丹麥RESON www.reson.com/
丹麥RESON公司的精密參考水聽器主要設計用于精密水下聲學測量、信號探測以及校準參考聲學投影。RESON公司的水聽器在科學研究、海軍和環(huán)境監(jiān)測的參考測量領域聞名于世，另外也用于工業(yè)和商業(yè)產品領域過程控制。
作為一個世界領先的超聲儀器公司，RESON在基于聲學測量系統(tǒng)和工業(yè)產品領域具有廣泛的知識和經驗。因此除了作為一個高質量水聽器和聲學傳感器供應商以外，RESON也針對客戶需要提供和設計最佳的解決方案。
對于大多數的嚴酷應用，RESON根據建立在英國的國家物理實驗室標準提供校準服務。
4000系列水聽器
該系列水聽器典型用于精密參考測量、參考投影、被動陣列、定位系統(tǒng)和跟蹤系統(tǒng)。
2013年Teledyne Technologies將收購RESON 

RESON A/S is the holding Company of the RESON Group. Corporate headquarters are located in Denmark. RESON subsidiaries are established in the USA, UK, Germany, and Netherlands. In addition to these subsidiaries there are RESON representatives located in 25 countries.
We provide high quality standard tools for numerous underwater acoustic applications, budgets, and survey accuracy requirements. We are devoted to design and manufacture of more specific marine technological solutions. Products from RESON are backed by a world wide support network.
Our range of products covers digital state-of-the art multi-beam systems, (the trademarked SeaBat), compact, light-weight, and flexible single-beam sensors, (the NaviSound product line of underwater tools), PDS software, technological systems for 3D data collection and visualization, high-power transducers, and precision reference hydrophones.
In our design and development of underwater acoustic equipment, we continuously strive to meet the still increasing requirements for fast mobilization, cost-effective survey performance, and high-quality operational capability.
Some of our core business areas include: Offshore oil-, and gas industries, marine research institutions, hydrographic, and bathymetric surveyors, dredging operators, cable-laying companies, harbor construction companies, naval surveillance, and public environmental monitoring activities.