Sound Level Meters

Class 1 Sound Level Meter (and 1/3 octave band real-time analyzer) NA-28

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Features

NA-28 is a high-end class 1 sound level meter with 1/1-octave and 1/3-octave analysis functions as standard; 1/1-octave and 1/3-octave can be analysed simultaneously (simultaneous display), significantly reducing the time required for measurement and analysis.
The optional NX-28BA (sold separately) enables measurement of acoustic indicators required mainly for building materials, such as floor and wall sound insulation performance measurements, reverberation time and NC values for room noise assessment.
Measurement data can be stored on a memory card and can be processed and edited using dedicated PC software AS-60.
It complies with various standards such as IEC 61672-1 : 2013 class 1, JIS C 1516 : 2020 class 1 and JIS C 1509-1 : 2017 class 1.

Library

Software

                    
Model Version Release Date Outline Download
NX-28FT Tonal audibility calculation program for the NX-28FT

Release date:
October 23th, 2013

Download
AS-60RT Data Management Software for Environmental Measurement Ver.4.6 Software protection version 2024/12/06

Release date:
December 6th, 2024

Download
NX-28FT Firmware Ver. 1.2

Release date:
June 9th, 2017

Download
AS-60 Data Management Software for Environmental Measurement free trial version Ver.4.6 2024/12/06

Release date:
December 6th, 2024

Download
NA-28/NL-42/NL-52/NL-62/VM-55/VM-56/UV-22 USB driver software Ver.2.0.2.20

Release date:
March 25th, 2016

Download
NA-28 Excel workbook NA28_2007.xlsm for presentation of NA-28 data

Release date:
January 22th, 2016

Download
NA-28 Firmware Ver. 2.3

Release date:
June 9th, 2017

Download

Options

AS-60RT Data Management Software for Environmental Measurement

AS-70 Waveform analysis software

BP-21 Battery box (6V DC)

NX-28BA Building Acoustic Card

NX-28FT FFT Analysis Card

NX-28WR Waveform Recording Card

WS-10 Windscreen

Class 1 Sound Level Meter (and 1/3 octave band real-time analyzer) NA-28

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