التسارع  شركات مصنعة، تجار، موردون، مزودو خدمات

The Schaeffler Group is a global automotive and industrial supplier. The Schaeffler Group is already making a decisive contribution to “Mobility for Tomorrow” today with its high-precision components and systems in engine, transmission, and chassis applications, in addition to rolling and plain bearing solutions for a large number of industrial applications. Since its beginnings, the Schaeffler company has been characterized by groundbreaking innovations and global customer orientation.

Brüel & Kjær is a world leading manufacturer and supplier of sound and vibration solutions. We help our customers solve their sound and vibration problems – from measuring traffic noise and vibration in car engines to evaluating building acoustics and performing quality control. We have customers in a wide range of fields, including automotive, aerospace, consumer goods and telecommunication, as well as government agencies.
Our Mission is to help our customers improve the quality of sound and vibration and human comfort related to sound and vibration. In this way, we enhance the environment, the quality and the joy of life.
Our Vision is to be the preferred partner and solution provider to all leading companies and institutions who care about sound and vibration, and be the global competence centre for sound and vibration.
See the Mission and Vision presented in a 4-minute video
A Global Organisation
Brüel & Kjær is a global company. We have the largest sound and vibration sales network in the world with sales offices in 55 countries and more than 500 of our employees working directly with local sales, service, and support.
Local Support
We’re never further away than your local sales representative or service centre. Help is always at hand and in your local language. Product documentation is often available in several languages, and we regularly hold local courses, roadshows or participate in local exhibitions.
Business Units
Brüel & Kjær Sound & Vibration Measurement A/S consist of three distinct business units serving the world of sound and vibration:

• Sound and Vibration Measurement
• LDS Test and Measurement
• Lochard EMS

Sound and Vibration Measurement
The range of sound and vibration measurement products supplied by this business unit are designed to help reduce noise emissions and improve safety and environmental impact – creating better products and a better quality of life for the end user. The recent addition of portable multi-analyser systems to the product range enables the full range of sound and vibration measurement and analysis applications to be carried out in the field. Examples include “in vehicle” sound analysis, quality control applications, and structural dynamic testing.
LDS Test and Measurement
LDS Test and Measurement has a global reputation for providing Product Validation Solutions for use in the aerospace, defence, automotive, machinery, electrical and electronics industries. Used for applications as diverse as full launch ready satellite testing and structural analysis through to squeak and rattle checks to ensure cabin comfort and product package testing, LDS’s electro-dynamic shaker and leading vibration control systems provide comprehensive testing capabilities. Using our solutions at the design and test phase, customers can prove product integrity, improving reliability, safety, durability and efficiency. LDS Test and Measurement solutions include a comprehensive range of products, supported by industry-leading training, support and service.
Lochard EMS
Lochard EMS is a world leader in airport noise & environment management. Lochard EMS helps airports manage their growth and regulatory compliance so they can minimize their environmental footprint and build strong community partnerships. Working closely with a client base of over 130 airports to meet their environmental challenges, both today and into the future, Lochard EMS offer the industry's broadest and deepest suite of product and service solutions and are currently expanding into monitoring of air quality and carbon emissions.
Brüel & Kjær is a subsidiary of UK-based Spectris plc.

Polytec was founded in 1967 to distribute commercial laser technology to industrial and research markets. Building on the company’s early success, Polytec began to develop and manufacture and then manufactured, innovative laser-based test and measurement instruments in the 1970’s. These products have become known around the world as the gold standard in non-contact, laser-based measurement of vibration, speed and length. Advanced product development remains a core strategic activity at Polytec with new electro-optical systems being designed for analytical process measurement, noise analysis, and factory automation.
Polytec develops state-of-the-art laser-Doppler vibrometers and velocimeters designed to solve our customers’ difficult manufacturing, development and research challenges. Polytec vibration analysis systems, length and speed sensors for production processes or optical surface profiling systems support high-quality research, development and manufacturing processes worldwide.
Polytec also distributes, markets, sells and services sophisticated opto-electronic systems and components in select European countries. Besides, Polytec provides analytical measuring systems as an over-all solution for diverse applications in R&D laboratories, for process control and monitoring in industrial facilities.