Regulatory Compliance And Environmental; Acoustic Noise Emission Information - Dell OptiPlex 740 Technical Manualbook

Dell™ optiplex™ 740 technical guiDe

rEguLatory coMpLiancE anD EnvironMEntaL

Product-related conformity assessment and regulatory authorizations including Product Safety, Electromagnetic
Compatibility (EMC), Ergonomics, and Communication Devices relevant to this product may be viewed at www.dell.com/
regulatory_compliance. The Regulatory Datasheet for this product is located at: www.dell.com/content/topics/global.
aspx/corp/environment/en/prod_datasheets
Details of Dell's environmental stewardship program to conserve product energy consumption, reduce or eliminate
materials for disposal, prolong product life-span and provide effective and convenient equipment recovery solutions
may be viewed at www.dell.com/environment. Product-related conformity assessment, regulatory authorizations,
and information encompassing Environmental, Energy Consumption, Noise Emissions, Product Materials Information,
Packaging, Batteries, and Recycling relevant to this product may be viewed by clicking the Design for Environment
link on the webpage.

acoustic noisE EMission inforMation

optiplex™ 740 mt: Declared noise emissions in accordance with iso 9296 (tested in accordance with iso 7779
service level
hard Drive accessing
cD Drive accessing
idle
optiplex™ 740 Dt: Declared noise emissions in accordance with iso 9296 (tested in accordance with iso 7779
service level
floppy Drive
accessing
hard Drive accessing
cD Drive accessing
idle
optiplex™ 740 sff: Declared noise emissions in accordance with iso 9296 (tested in accordance with iso 7779
service level
floppy Drive
accessing
hard Drive accessing
cD Drive accessing
idle
The Declared Noise Emission in accordance with ISO 9296 for the Dell OptiPlex 740 is as follows
15
Dell is a trademark of Dell inc. ©2008 Dell inc. All rights reserved.
version 1.0
sound power
(l , bels) (1 bel=10
Wad
decibels, re 10 watts)
-12
3.7
5.1
3.6
sound power
(l , bels) (1 bel=10
Wad
decibels, re 10 watts)
-12
4.9
3.8
5.5
3.9
sound power
(l , bels) (1 bel=10
Wad
decibels, re 10 watts)
-12
4.8
4.0
4.8
3.9
sound pressure operator
position (l , decibels)
pam
(re 2x10 pa)
-5
28
42
28
sound pressure operator
position (l , decibels)
pam
(re 2x10 pa)
-5
40
28
45
28
sound pressure operator
position (l , decibels)
pam
(re 2x10 pa)
-5
37
31
31
30
: (all values L d expressed in bels
wa
1
)
15
sound pressure bystander
position (l , decibels)
pam
(re 2x10 pa)
-5
24
37
23
)
15
sound pressure bystander
position (l , decibels)
pam
(re 2x10 pa)
-5
34
23
38
23
)
15
sound pressure bystander
position (l , decibels)
pam
(re 2x10 pa)
-5
32
27
26
25
; 1 bel=10 decibels, re 10 Watts).
2 -12
39 39