noisethermo meter · noisethermo meter sound energy doubles every 3 db example: if a 90 db noise is...
TRANSCRIPT
Severe Irritationto the Ear120 dB
Severe Irritationto the Ear120 dB
Noise ThermometerSound Energy Doubles Every 3 dBExample: if a 90 dB noise is doubled, it measures 93 dB
0 dB
Fireworks162 dB
Handgun166 dB
ApolloLift-Off188 dB
Shotgun170 dB
Artillery Fire162 dB
Firecracker150 dB
BalloonPop157 dB
Jet EngineTake-Off150 dB
EngineBackfire140 dB
Noisy SqueezeToys135 dB
Bicycle Horn143 dB
DynamiteBlast140 dB
PigSqueal130 dB
Jackhammer130 dB
Auto Racing130 dB
OxygenTorch121 dB
Thunder120 dB
Hammeron Nail120 dB
Generator116 dB
RockConcert120 dB
Chainsaw118 dB
Jet Planeat Ramp120 dB
Stadium117 dB
Compactor116 dB
CryingBaby110 dB
Motorcycle105 dB
CDPlayer105 dB
AmbulanceSiren112 dB
ImpactWrench102 dB
Diesel TruckAccelerating114 dB
Bulldozer100 dB
PowerLawnmower94 dB
Subway90 dB
Table Saw93 dB
Cockpit ofPropellerAirplane88 dB
IndustrialFire Alarm95 dB
Forklift87 dB
SmokeAlarm85 dB
Blender85 dB
Elevator85 dB
Hair Dryer 80 dB
Handsaw85 dB
RingingTelephone82 dB
VacuumCleaner74 dB
AlarmClock75 dB
GarbageDisposal80 dB
Lathe81 dB
SewingMachine60 dB
MicrowaveOven58 dB
Dishwasher60 dB
BackgroundMusic50 dB
Rainfall50 dB
NormalConversation60 dB
Large Office50 dB
FlowingStream50 dB
Paper Rustling50 dB
Transformer50 dB
QuietLibrary40 dB
QuietOffice40 dB
QuietResidentialArea40 dB
Refrigerator43 dB
AudibleWhisper30 dB
NormalBreathing10 dB
M1 Rifle161 dB
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
�
Immediate Physical Damage
160 dB
Immediate Physical Damage
160 dB
Immediate Pain Threshold
130 dB
Immediate Pain Threshold
130 dB
Unprotected NoiseExposure of AnyDuration Not
Permitted Above This Level115 dB
Unprotected NoiseExposure of AnyDuration Not
Permitted Above This Level115 dB
Extremely Loud100 dB
Extremely Loud100 dB
Hearing ProtectionRequired by OSHA
90 dB
Hearing ProtectionRequired by OSHA
90 dB
Ear DamagePossible85 dB
Ear DamagePossible85 dB
Non-Hazardous65 dB
Non-Hazardous65 dB
Comfortable50 dB
Comfortable50 dB
Threshold of Audibility20 dB
Threshold of Audibility20 dB
OSHA Permissible Exposure Limits
Non-Occupational Noise Occupational Noise
8 Hours
4 Hours
1 Hour
15 Min
30 Min
�
�
�
�
�
�
��
�
�
�
�
�
�
�
�
�
�
�
�
�
�
��
�
�
HP.202 08/05 RPI
2 Hours
0 dB
Sperian Hearing Protection, LLC • A Honeywell Company • 7828 Waterville Road, San Diego, CA 92154 • ph. 800/430-5490 • fax 401/232-3110 • www.howardleight.com