G.R.A.S. 45CA User Manual

G.R.A.S. SOUND & VIBRATION
Page 12
Hearing-Protector Test Fixture Type 45CA
8. Replace the head onto the pedestal (Fig. 4.10)
Note: Do not forget to tighten both of the 1.5 mm Allen grub screws.
To Power module
Head
Microphone/preamplier
assembly
Pedestal
Tube
Split hole
Slides on
and off the
pedestal
Fig. 4.10 Cabeling for the microphone-preamplier assembly
Always tighten
both of the
1.5-mm screws

G.R.A.S. 45CA Specifications

General

Brand	G.R.A.S.
Model	45CA
Category	Protection Device
Language	English