For pistonphones

GRAS RA0157 1/2" Calibration Adapter for KEMAR Pinna

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...

GRAS RA0168 Digital Barometer

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 RA0202 Pistonphone Calibration Adapter for 1/4" Surface Microphone Sets

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...

GRAS RA0216 Field verification adapter for 67AX/AD

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...