UKAS : United Kingdom Accreditation Service is the national accreditation body recognized by government to assess, against internationally agreed standards, ...
UK Government Environmental Noise Regulations
Aircraft Noise indicators ▷ LAeq,16h ▷ Lday ▷ Levening.
Industrial Noise and Port Noise indicators ▷ LAeq,16h ▷ Lday ▷ Levening.
Railway Noise indicators ▷ LAeq,6h ▷ LAeq,16h ▷ LAeq,18h • Lday ▷ Levening.
Road Traffic Noise indicators ▷ LA10,18h ▷ LAeq,16h ▷ Lday ▷ Levening.
See also • Coupled Modes
Undamped Natural Frequency Definition IEC 801-24-09, frequency of free oscillation resulting from only elastic and inertial forces of the system.
See also • Natural Frequency
Under-range the input to the sound level meter is too low for the current measurement range.
Under-range %, percentage of time that an under range occurred
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