[PDF] A summary of parameters and functions shown by the Optimus





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Real-time 1/3 Octave analysis on site

Octave band analysis using the VX-56RT option. The VX-56RT third octave option also enables the use of user-defined frequency weightings. The VX-56RT stores 





Appendix C: Standard Octaves and Sound Pressure

octave. An octave is spanned by three 1/3-octave bands and 12 1/12-octave weightings are numerically added to the SPL levels in the frequency bands to ...



A summary of parameters and functions shown by the Optimus

A-weighted Third. Octave Band LF. The 1:3 Octave Band Filters shown graphically with A-weighting applied. Where Tonal Noise Detection is available bands are 



RION Sound ? Vibration Measuring Instruments General Catalog

Sound level meter and filter functions for octave band and 1/3 octave band Simultaneous measurement of following items with selected time weighting and ...



Infrasound levels near windfarms and in other environments

1/3 Octave Band Centre Frequency Hz. G-Weighting Function. Figure 2 – G-weighting function. The perception of noise in the infrasonic range is greatest at 



A summary of parameters and functions shown by the Optimus

Third Octave. Band LF. The 1:3 Octave Band Filters shown graphically. No frequency weighting is applied. Where Tonal Noise Detection is available bands are 



Product Data: 2238 Mediator™ — Class 1 Integrating Sound Level

ently frequency weighted RMS/RMS or RMS/Peak measurements. This octave bands and the 29 1/3-octave bands making it a simple matter.



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include the G-weighted sound pressure level of LG=92(dB). Table 2 Reference Values for Complaints of Mental and Physical Discomfort. 1/3 Octave-band.



Sound level meter

Sound level meter and 1/3 octave band real-time analyzer Main and Sub-Channel for simultaneous selection of 2 time or frequency weightings.

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'A' Weighting 'C' Weighting 'Z' Weighting

A-WeightingC-WeightingZ-Weighting

Fast, Slow and

Impulse Time

Weightings

Equivalent

Continuous

Sound Level (Leq)

Peak Sound

Pressure

1:1 &1:3 Octave

Band Filters

General View

Sound Level View

Leq View

1:1 Octave Band

View

1:3 Octave Band

View

Ln View

Dose View

Environmental

View

Noise Nuisance

View % Dose or

Dose %

115dBA

115dB LAS ex.

ACGIH

A-weighted

Octave Band

Leq,1s

A-weighted

Octave Band

Leq,t

A-Weighted

Octave Band

Leq,t

A-weighted

Octave Band LF

A-weighted Third

Octave Band

Leq,1s

A-weighted Third

Octave Band

Leq,t

A-weighted Third

Octave Band

Leq,t

A-weighted Third

Octave Band LF

C-A

Criterion Level or

CL

Criterion Time or

CT dB(A) dB(C) dB(Z)

Estimated Dose

or Est Dose %

Estimated

Exposure

Exchange Rate (Q)

Exposure

Exposure Time

ISO (EU)

L10 L90 LA10 LA90 LAE LAeq

LAeq,1s

LAeq,t

LAF LAF10 LAF90

LAFmax

LAFmin

LAFTeq

LAI

LAImax

LAImin

LAS

LASmax

LASmin

LAT LAVG LCE

LCeq,1s

LCeq,t

LCF

LCFmax

LCFmin

LCI

LCImax

LCImin

LCPeak

LCS

LCSmax

LCSmin

LE (SEL)

LEP,d LEP,w Leq Leq,t

LEX,8h

LIeqT Lmax Lmin Ln Lp Lw LZE

LZeq,1s

LZeq,t

LZF

LZFmax

LZFmin

LZI

LZImax

LZImin

LZPeak

LZS

LZSmax

LZSmin

Maximum Sound

Level (Lmax)

Minimum sound

level (Lmin)

MSHA EC

MSHA HC

NC NR

Octave Band

Leq,1s

Octave Band

Leq,t (Graph)

Octave Band

Leq,t (Numbers)

Octave Band LF

OSHA HC

OSHA PEL

Pa2h (Pa

2 h) Peak

Percentile Levels

(Ln)

Projected

Exposure

Q

Sound exposure

level (SEL)

Third Octave

Band Leq,1s

Third Octave

Band Leq,t

(Graph)

Third Octave

Band Leq,t

(Numbers)

Third Octave

Band LF

Third Octave

Functions

Threshold Level

TW

TWA (Time

Weighted

Average)

Sound Level

Meters

Integrating Sound

Level Meters

Noise

Dosemeters

Acoustic

Calibrators

Class 1

Class 2

Type 1

Type 2

IEC

IEC 60651

IEC 60804

IEC 61252

IEC 61260

IEC 61672

IEC 651

IEC 804

IEC 60942

IEC 942

DIN 45641

ISO There are a number of other terms that are used when we are discussing sound level meter and noise dosimeters and this section covers some of the more common of these.

Acoustic

Calibrator

Acoustic

Fingerprint

Audio Quality

Audio Recording

Audio Triggers

Broadband

Calibrated to

Calibration

Calibration o?set

CE Marking

Decibel (dB)

Data Logging

Display

Dynamic Range

Free Field

Microphone

Integrating

Averaging Sound

Level Meter

Microphone

Capsule

Noise Floor

Overload

Pa

Preamplifier

Quick Settings

Repeat Timer

Single Timer

Sound Level

Meter

Sound Power

Level

Sound Pressure

Level

Statistical

Analysis

Third octave band

Time constant

Time History Rate

Tonal Noise

Detection

Under Range

USB Socket

VoiceTag

3.5mm Socket

18 Way Socket

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