Description
The 147EB microphone set for wheelhouse brake testing consists of a robust microphone set and three layers
of protection.
The basic microphone set consists of a preamplifier which is designed to resist shocks and
vibration, and a microphone capsule with a diaphragm which is a more robust type than that conventionally
used on measurement microphones. The preamplifier/microphone assembly is watertight to IP67, the vent
-
ing is protected against water and the BNC connector is also watertight. A windscreen and two protection
grids with built-in filters provide easily exchangeable protection.
Fig. 1.
Three layers of protection: Windscreen on top of 1” protection grid on top of 1/2” protection grid. Both grids have built-in
acoustically transparent filters.
Delivered Items
147EB CCP X-Rugged Microphone Set
Optional Items
Windscreen for 147EB. 1 pc.
AM0387-1
Windscreen for 147EB. 20 pcs.
AM0387-4
1/2” Dust, Oil and Water resistant protection grid
RA0360
1” Dust, Oil and Water resistant protection grid
RA0355
5 m waterproof/high temperature BNC-BNC cable for 147EB
AA0121
1/2” Calibration Adapter
RA0341
Quick Guide
GRAS 147EB CCP X-Rugged Microphone
