G.R.A.S. RA0009 Adapter for Pistonphone calibration


The G.R.A.S. RA0009 is an adapter for calibrating the Outdoor Microphone System G.R.A.S. 41AM. It fits over the rain protection cap of the G.R.A.S. 41AM and permits in-situ calibration using a Pistonphone such as the G.R.A.S. 42AA, 42AP or a Sound Level Calibrator such as the G.R.A.S. 42AB.
The adapter is marked with a serial number and is delivered with correction factors.

Quality & Warranty

G.R.A.S. 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 windscreen we offer a 6 month warranty.