GRAS AL0030 User manual
Instruction Manual
GRAS AL0030
Production Line Acoustic Test Chamber
LI0071 - 21 June 2019
Instruction Manual
Revision History
[email protected].
Revision Date Description
1
2
3
6
7
Instruction Manual
Contents
Introduction ...................................................................................................................................................4
Ordering Information ...................................................................................................................................5
Description .....................................................................................................................................................7
Technical Specications........................................................................................................................... 12
Calibration, Service and Warranty.......................................................................................................... 14
Instruction Manual
Introduction
Instruction Manual
Ordering Information
Delivered Items
Included
Acoustic Test Box (not configured) AL0030
MicroDot Stik
LEMO to LEMO BNC to BNC Power Supply
MicroDot Stik
LEMO to LEMO BNC to BNC Power Supply
Included - User selected, one from each category
Reference Microphone Set
GR0917
GR0924
GR1440B
RA0045
26AS
45EA
46BP
RA0241
40AG
GS0158
GR0010
46BD 1
2
43
5
L
B-2 B-1
02010
01020
J
GR1153
46BP-1
DUT Holder Set
Microphone Holder
Instruction Manual
Connector Panel
Optional Accessories
Optional Accessories
Cables
Sound Source
Sound Source Holder
Ear Simulator
Miscellaneous
Instruction Manual
Description
The Acoustic Test Chamber
Fig. 1. Inside view of the AL0030 with one side panel removed. The rails for the drawer are not shown for
clarity.
Instruction Manual
The Drawer
Fig. 2. The drawer and its ttings for holding the DUT. The drawer is shown without its telescopic mounting
and sealing strip.
Instruction Manual
Accessories for Mounting
DUT Holders
Holder for Drawer-mounted Microphone
Microphone Holder
Bushing
Horizontal Boom
Fig. 3. The OP0041 Microphone Holder for attaching a microphone to the drawer.
Instruction Manual
Holder for Chamber-mounted Microphones and Sound Source
Mounting Pole
–
Microphone Holder
Horizontal Boom
Fig. 4. The adjustment possibilities of the OP0040 Microphone Holder.
Sound Source Holder
Mounting Pole
–
Fig. 5. The adjustment possibilities of the OP0045 Sound Source Holder.
Instruction Manual
The Microphone Set
The Connector Panel
Fig. 6. The connector panel, outside view.
Instruction Manual
Technical Specications
Acoustic Test Chamber
Fig. 7. SIL measured in reverberant conditions.
3
39
Instruction Manual
Reference Microphones
46BL
46BD
46BE
Mouth Simulators 44AA and 44AB
Ω
1.3
Instruction Manual
Calibration, Service and Warranty
Calibration
Warranty
Service and Repairs
Table of contents
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