The G.R.A.S. RA0202 is an adapter to be used for sensitivity calibration of G.R.A.S. 40LA & 40LS 1/4" Surface Microphone Sets using a G.R.A.S. Pistonphone. The adapter is provided with a holder arm which keeps the microphone firmly attached during laboratory calibration. This adapter is also suitable for in-situ verification.
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.