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Class 2 Sound Level Meter

SV 973

SV 973 Class 2 Sound Level Meter meets IEC 61672 and comes with a lifetime warranty on the MEMS microphone. Because the external microphone it is constructed of two MEMS microphones, it may detect sounds as high as 141 dB Peak and as low as 25 dB in the presence of low background noise. The SV 973 sound level meter describes its small size and weight. It is perfect for on-the-go use.

What is a Class 2 Sound Level Meter?

The Class 2 Sound Level Meter is a noise measuring device that meets IEC 61672 class 2 standards. It has a microphone, a preamplifier, a signal processor, and a display that displays noise results. The class 2 specification is very similar to the class 1 sound level meter specification, but with different acceptance limits and a different range of operational temperature. Class 2’s acceptance limits are greater than or equal to those of class 1.

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Class 2 sound level meter
Class 2 IEC61672
noise frequency analysis
Frequency Analysys
MEMS microphone
MEMS microphone

SV 973 Sound Level Meter

Catalogue

SV 973 Sound Level Meter

Discover all the features of SV 973 noise level meter that assist you in completing noise at work sampling tasks quickly and efficiently.

Sound Meter

Features

The large measurement range

The measurement range of the sound level meter

The measurement range of sound level meters is the lower and upper extremities of noise levels that a meter can detect while still meeting IEC 61672 tolerance limits in the frequency bands. The SV 973 has two measuring ranges and a total measuring range of 25 dBA Leq÷141 dBA Peak.
Class 2 sound level meter to IEC 61672

Logging sound level meter

Digital sound level meter with logging

A digital sound level meter is a noise measuring device that employs an analog-digital converter (ADC) and time weightings to convert noise measurements into a digital signal shown on screen in decibels. The noise readings are recorded in the memory of sound level meters as time histories, with integration intervals.
Digital sound level meter

Professional sound level meters

New generation of sound level meters

There are three types of sound level meters: Class 1 and Class 2 devices following IEC 61672 tolerance limits, and low-cost sonometers or decibel meters. The new SV 973 sound level meter, and the SV 971A class 1 sound level meter are two new generation models that comply with IEC 61672 performance criteria. They have a small size and weight as well as improved application compatibility via mobile apps, which is their main feature.
Digital sound level meter class 2

Patented microphone technology

A lifetime warranty for the MEMS microphone.

The SV 973 noise meter is the first product in its class to feature a high-performance MEMS microphone. Because these type of electronic components are shock resistant and require less power, MEMS microphones are better than piezoelectric ones. The SV 973 sound level meters feature a 38-hour battery life thanks to its superior MEMS microphone!
SV973 Sound Level Meter

Noise Analyser Options

1/1 and 1/3 octaves, wav recording, RT60 and STIPA

The SV973 Sound Level Meter is one of the most accurate class 2 meters on the market due to its measurement abilities. Noise analyzer choices such as 1/1 and 1/3 real-time octave analysis, wav recording, reverberation time measurement, and even STIPA speech intelligibility go well above and beyond what other class 2 meters.
Digital sound level meter

Sound Meter Apps

Meter App for Android or iOS device and software for PC

The SV 973 is also equipped with a Bluetooth and Assistant mobile software that allows you to extend the noise measurement capabilities (e.g. remote start/stop) and perform STIPA or RT60 measurements using your smart device. The PC software offers reporting and unique functions of hearing protectors selection to protect your hearing.
Digital sound level meter class 2

Calibration with an Acoustic Calibrator

Autocalibration feature at reference frequencies

With the autocalibration feature, sound level meters may be quickly calibrated in the field using an acoustic calibrator, as soon as the microphone is placed into the calibrator. The noise meter can be calibrated at two levels 94 dB and 114 dB.
Class 2 sound level meter to IEC 61672

Class 2 Meter

Applications

Occupational safety and health

Noise at work

For noise measurements at work, the dedicated sound exposure meter lifts the dynamic range of a sound level meter up to 141 dB Peak. This professional sound level meter satisfies NIOSH SLM, OSHA, MSHA, ACGIH, and ISO performance criteria for noise exposure and relevant international standards for environmental noises measurements.
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Sound Measurements - dBA Meter

Sound measurements in a frequency range to 10 kHz

Frequency weightings of SV 973 meet the performance criteria of type 2, allowing it to be used for the most applications where a class 1 frequency range is not required, up to 10 kHz.
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SV973 Miernik poziomu dźwięku

STIPA in accordance with IEC 60268

Noise meter for classrooms

The STIPA speech transmission and RT60 reverberation time function in the type 2 sound level meter may be utilized to measure sound levels in schools or public announcement alarm systems. The BA Assistant mobile app allows you to carry out the procedure.
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BA Assistant App

SV 973 Noise Meter

Videos

SV 973 Overview

See why the SV 973 sound level meters are different from all class 2 instruments

Professional SLM

Discover amazing features of the SV 973 sound level meter

Easy to use

The SV 973 meter is very easy to use with one hand!

SV 973 Unboxing

From unpacking to the first start of the meter

SLM Calibration

See how easy it is to calibrate sound level meters

Measurement settings

Quick configuration of the SV 973 for noise measurements

Class 2 Sound Level Meter

SV 973 Class 2 Sound Level Meter

SV 973 Class 2 Sound Level Meter
The kit consist of SV 973 Class 2 sound level meter equipped with a new robust MEMS microphone with a life-time warranty. The kit includes: SA 22 windscreen, SA 80 soft bag for instrument, 8 GB built-in memory, four AAA batteries, USB-C cable, and pendrive with user manual. Each SV973 has its factory calibration certificate and 36 months warranty upon product registration.

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SF973_2 - Firmware option to SV 973:  1/3 octave analysis

SF973_2 - Firmware option to SV 973: 1/3 octave analysis

The firmware option to SV 973: 1/3 octave analysis

SF973_5 - Reverberation time analysis (RT60) option for SV 973

SF973_5 - Reverberation time analysis (RT60) option for SV 973

Reverberation time analysis (RT60) option for SV 973

SF973_15 - Firmware option to SV 973: audio (WAV) recording

SF973_15 - Firmware option to SV 973: audio (WAV) recording

The firmware option to SV 973: audio (WAV) recording







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    Technical

    Specifications

    SV 973 Class 2 Sound Level Meter

    Applications

    Sound measurements
    Occupational noise
    Building acoustics

    Hardware Features

    Number of channels 1
    Self-vibration detection
    Auto-calibration
    Bluetooth
    Communication Interfaces USB, Bluetooth
    Display
    Keyboard 8 keys
    Memory internal 8 GB
    Battery type 4 x AAA
    Operating time 20-38 hours
    Operating temperature range -10 °C to 50 °C
    Humidity range up to 95% RH, non-condensed
    Weight 225 g
    Size 205 x 52 x 20 mm

    Sound measurements features

    Standards Class 2: IEC 61672-1:2013
    Microphone type MEMS
    Preamplifier type Integrated
    Linear operating range to IEC 61672 SLM: 32 dBA Leq÷128 dBA Peak
    Total measurement range 25 dBA Leq÷141 dBA Peak
    Internal noise < 25 dBA RMS
    Frequency range 20 Hz ÷ 10 kHz
    Weighting filters Frequency weighting: A, B, C, Z, LF
    Time constants Slow, Fast, Impulse
    Exchange rates 2, 3, 4, 5, 6
    Criterion levels adjustable
    Profiles per channel 3
    Min logging step 100 ms
    Statistics Ln (L1-L99)
    Statistics in octaves or third octaves
    Audio recording option
    Voice coments
    1/1 octave option
    1/3 octave option
    RT60 option
    STIPA option

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