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英國ET Enterprises
英國ET Enterprises公司——光電倍增管專業生產商
英國ET Enterprises公司由著名的EMI公司光電倍增管事業部組建而成，是世界上最早研制、生產光電倍增管的廠家，已經擁有70多年的歷史。針對各種光信號檢測，尤其是微弱光信號，ET公司為您提供高性能、低噪聲、高穩定性的光電倍增管產品。

ET能提供普通可見光型、紫外靈敏型、日盲型、紅光靈敏型、寬光譜范圍型、耐高溫型、快速型PMT。各種類型均有不同尺寸可選，并可提供相應的附件產品。
ET Enterprises Limited started in May 2007 and took over the photomultiplier tubes and accessories business of Electron Tubes Limited and will continue to manufacture, supply and develop the Electron Tubes brand product range. ET Enterprises recently moved to a new location in Uxbridge, which is about 30km west of London.

A subsidary of Ludlum Measurements Inc., ET Enterprises Limited will benefit from the additional production facilities of ADIT, a US based producer of photomultipliers. Similarly, ADIT, which specialises in photomultipliers for scintillation applications, will have access to ET Enterprises' development resources and experience in many different photomultiplier applications worldwide.