Accessories
GRAS Sound & Vibration offers a wide range of standard accessories in the form of cables, adapters, windscreens and tripods for use in measuring set-ups. These can be broadly split up under accessories for microphones, for preamplifiers, for outdoor microphones, for pistonphones and pinna simulators and accessories for ear simulators. Some are included with certain products, some are available as extras. All can be ordered individually. The brief descriptions given here as well as those on downloadable accessories sheet will help you to select what you need for your particular set-up. At all events, feel free to contact your GRAS partner if you need advice or further information.
GRAS Sound & Vibration also offers a wide range of special products and customised solutions. Our experience within the field of acoustics and vibration, combined with our short development time, enable us to provide innovative solutions to complex measurement problems in close co-operation with the customer. For a technical discussion of your measurement requirements, please contact your local representative or contact GRAS Sound & Vibration directly in Denmark.
Length: 48 mm
Inner threading for preamp.: 11.70-60 UNS-2
Outer threading for mic.: 11.70-60 UNS-2
Material: stainless steel
GRAS RA0132 Dehumidifier for 1/2” microphones
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...
GRAS RA0143 Ear Simulator Holder Kit for KEMAR
This retro-fit kit enables mounting of the IEC 60318-4 (60711) Ear Simulator on KEMAR models earlier than 2005...
Material: Stainless steel
GRAS RA0157 1/2" Calibration Adapter for KEMAR Pinna
Adapter for Pistonphone calibrating a GRAS RA0045 Ear Simulator with a KEMAR Ear Canal extension...
Precision barometer which displays (toggle switch):
static-pressure correction for a pistonphone
the ambient static pressure.
GRAS RA0168 Digital Barometer
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 in..
GRAS RA0172 Pinna Holder Kit for GRAS 45CA
Used for GRAS 45CA when configured with IEC 60318-4 Ear Simulator and KEMAR pinna...
Length: 17.4 mm
Outer diameter: 3. 5mm
Threading (mic. protection grid threading): M3.175x0.2
Material: Stainless steel
Weight: tbd
GRAS RA0173 1/8” Nosecone
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...
Length 12 mm
Diameter: 23.77 mm
Material: Stainless steel
GRAS RA0176 1/2" to 1" Adapter for RA0039
Adapts 1/2" preamplifier to the IEC 60318 Coupler. Designed for use with RA0039 and GRAS 45CA...
Material: Black POM
GRAS RA0185 Holder for Array microphone in PR0002 Array module
The GRAS RA0185 is a holder for mounting an Array microphone (7 mm diam.) on a GRAS PR0002 Array module. ..
Length: 15.2 mmInner threading for preamp.: 11.70-60 UNS-2Outer threading for mic.: 11.70-60 UNS-2Material: stainless steel
GRAS RA0190 Right-angled (90º) Adapter for 1/2" Microphone and 1/2" Preamplifier
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...
Kit with 4 springs
GRAS RA0196 Retrofit High-tension Spring Kit for RA0052
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...
Adapter
Correction factors: none
GRAS RA0202 Pistonphone Calibration Adapter for 1/4" Surface Microphone Sets
This is a pistonphone adapter for sensitivity calibration of our precision 1/4" surface microphone sets. The adapter is designed for laboratory calibration and can also be used for in-situ verification...
Material: Black POM
GRAS RA0216 Field verification adapter for 67AX/AD
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...
