02. HGL-series Golden Lipstick Hydrophones

The HGL Series hydrophones were designed to meet or exceed recommendations of section 3.3.2 of the AIUM Acoustic Output Measurement Standard (May 1998). They have an exceptionally flat sensitivity in a small and sturdy package. These hydrophones are excellent in-house standards for ultrasonic acoustic intensity measurements, and for general purpose field mapping.

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More Details: HGL Series

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According to the AIUM Acoustic Output Measurement Standard(May1998), the HGL Series hydrophones design achieve or exceeded the recommendations of section3.3.2.根据 AIUM 声输出测量标准（1998 年 5 月），HGL 系列水听器设计达到或超过了第 3.3.2 节的建议。

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The HGL hydrophone has been established as a workhorse for diagnostic level measurements, providing the best mix of frequency response, reflection profile, and aperture size.HGL 水听器已成为诊断电平测量的主力，可提供频率响应、反射剖面和孔径尺寸的最佳组合。

sound and vibration

The HGL Series have an exceptionally flat sensitivity in a small and sturdy package. Both ultrasonic acoustic intensity measure and the general purpose field mapping can carry out an excellent in-house standard through the HGL series hydrophones. HGL 系列在小巧而坚固的包装中具有非常平坦的灵敏度。 超声波声强测量和通用场映射都可以通过 HGL 系列水听器执行出色的内部标准。

 ----------S&V Samford Instruments LTD

HGL series are the hydrophones that contains with a high sensitivity, small effective aperture, a broadband, solid construction and also a flawless integration with AH  preamplifiers. And they are able to have a range between Flat (+/- 3db) 250 KHz to >> 20 MHz.HGL系列水听器具有高灵敏度、小有效孔径、宽带、坚固的结构以及与AH前置放大器的完美集成。 它们能够在平坦 (+/- 3db) 250 KHz 到 >> 20 MHz 之间的范围内工作。

Sound and vibration 

Key Features and Benefits 主要特点和优势

- High sensitivity 高灵敏度

- Small effective aperture 小有效孔径

- Broadband 宽带

- Solid construction 坚固的结构

- Flawless integration with AH and AG preamlifiers 与 AH 和 AG 前置放大器完美集成 

- Flat (+/-3dB( 250 kHz to>> 20 MHz*  平坦（+/-3dB（250 kHz 至>> 20 MHz*）

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* Use of the AG-20X0 preamplifier is required to maintain +/- 3 dB range from 20 to 40 MHz for the HGL-0085 and HGL-0200. For measurements above 40 MHz, the AH-20X0 preamplifier is advised.需要使用 AG-20X0 前置放大器才能将 HGL-0085 和 HGL-0200 的 +/- 3 dB 范围保持在 20 到 40 MHz 之间。 对于 40 MHz 以上的测量，建议使用 AH-20X0 前置放大器。

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Brochure 

HGL中文小冊子

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