Sound Level Meters
Class 1 Sound Level Meter (and 1/3 octave band real-time analyzer) NA-28
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
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Datasheet
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Instruction manual
Software
| Model | Version | Release Date | Outline | Download |
|---|---|---|---|---|
| NX-28FT Tonal audibility calculation program for the NX-28FT | Release date： |
Download | ||
| AS-60RT Data Management Software for Environmental Measurement Ver.4.6 Software protection version | 2024/12/06 | Release date: |
Download | |
| NX-28FT Firmware Ver. 1.2 | Release date： |
Download | ||
| AS-60 Data Management Software for Environmental Measurement free trial version Ver.4.6 | 2024/12/06 | Release date： |
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： |
Download | ||
| NA-28 Excel workbook NA28_2007.xlsm for presentation of NA-28 data | Release date： |
Download | ||
| NA-28 Firmware Ver. 2.3 | Release date： |
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
