Sound Meters

Sound meters

Sound level meters and sound calibrators. Data logging and alarm units are available.

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Technical

Noise or sound level meters are commonly used in noise pollution studies for the quantification of different kinds of noise, especially for industrial, environmental and aircraft noise.

https://en.wikipedia.org/wiki/Sound_level_meter

Extech 407730: Digital Sound Level Meter

40-130dB Meter featuring large LCD display with analog bargraph

Features:

±2dB accuracy with 0.1dB resolution
A+C weighting
AC analog output
Record Max/Min values over time
Utilizes 0.5″(12.7mm) electret condenser microphone

Extech 407732-KIT: Low/High Range Sound Level Meter Kit

Digital sound level meter with 94dB sound calibrator and carrying case

Features:

High accuracy meets ANSI and IEC 651 Type 2 standards
High and Low measuring ranges: 35 to 100dB (low) and 65 to 130dB (high)
Data Hold and Max Hold functions
Backlit LCD display to view in dimly lit area
Includes 407722 – 1kHz 94dB sound calibrator (±5% accuracy)
Includes plastic carrying case for meter and calibrator

Extech 407732: Low/High Range Sound Level Meter

Dual-range Type 2 digital sound level meter with backlit LCD

Features:

High accuracy meets ANSI and IEC 651 Type 2 standards
High and Low measuring ranges: 35 to 100dB (low) and 65 to 130dB (high)
Data Hold and Max Hold functions
Backlit LCD display to view in dimly lit area

Extech 407750: Sound Level Meter with PC Interface

Big backlit display, PC interface & background sound absorber

Features:

Meets ANSI & IEC 651 Type 2 standards
Background noise absorber for machine noise measurements filters ambient noise
30 to 130dB measurement range with ±1.5dB accuracy
Large display with backlighting and analog bargraph
MIN/MAX, Auto/Manual Ranging
Analog AC/DC outputs for connection to a recorder
RS-232 interface for capturing data directly on a PC
Tripod mount ideal for field use

Extech 407790A: Real Time Octave Band Analyzer

Type 2 integrating sound level meter with Octave and 1/3 Octave Band real time display

Features:

Meets ANSI and IEC Type 2 standards
160×160 dot matrix backlit LCD displays Leq, LE, Lmax, Lmin, and Lp
Built-in memory stores up to 12,280 records in SLM mode and 1024 data points in 1/1 or 1/3 octave mode
Stored data can be easily transferred to a PC via RS-232 interface and analyzed using included software
A, C, and Flat weighting with Fast/Slow response time
Real time clock with Year, Month, Day, Hour, Minute, and Second display
25Hz to 10kHz frequency response