附件

For avoiding ground loops, e.g. with GRAS RA0085 Insulated coupling for artificial ear in telephone testing set-ups using the GRAS 43AD Artificial Ear. 翻译

Cap for rain protection of GRAS array microphones GRAS 40PR and 40PQ. It also fits QC microphones 40PP and 40PK.

The RA0127 is a rain protection cap for use with 1/4" microphones.

The GRAS RA0131 is a rain protection cap for use with 1/2" microphones.

不锈钢保护网，适用于 1 英寸传声器。图片中展示的是与 GRAS 传声器拾音头（不包含在内）搭配使用的情况。

不锈钢保护格栅，适用于 1/2 英寸传声器。图片中展示的是与 GRAS 传声器（不包含在内）搭配使用的情况。

不锈钢保护格栅，适用于 1/4 英寸传声器。图片中展示的是与 GRAS 传声器（不包含）搭配使用的情况。

不锈钢保护格栅，适用于 1/8 英寸传声器。图片中展示的是与 GRAS 传声器拾音头（不包含在内）搭配使用的情况。

1 英寸防尘、防油、防水及抗震传声器保护格栅，专为 GRAS 147EB 传声器设计。RA0355 可与 1/2 英寸 RA0360 保护格栅配合使用，以实现更全面的保护。

1/2 英寸防尘、防油、防水及抗震传声器保护格栅，专为 GRAS 147EB 传声器套装设计。RA0360 可与 1 英寸 RA0355 保护格栅配合使用，以实现更全面的保护。

防尘、防油、防水及抗震的传声器保护网，适用于 GRAS 146AE 传声器。 该保护格栅的 5 件装的型号为 GRAS RA0354 。

1/2 英寸传声器格栅，顶部带 M3 螺纹。

1/4 英寸传声器保护格栅，顶部带 M1.6 螺纹。

专为 GRAS 40PO-L 和 40PO-H 传声器设计的1/4 英寸保护格栅。图片中展示的是与 40PO-L 传声器套装（不包含在内）搭配使用的保护格栅。

专为 GRAS 46BC、46BL-1 和 40PI 传声器设计的 1/4 英寸保护格栅。图片中展示的是与 46BC 传声器套装（不包含在内）搭配使用的情况。

专为 GRAS 47AX 和 47AD 嵌入式传声器套装设计的 1/2 英寸保护格栅。图片中展示的是与 47AX 传声器套装（不包含在内）搭配使用。

专为 GRAS 47BX 嵌入式传声器套装设计的 1/4 英寸保护格栅。图片中展示了与 47BX 传声器套装（不包含在内）搭配使用的保护网格。

专为 1/4 英寸传声器设计的防雨保护格栅

专为 1/2 英寸传声器设计的防雨保护格栅

防尘、防油、防水及抗震的传声器保护格栅，适用于 GRAS 147AX 传声器。图中所示搭配 GRAS 147AX 传声器（不包含传声器）共同展示。

Recommendation: Choose a microphone with low sensitivity instead of using the RA0016.The RA0016 is a 20 dB attenuator for inserting between a 1/2" microphone and preamplifier. It will attenuate the output signal of the microphone by 20 dB in order to avoid overloading the preamplifier. The RA0016 is useful when measuring very high sound pressure levels using a preamplifier with limited dynamic range.  The RA0016 will work properly only with externally polarized microphones. For prepolarized microphones, use the RA0018.

The RA0022 is specially designed and optimized for use with 1/4" microphones for sound pressure measurements, when high speed wind comes from one known direction e.g. in a wind tunnel.

RA0002 是一款专为 1/2 英寸测量传声器和 1/4 英寸前置放大器设计的 90 度直角可调适配器。它与任何标准的 1/2 英寸传声器和 1/4 英寸前置放大器兼容，例如 GRAS 40AO 传声器和 26CB 前置放大器。RA0002 支持自由旋转，使用户能够在不影响传声器与前置放大器之间连接的情况下，调整前置放大器和线材的朝向。

GRAS 67TS 湍流屏蔽套件设计用于在实壁风洞中进行空气声学测试。湍流的流体动力成分被衰减达 25 dB。因此，能以可靠的分辨率识别和诊断感兴趣的声学信号。

The RA0001 is a right-angled adapter for using a 1/2" microphone with a 1/4" preamplifier. It can be used with any standard 1/2" microphone and 1/4" preamplifier such as the GRAS 26AC. The RA0001 could be useful in situations where the microphone has to be flush mounted on a wall.

The GRAS RA0003 is a straight adapter, for placing between a 1/2" microphone and a 1/4" preamplifier.

The RA0006 is a right-angled adapter for using a 1/4" microphone with a 1/4" preamplifier. It can be used with any standard 1/4" microphone and 1/4" preamplifier such as the GRAS 26AC. The RA0006 could be useful in situations where the microphone has to be flush mounted on a wall.

The RA0017 is a simple adapter for using a 1" microphone with a 1/2" preamplifier. It can be used with any standard 1" microphone and 1/2" preamplifier such as the GRAS 26AK.

Recommendation: Choose a microphone with low sensitivity instead of using the RA0018.RA0018 is a 20 dB attenuator for inserting between a 1/2" prepolarized microphone and preamplifier. It will attenuate the output signal of the microphone by 20 dB in order to avoid overloading of the preamplifier. The RA0018 is useful when measuring very high sound pressure levels using a preamplifier with limited dynamic range.The RA0018 will work properly only with prepolarized microphones. For externally-polarized microphones, use the RA0016.

The RA0019 is an adapter for using a 1/4" microphone with a 1/2" preamplifier. Its influence on the acoustic field is minimal. To reduce attenuation of the microphone signal, the guard ring of the preamplifier is extended through the RA0019.

The RA0020 is specially designed and optimized for use with 1/2" microphones for sound pressure measurements, when high speed wind comes from one known direction e.g. in a wind tunnel.

RA0020-A is a nosecone for 1/2" microphones. It is similar to RA0020 but made of aluminium for lightness.

The RA0026 is specially designed and optimized for use with 1/4" microphones for sound pressure measurements, when high speed wind comes from one known direction e.g. in a wind tunnel.

The RA0063 is an adapter for using a 1/8" microphone with a 1/4" preamplifier. It can be used with any standard 1/8" microphone and 1/4" preamplifier such as the GRAS 26AC.

The GRAS RA0067 enables a prepolarized 1/2" microphone (typically a GRAS 40AD) to be used as a high-impedance sound source.

The RA0073 is an adapter for using a 1˝ microphone with a ½˝ preamplifier.The influence of the RA0073 on the acoustic field is minimal.

The GRAS RA0077 adapts a 1/2” microphone (remove grid) into a 1" microphone (without grid). Designed for NBS 9A / IEC 60313 Coupler GRAS RA0075 and Artificial Ear with NBS Coupler GRAS 43AF.

Pliers for firm but gentle gripping of a 1/2” microphone when unscrewing its protection grid or unscrewing the microphone from a preamplifier.

The GRAS RA0082 is an adapter for using a 1/8" microphone with a 1/4" preamplifier.

The GRAS RA0086 is similar to the GRAS RA0067 but is used with a 1/4" externally polarised microphone (typically a GRAS 40BP) which can then be used as a high-impedance sound source, e.g. when calibrating an acoustic coupler such as the GRAS RA0045. The RA0086 has a microdot connector.

  For use when humidity levels are high and only with a rear-vented 1” microphone. An indicator placed on the side of the dehumidifier shows when it needs to be dried out before further use. In the case of the GRAS 40EH 1” Microphone used in the GRAS 40HF Low-noise Level Microphone System, please order only at the time of ordering a GRAS 40HF.  

For use with GRAS RA0113 2cc Coupler.

The RA0117 is an adapter for mounting a 1/4" microphone in couplers designed for 1/2" microphones.

Recommendation: Choose a microphone with low sensitivity instead of using the RA0118. The RA0118 is an attenuator for inserting between a 1/4" microphone and preamplifier. It attenuates the output signal of the microphone by approximately 16 dB in order to avoid overloading the preamplifier or following analyzer. The RA0118 is useful when measuring very high sound pressure levels using a preamplifier or analyzer with limited dynamic range.

For use with 1/2” Free-field microphones when measuring noise according to ANSI requirements.

For use when humidity levels are high and only with a rear-vented 1/2” microphone.An indicator placed on the side of the dehumidifier shows when it needs to be dried out before further use.

The RA0173 is specially designed and optimized for use with 1/8" microphones for sound pressure measurements, when high speed wind comes from one known direction e.g. in a wind tunnel.

The RA0190 is a right-angled adapter for using a 1/2" microphone with a 1/2" preamplifier. It can be used with any standard 1/2" microphone and 1/2" preamplifier. The RA0190 could be useful in situations where the microphone has to be flush mounted on a wall.

230 V AC to 15 V DC 7.5 W. Mains connector for EU.

110 V AC to 15 V DC 7.5 W. Mains connector for USA.

100 - 240 V AC to 6 V DC 10 W.

230 V AC to 15 V DC 7.5 W. Mains connector for UK.

6-pin LEMO FFA.2S.306 male plug as supplied with GRAS 41AM/CN

7-pin LEMO FGG.1B.307 male plug for preamplifier extension cables.

7-pin LEMO 1B series female connector for panel mounting.

7-pin LEMO 1B series female connector for cable mounting.

A shelf for mounting instrument, e.g. GRAS Power Modules, and can itself be mounted in a standard 19” instrument rack via its flanges.

Bracket for mounting two GRAS Power Modules (GRAS 12AA/12AK) side-by-side.

Provides a convenient platform for calibrating IEC 60318-1 Ear Simulator e.g. GRAS RA0039.

For Array module Type PR0001/PR0001-1 and PR0002.

Used to extend Array Module Type PR0001/ PR0001-1 in the horizontal direction.

The 50 mm spacer is used to extend a microphone array with Array Module Type PR0001/ PR0001-1 in the vertical direction.

The PA0018 is a cable drum for approximately 200 m microphone cable.

A mounting rail with central cable connection for up to six GRAS array microphones, e.g. GRAS 40PH or 40PL.

A mounting rail which allows array microphones to be spaced at intervals of 25 mm, 50 mm, 75 mm, 100 mm, etc.

Straight adapter, length 7.5 mm, for placing between a 1/4" microphone and a 1/4" preamplifier. This item is an extender (not adapting anything).

For utilising the signal and signal-ground pins only of the 7-pin LEMO input of a preamplifier power supply.  

Used when dismantling the microphone assembly of Outdoor Microphone Systems.

A set of 6 spacers (50 mm) GR0707 for Array Modules PR0001 and PR0001-1.

The GRAS RA0399

The GRAS AF0008 is an adapter for using a 1/2" microphone cartridge with a GRAS 26AB 1/4" preamplifier.

The AG0001 is an adapter for a 7-pin LEMO connector and a traditional 7-Pin B&K microphone input connector.

An adapter for using a CCP preamplifier/microphone set with a GRAS 12AA, 12AG or 12AK Power Module. One end plugs straight into the Power Module’s input LEMO connector and the other end has a BNC socket for making a connection with a CCP preamplifier/microphone set.

The GRAS AG0003 is an adapter for an XLR connector and a CCP compatible preamplifier with a BNC Connector at the end of the cable.

The GRAS GR0010 is an adapter for adapting a GRAS 1/2" pressure microphone to a GRAS 1/4" preamplifier.

The RA0062 is a 20 pF input adapter for 1/2" preamplifiers. One end screws on to a 1/2" preamplifier and the other end has a BNC input connector. This enables connecting a signal generator to the input of the preamplifier. Short circuiting the BNC input results only in loading the preamplifier by 20 pF.

The RA0062-S1 is a 50 pF input adapter for 1/2" preamplifiers. One end screws on to a 1/2" preamplifier and the other end has a BNC input connector. This enables connecting a signal generator to the input of the preamplifier. Short circuiting the BNC input results only in loading the preamplifier by 50 pF.

The RA0080 is a 6pF input adapter for 1/4" preamplifiers. One end screws on to a 1/4" preamplifier and the other end has a Microdot input connector. This enables connecting a signal generator to the input of the preamplifier. Short circuiting the Microdot input results only in loading the preamplifier by 6 pF.

    Adjustable, high quality, stainless steel holder for mounting an Array module PR0001 or PR0002 on a tripod. Angular adjustment: 180° in steps of 45°    

The RA0125 is to be mounted instead of a microphone on a standard 1/2" preamplifier such as the Type 26AK. Thereby you get a Microdot (UNF 10-32) input to the preamplifier. Useful when a high input impedance is required for transducers such as hydrophones and accelerometers.

    The GRAS RA0185 is a holder for mounting an Array microphone (7 mm diam.) on a GRAS PR0002 Array module.    

The GRAS RA0245 is a holder for mounting a standard 1/4" microphone set with Microdot connector on a GRAS PR0002 Array module.

RA0533 专为从 GRAS RA0530 和 RA0531 适配器内部拆卸传声器而设计，适用于将 1/4 英寸传声器进行嵌入式安装时，分离传声器与前置放大器。

GRAS RA0531 是一款用于 1/4 英寸传声器的嵌入式安装适配器。本网站上的图片展示了 RA0531 与 GRAS 46BE 传声器一体装置（单独售卖）的配合使用情况。

GRAS RA0530 是一款用于 1/4 英寸传声器的嵌入式安装适配器。

The GRAS AL0003 consists of 3 parts: a swivel head for mounting on tripods with a standard 1/4" UNC-20 thread and adapters for mounting a microphone set with 1/2" or 1/4" body diameter on the swivel head. Microphone sets/Preamplifiers with Microdot connector or 5-pin LEMO do not fit.

Compact, light-weight tripod. Its main features are: • Standard mounting thread (1/4” UNC-20) • Crank-adjusted centre column • Rubber feet • Adjustable tripod legs with locks

The GRAS AL0005 swivel adapter provides stepless angular adjustment of a microphone holder with a microphone set.

A versatile and robust tripod for measurement setups and cameras.

Microphone clips 12 mm and 25 mm for side-by-side mounting of a pair of 1/4” intensity microphones.

    The AL0008 is an adapter for mounting 1/2" preamplifiers with microphones on tripods with a standard 1/4" W thread.    

The GRAS AL0012 is an adapter for mounting a microphone set (microphone/preamplifier) on tripods having a standard 1/4” UNC-20 male thread. The adapter is provided with a clamp for attaching a 1/2" diameter preamplifier.

The GRAS AL0013 is an adapter for mounting a microphone set (microphone/preamplifier) on tripods having a standard 1/4” UNC-20 male thread. The adapter is provided with a clamp for attaching a 1/4" diameter preamplifier.

    The AL0028 is an adapter for mounting microphones with 7 mm body diameter on tripods with a standard 1/4" thread.    

    The AL0029 is an adapter for mounting microphones with 1/4" body diameter on tripods with a standard 1/4" thread.    

The GRAS RA0093 is an adapter for mounting a microphone set (microphone/preamplifier) on tripods having a standard 1/4” UNC-20 male thread. The adapter is provided with a clamp for attaching a 1/2" diameter preamplifier. The microphone can be set in angles between 0 and 180 degrees in 45 degree steps.

The GRAS RA0093-S1 is an adapter for mounting a microphone set (microphone/preamplifier) on tripods having a standard 1/4” UNC-20 male thread. The adapter is provided with a clamp for attaching at a 1/2" diameter preamplifier. The microphone can be set freely (stepless) in angles between 0 and 180 degrees.

The GRAS RA0096 is an adapter for mounting a microphone set (microphone/preamplifier) on tripods having a standard 1/4” UNC-20 male thread. The adapter is provided with a clamp for attaching a 1/4" diameter preamplifier. The microphone can be set in angles between 0 and 180 degrees in 45 degree steps.

The GRAS RA0096-S1 is an adapter for mounting a microphone set (microphone/preamplifier) on tripods having a standard 1/4” UNC-20 male thread. The adapter is provided with a clamp for attaching a 7mm diameter preamplifier. The microphone can be set in angles between 0 and 180 degrees in 45 degree steps.

GRAS RA0302 是一款专为 1/2 英寸和 1/4 英寸嵌入式传声器设计的拆卸工具。 本产品仅与 GRAS 47AX、47AD 和 47BX 嵌入式传声器兼容。

The GRAS RA0502 is a non-conductive mounting adapter for 1/4" flush-mount microphone sets. This product is designed exclusively for use with the GRAS 47BX 1/4" CCP Flush-Mount Microphone Set. For flush mounting other 1/4" microphone sets, consider the GRAS RA0530 or RA0531 adapters.  

The GRAS RA0503 is a non-conductive mounting adapter for 1/8" flush-mount microphone sets. This product is designed exclusively for use with the GRAS 47DX 1/8" CCP Flush-Mount Microphone Set.  

For adapting a female 3/8” UNC-16 thread to a female 1/4” UNC-20 thread.

For adapting the 3/8" W thread of a "non GRAS" tripod to 1/4" W thread.

RA0392 MagMount™ 磁吸安装盘，专为 GRAS 147AX 传声器一体装置设计。每个安装盘均配备 1 片双面胶带。 它有两种不同的版本： RA0392-1 MagMount™ 磁吸固定盘，适用 147AX，含双面胶带 5 片。 RA0392-10 MagMount™ 磁吸固定盘，适用 147AX，含双面胶带 50 片。 需注意，每套 GRAS 147AX 传声器一体装置均包含 1 件 RA0392 配件（含 1 片 GR2172 平面金属盘及 1 片 DB0481 双面胶带）。

一款专为与 GoPro™ 安装配件兼容而设计的适配器。

Extension cable for the GRAS 41AM and 41CN (and the earlier GRAS 41CM) Outdoor Microphone Systems . Cable length 30 m.

Extension cable for the GRAS 41AM and 41CN (and the earlier GRAS 41CM) Outdoor Microphone Systems . Cable length 20 m.

Extension cables for the Outdoor Microphone Systems Types 41AM and 41CN (and the earlier Type 41CM). Cable length 10 m.

  Extension cables for the Outdoor Microphone Systems Types 41AM and 41CN (and the earlier Type 41CM). Cable length 3 m.  

Extension cable for the Outdoor Microphone Systems Types 41AM and 41CN (and the earlier Type 41CM). Cable length 50 m.

Extension cable for the Outdoor Microphone Systems Types 41AM and 41CN (and the earlier Type 41CM). Cable length 100 m.

Extension cable for the GRAS 41AM and 41CN Outdoor Microphone Systems (and the earlier GRAS 41CM). Cable length 200 m (656.2 feet).

Calibration Control Box for GRAS 41AM/41CN. The AC0001 is a control box with local and remote facilities for switching on/off the Actuator Calibration of the GRAS 41AM and 41CN Outdoor Microphone Systems. It also has a BNC output for analysing the signals from these Outdoor Microphone Systems. It can be connected to a 12 – 18 V DC mains/line adapter for powering the GRAS 41AM and 41CN.

For mounting GRAS 41AM/41CN Outdoor Microphones and GRAS 41AL/41AO Environmental Microphones on a pole or tripod.

For mounting GRAS 41AM/41CN Outdoor microphones and GRAS Environmental microphones 41AL/41AO (fitted with Pole Adapter AM0029) on a tripod. Has 1 1/2" RG (ISO 228/1) male thread on top and 3/8” UNC-16 female thread at the bottom.

For protecting the microphone assembly in Outdoor Microphones GRAS 41AM/41CN.

The GRAS AM0038 is a tool for dismantling the microphone assembly of Outdoor Microphones Type 41AM/41CN.

The RA0009 is an adapter for calibrating the Outdoor Microphone System Type 41AM. It fits over the rain protection cap of the GRAS 41AM and permits in-situ calibration using a Pistonphone such as the GRAS 42AA or a Calibrator such as the GRAS 42AB.

The RA0041 is an adapter for calibrating the GRAS 41CN Outdoor Microphone System . It fits over the rain protection cap of the 41CN and permits in-situ calibration using a Pistonphone such as the 42AA or a Calibrator such as the 42AB.

GRAS OP0023 包含适用于 GRAS 嵌入式传声器一体装置的 1/2”、1/4” 和 1/8” 规格校准适配器。 这些适配器专为使用 GRAS 活塞式发声器（如 42AP）对 GRAS 47AX、47AD、47BX 和 47DX 传声器进行灵敏度校准而设计。它们不兼容 GRAS 42AG 声校准器。

GRAS OP0025 套件包含用于 GRAS 1/4 英寸精密表面传声器的校准适配器。 GRAS OP0025 套件包含 RA0202 灵敏度校准适配器，专为 GRAS 40LA 和 40LS 1/4 英寸表面传声器设计。该适配器仅与 GRAS 活塞式发声器兼容，例如 42AP。

Coupler for 1” microphones. For use with GRAS pistonphones.

Two-port coupler for 1/2” microphones. Used in comparison calibrations between two 1/2” microphones; one of which is a reference microphone. It can also be used in measuring the P-I (Pressure-Intensity) Index of intensity probes at 250 Hz. For use with GRAS 42AA & 42AP Pistonphones.

Two-port high-pressure coupler for 1/2” microphones. Used in comparison calibrations between two 1/2” microphones; one of which is a reference microphone. It can also be used in measuring the P-I (Pressure-Intensity) Index of intensity probes at 250 Hz. For use with GRAS 42AC Pistonphone.

Pistonphone coupler which is factory mounted on GRAS Pistonphone and they are factory calibrated as one unit.

Adapter for GRAS  1/4" and 7 mm microphones when calibrating using GRAS Pistonphones and Sound Calibrator.

1/2" Adapter for 1/8" microphones when calibrating using GRAS pistonphones and Sound Calibrator.

Octopus couplers for calibrating up to eight 1/2" microphones simultaneously.

一款大容量耦合器，可使 GRAS 42AA/AP 活塞式传声器产生 94 dB 的声压级，而非 114 dB（相对于 20 μPa）。在校准高灵敏度、GRAS 低噪声测量系统时必不可少。 该活塞式传声器耦合器专为校准低底噪传声器而设计，例如 GRAS 40HF、40HH、40HL、40HT 和 47HC 型号。它不适用于低底噪仿真耳，包括 GRAS 43BB 产品系列。作为替代方案，可使用设置为 94 dB 的 GRAS 42AG 声校准器套装，用于校准低底噪仿真耳和传声器。

A pistonphone adapter for calibration checking the Ear Simulator Type 43AE when a pinna simulator is mounted on the IEC 60711 Ear Simulator RA0045.

适用于 GRAS 校准器 42AA/42AP 的适配器，用于校准安装在 GRAS KEMAR（45BB/45BC）、45CB、43AG 或 45CA 测试夹具上的 711 型仿真耳（如 GRAS RA0045），需配合耳道延长管使用。

This precision barometer has an LCD which can display (toggle button) either the static-pressure correction (e.g. -0.13 dB) for a pistonphone or the ambient static pressure (e.g. 997 hPa). This product is intended as optional accessory for pistonphones which as standard has an analogue barometer included i.e. for GRAS 42AA, 42AC & 42AC-S2. When used for correction of these, the accuracy is improved.

This is a pistonphone adapter which is designed for field verification of the 1/2" flush-mount microphone included in GRAS 67AX/67AD Ground Array Microphone kits.

 RA0145 是用于 GRAS 40PS-1 表面传声器灵敏度校准的校准适配器。 此适配器仅可与 GRAS 活塞式发声器（如 42AP 型号）配合使用。

GRAS RA0566 套件包含 GR0408 外耳道延长件，该延长件设计用于通过随附的 GR0409 接头螺母连接至 711 型耳模拟器。

Small Right Ear 55 Shore-OO.

Small Left Ear 55 Shore-OO.

Large Right Ear 55 Shore-OO.

Large Left Ear 55 Shore-OO.

Small Right Ear 55 Shore OO for sound quality.

Small Left Ear 55 Shore OO for sound quality.

Large Right Ear 55 Shore-OO.

Large Left Ear 55 Shore-OO.

Small Right Ear 55 Shore-OO.

Small Left Ear 55 Shore-OO.

ANSI Pinna Left 55 Shore-OO.

ANSI Pinna Right 55 Shore-OO.

Large Right Ear (VA-style) 55 Shore-OO.

Large Left Ear (VA-style) 55 Shore-OO.

Ear-mould simulator for connecting a GR0917 (coupler holder) to a BTE hearing aid via 2 mm (for KB0110) or 3 mm (for KB0111) plastic tubing.

Ear-mould simulator for connecting a GR0917 (coupler holder) to a BTE hearing aid via 3 mm plastic tubing.

Small Right Ear 35 Shore-OO.

Small Left Ear 35 Shore-OO.

Large Right Ear 35 Shore-OO.

Large Left Ear 35 Shore-OO.

Small Right Ear 35 Shore OO for sound quality.

Small Left Ear 35 Shore OO for sound quality.

Large Right Ear 35 Shore-OO.

Large Left Ear 35 Shore-OO.

Large Right Ear (VA-style) 35 Shore-OO.

Large Left Ear (VA-style) 35 Shore-OO.

KB5000 是一款专为与 45BB/45BC KEMAR 或 43AG 配合使用的右耳人体测量学耳廓，可实现耳机和耳塞的精准且可重复的测试。其耳道入口和耳道结构符合解剖学原理，并具备正确的软耳轮廓，可为耳机和耳塞提供完美的密封性和插入精度。硬度为 35 Shore OO。 耳廓配备以下附件: 2个 SK6012 手旋螺丝，用于安装在 45BB/45BC KEMAR 或 43AG 上 1x RA0517 工具包含  GR1874 固定环 1x YY028 3 mm 内六角扳手

KB5001 是一款专为 45BB/45BC KEMAR 设计的左侧人体工学耳廓，可实现耳机和耳塞的精准且可重复的测试。该产品具备解剖学上准确的耳道入口和耳道结构，以及正确的软耳轮廓，可为耳机和耳塞提供完美的密封性和插入精度。其硬度为 35 Shore OO 耳廓配备以下配件： 2 个 SK6012 拇指螺丝，用于安装在 45BB/45BC KEMAR 或 43AG 上。 1x RA0517 套件含GR1874 固定环 1x YY028 3 mm 内六角扳手

KB5002 是一款专为配合 45BB/45BC KEMAR 或 43AG 使用的大型右侧人体测量学耳廓，可实现耳机和耳塞的精准且可重复的测试。KB5002 的耳廓和耳道是 KB5001 耳廓的镜像复制；同时保持右侧耳廓基底厚度，使其适合上述 GRAS 测试夹具。它具有解剖学上正确的耳道入口和耳道结构，配备柔软的耳轮设计，为头戴式和入耳式耳机提供完美的密封和插入精度。硬度为 35 Shore OO。 耳廓配备以下配件: 2个 SK6012 拇指螺丝，用于安装在 45BB/45BC KEMAR 或 43AG 上 1x RA0517 套件含 GR1874 固定环 1x YY028 3 mm 内六角扳手

KB5010 is a right anthropometric pinna for 45CA for accurate and repeatable testing of headphones and earphones. It has anatomically correct ear-entrance and ear-canal with correct soft ear helix and provides perfect sealing and insertion accuracy for headphones and earphones. The hardness is 35 Shore OO

KB5011 is a left anthropometric pinna for 45CA for accurate and repeatable testing of headphones and earphones. It has anatomically correct ear-entrance and ear-canal with correct soft ear helix and provides perfect sealing and insertion accuracy for headphones and earphones. The hardness is 35 Shore OO

适用于 GRAS 耦合器和人工耳。它配备了一个可调节的弹簧式臂，可对测试对象施加可变力。

Dimension adapter which increases the diameter of a 1/2" microphone to 1". The adapter is relevant for use with GRAS 45CA Hearing-protector test fixture or in other situations where a 1/2" microphone is to be mounted in a 1" inner diameter hole/cylinder.

GRAS人工耳和耦合器的测试平台。

Use as a substitute, if necessary, for GRAS RA0523 Snap coupling in the GRAS 43AD Artificial Ear to avoid ground loops. In this case, also replace the 1/2" microphone protection grid with the GRAS RA0091 Inslulated microphone protection grid. 

Moulding cup used to fit in-ear hearing aids to IEC 60318-4 (60711) RA0045 Ear Simulator.

For use with 2cc Coupler RA0113.

For use with 2cc Coupler RA0113.

This retro-fit kit enables mounting of the IEC 60318-4 (60711) Ear Simulator on KEMAR models earlier than 2005.

Used for GRAS 45CA when configured with IEC 60318-4 Ear Simulator and KEMAR pinna.

Adapts 1/2" preamplifier to the IEC 60318 Coupler. Designed for use with RA0039 and GRAS 45CA.

This kit is intended for use with previous versions of GRAS RA0052 Artificial Ear Test Jig (before summer 2014). With this kit it is possible to double the force of the arm.

GRAS RA0238 是一款锥形耳道延长套件，专为配备锥形耳道（VA型）的 KEMAR 人工耳廓设计。

该套件包含塑料耳部固定板及塑料耳道延长管，专为基于射频技术的双耳助听器测试而设计。  

GRAS RA0311 is a retrofit kit for fitting anthropometric pinna on a KEMAR previously fitted with standard pinna.

耳道延长套件，配备标准耳廓延长管，直径 7.5 毫米，长度 8.3 毫米。 符合 IEC60318-7 标准。2 pcs，附带 O 型圈。

GRAS RA0240 长型 1/2 英寸传声器支架（套件含两个支架）。

KEMAR 专用锥形耳道延长套件。采用 POM 材料制成。 外径 9.85 毫米，逐渐收缩至外径 7.5 毫米，长度 7.4 毫米。包含 2 个 O 型圈。

适用于短款 1/2 英寸传声器的套件支架。该套件包含两个支架。

KEMAR 专用直耳道延长套件，直径 7.5 毫米，长度 8.3 毫米。采用 POM 材料制成。 符合 IEC60318-7 标准。 包含 2 个 O 型圈。

RA0517 套件包含两个 GR1874 仿真耳固定环，适用于与人工耳廓配合使用。

RA0525 是一种过滤泡棉，专为保护 711 型仿真耳免受灰尘和颗粒物的侵害而设计。产品图片中展示了其安装在 GRAS 711 型仿真耳（不包含在内）内的样子。 每个 RA0525 套装包含 10 个独立的泡棉衬垫。

The GRAS AM0009 is a set of 5 windscreens.  The windscreen is included with the complete windscreens with birdspikes i.e. AM0145, AM0370, and AM0052 but can be replaced separatelly when worn out.

The AM0052 is a windscreen, complete with antibird spikes, for mounting on the Outdoor Microphone Systems GRAS 41AM and 41CN.

AM0069 contains 5 spherical windscreens for 1/2" microphones optimized for sound pressure measurements under free-field conditions.

AM0071 contains 5 spherical windscreens for 1/4" microphones optimized for sound pressure measurements under free-field conditions.

The AM0089 is a spherical windscreen for fitting directly over an existing windscreen with bird spikes, i.e. for outdoor and environmental microphones.

AM0363 contains 5 spherical windscreens for 1" microphones optimized for sound pressure measurements under free-field conditions.

AM0364 contains 6 spherical windscreens optimized for 1/4" dedicated array microphones, or other 1/4" microphone sets mounted in array modules PR0001 & PR0002.

The AM0376 is an elliptical windscreen for use with GRAS Sound Intensity Probe 50GI.

The AM0378 is a windscreen specially designed and optimized for use with GRAS 41AC Outdoor microphones for sound pressure measurements under free-field conditions, i.e. in situations where you want to reduce wind noise.

AM0391 是一款高温防风罩，采用卡扣式安装，专为搭配 GRAS 146AE 传声器使用而设计和优化。如产品图片所示，它安装在 GRAS 146AE 上（不包括传声器）。 AM0391 提供两种不同版本： AM0391-1: 高温卡扣式防风罩用于 146AE (1 pc.) AM0391-2: 高温卡扣式防风罩用于 146AE (5 pcs.)

AM0387 是一款支持卡扣式安装的高温防风罩，专为与 GRAS 147EB 传声器配合使用而设计和优化。 它有两种不同的版本： AM0387-1 用于 147EB 的高温卡扣式安装防风罩, 1 pc. AM0387-4 用于 147EB 的高温卡扣式安装防风罩, 20pcs. 请注意，GRAS 147EB 传声器中已包含 1 个 AM0387。

AM0388 是一款高温防风罩，采购卡扣式安装，转为搭配 GRAS 147AX 传声器使用而设计并优化。 它有两个版本： AM0388-1 高温卡扣式安装防风罩，适用于 147EB, 1 pc. AM0388-2 高温卡扣式安装防风罩，适用于 147EB, 5 pcs. 请注意，AM0388 并未包含在 GRAS 147AX 传声器中，因此需要单独购买。 在产品图片中，该产品与 GRAS 147AX 传声器一同展示（传声器不包含在内）。

RA4800 is a field verification adapter for UTP, surface-mount, and flush-mount microphones. With this adapter, it is possible to perform quick and reliable verification without having to dismount the microphone.