metal workers

What makes us unique

Discover our sophisticated solutions

We only manufacture products that are convincing in practical use. That’s why they are designed to really help you in everyday life and set us apart from others.

Tools from craftsmen for craftsmen

Our products come from practical experience. That's why they are user-friendly, suitable for the construction site and well thought out down to the last detail.

Everything safely in one case

The measuring device and accessories are always stowed away safely, clearly and within easy reach. So you have everything you need with you and nothing gets lost.

Durable and robust

Our products have the high quality "Made in Germany", are reliable and have been optimized over decades. This makes them a loyal companion for a craftsman's lifetime.

The stars of our customers

Our most popular products

We sell our products exclusively through specialist dealers. You can also find selected accessories for the measuring devices in our RAU accessories store.

WPS FUNK – High-pressure sensor (radio to measuring device)

Art.-Nr. 70130

External RADIO pressure sensor from 0.3 bar to 20 bar test pressure and test medium water or air. Suitable for DPG07 TOUCH. Test and measure over longer distances without cables! (can also be used with LM06 and DPG02 via the USB charging cable supplied) Application Leak and load testing on pipes up to 20 bar: Leak and stress test of drinking water installations, heating and solar systems with compressed air, inert gas or water. Long-term measurements with freely selectable interval time. Even inadequate locations and long distances are possible wirelessly thanks to the radio connection.

Leak and stress test of water pipes with water or air as a medium in accordance with DIN EN 806-4 from 0.15 bar (0.015 MPa) up to a maximum of 20 bar (2 MPa)
Wireless pressure sensor ideal for DPG07 TOUCH – check and measure over longer distances without cables
Can also be used with LM06 TOUCH and DPG02 TOUCH via magnetic charging cable
WPS FUNK fits into the foam insert of the DPG07 TOUCH test instrument case

Scope of delivery of the set

Wireless pressure sensor
USB charging cable and USB charger

Art. No. 70130

WPS KABEL – High-pressure sensor (cable to measuring device)

Art.-Nr. 70115

External cable pressure sensor for test pressures from 0.3 to 20.0 bar, test medium water or air, suitable for RAU LM06 and DPG02 TOUCH or DPG07 TOUCH measuring devices. Application Leak and load testing on pipes up to 20 bar: Leak and stress test of drinking water installations, heating and solar systems with compressed air, inert gas or water. Long-term measurements with freely selectable interval time.

Leak and stress test of water pipes with water or air as a medium in accordance with DIN EN 806-4 from 0.15 bar (0.015 MPa) up to a maximum of 20 bar (0.2 MPa)
External pressure sensor suitable for LM06, DPG02 and DPG07 TOUCH
Measuring armature with 3 meter USB cable for secure data transmission

Scope of delivery

Cable pressure sensor

Art. No. 70115

Shut-off bladder DN 300

Art.-Nr. 76089

Shut-off bladder DN 300, robust and hard-wearing design Can be loaded up to max. 0.4 bar RAU Shut-off bladder DN 300 mm, for APS SOFT Art. No. 76089

Rau GmbH - over 100 years of know-how

Tradition meets innovation

Rau GmbH is an owner-managed, medium-sized company, which is tradition-consciously managed in the fourth generation by M. Eng. Frederik C. Rau. Based in Meitingen near Augsburg in Bavaria, we are deeply rooted in our region. Originally developed from a tinsmith and plumbing business, our products are the result of decades of practical experience. As a pioneer in the manufacture of sheet metal bending tools and leak measuring devices, we have developed groundbreaking solutions and hold numerous patents on our innovations

Family business

Founded in Augsburg in 1914, the RAU family business now operates internationally.

Tireless inventiveness

The thought "It has to be easier" inspired many inventions.

Made in Germany

All our products are manufactured in Germany and we give preference to regional partners.

Environmental protection

We are constantly striving to reduce our CO2 footprint with targeted measures.

Your satisfaction is important to us

What our customers say

From craftsmen for craftsmen

„Tools are being invented to make our work easier. By craftsmen for craftsmen.”

Michael Leib

Leib plumbing and roofing company

Produced in Germany with high quality standards

„I think it’s good when you work and produce in Germany and have a high quality standard.”

Jakob Schöttl

Leib plumbing and roofing company

Great service, great employees

„Great service, great employees. Unfortunately the exception these days.“

Roland Strehler

Roland Strehler Forge

Very good devices and simple system

„Very good devices and a very simple system. I just wanted to say a quick thank you and give some good feedback.”

@onlyahmad0

PM on Instagram

Do you like our products?

Become part of our satisfied customer family! Our products are available exclusively from specialist dealers. You can also find additional accessories for the measuring devices in our RAU accessories store. Immerse yourself in the unique RAU range.