GRAS RA0024 Coupler for two-port Calibration

GRAS RA0024 Coupler for two-port Calibration

Technology

Introduction

The GRAS RA0024 coupler has ports for two 1/2" microphones  for comparison calibrations between two 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 and 42AP Pistonphones. The picture shows a calibration set-up where RA0024 is included.

Alternatives

A similar coupler for GRAS 42AC is available. This is the GRAS RA0042.

Quality & Warranty

GRAS accessories are made of stainless steel, alloys and high-quality composites. These items are covered by a 2 year warranty respecting their intended use.
On consumables like batteries, cables and windscreens we offer a 6 month warranty.

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