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Rion · NL-43 / NL-53 / NL-63 · Handheld sound level meter

Rion NL-53

Current

Class 1 integrating sound level meter with a 3.5-inch colour touch panel, LAN port for browser-based remote operation and USB-C power input, measuring up to four weighting combinations at once. Octave and 1/3-octave analysis, FFT and waveform recording are add-on programs. The NL-43 is the Class 2 version on the same platform.

Launched 2023. Replaced the Rion NL-52. Specifications verified on .

Type
Handheld sound level meter
Class
Class 1
Channels
1
Octave bands
1/1 and 1/3
Connectivity
USB-C, LAN (with NX-43EX), RS-232C, SD card, comparator output and trigger input, DC in
Weight
400 g
Battery life
16 h
Compare with other instrumentsAll handheld sound level meters

Manufacturer list price

JPY 310,000 (Manufacturer suggested retail price excluding tax, Japan, at launch 1 June 2023; without legal verification) — published by the manufacturer at kyodonewsprwire.jp, seen on . Prices from distributors are not recorded.

Specifications

As published by Rion. Fields the manufacturer does not publish are omitted rather than estimated.

Standards and class — Rion NL-53
SpecificationValue
IEC 61672-1 classClass 1
StandardsIEC 61672-1:2013 class 1, ANSI/ASA S1.4-2014 Part 1 class 1, JIS C 1509-1:2017 class 1, JIS C 1516:2020 class 1, ISO 7196:1995
Measurement — Rion NL-53
SpecificationValue
Channels1
Measurement rangeA 25 to 138 dB; C 33 to 138 dB; Z 38 to 138 dB
Peak rangeC 55 to 141 dB; Z 60 to 141 dB
Frequency range10 Hz to 20 kHz
Frequency weightingsA, C, Z
Time weightingsF, S, I
Simultaneous weightingsYes
ParametersLp, Leq, LIeq, Leq,mov, LE, Lmax, Lmin, LN, Lpeak, Ltm5
Analysis — Rion NL-53
SpecificationValue
Octave bands1/1 and 1/3
Octave band filter classNX-43RT option (requires NX-43EX)
FFTNX-43FT option
Reverberation timeYes
Audio recordingYes
Logging and data — Rion NL-53
SpecificationValue
Shortest logging interval10 ms (Lp store)
MemorySD card (512 MB supplied with NX-43EX); up to 1000 h of data
Hardware — Rion NL-53
SpecificationValue
Microphone1/2" UC-59, -27 dB re 1 V/Pa
Outdoor microphone kitWS-15 all-weather windscreen; WS-16 rain-protection windscreen
Display3.5" backlit colour TFT QVGA resistive touch panel plus three hardware keys
Battery4 x AA (alkaline or Ni-MH); USB-C power from mobile battery
Battery life16 h
Weight400 g
Dimensions (mm)258 x 83.5 x 34.5
IP ratingIP54 excluding microphone (IPX3 with WS-15 or WS-16 windscreen)
Operating temperature (°C)-10 to 50
Connectivity and software — Rion NL-53
SpecificationValue
ConnectivityUSB-C, LAN (with NX-43EX), RS-232C, SD card, comparator output and trigger input, DC in
Remote controlWeb browser via LAN (NX-43EX)
SoftwareAS-60 Data Management Software, AS-60RT, AS-70 Waveform Analysis, NX-43EX Extended Function, NX-43RT Octave/1/3 Octave, NX-43FT FFT, NX-43RV Reverberation Time, NX-43WR Waveform Recording

Variants

Variants of the Rion NL-53 as the manufacturer names them
VariantDifference
NL-53Class 1; UC-59 microphone (-27 dB re 1 V/Pa); 10 Hz to 20 kHz; A 25 to 138 dB
NL-43Class 2 (IEC 61672-1:2013, ANSI/ASA S1.4-2014, JIS C 1509-1:2017, JIS C 1516:2020); UC-52 microphone (-33 dB); 20 Hz to 8 kHz; self-noise A 19 dB; list price JPY 230,000 ex tax at launch

Where this data comes from

Manufacturer documents used for this record
KindDocumentAccessed
Product pageClass 1 Sound Level Meter NL-53
Product pageNL-43 / NL-53 / NL-63 special page
DatasheetNL-43 / NL-53 / NL-63 Datasheet (2303-1)
Press releaseRion Co., Ltd. press release, 1 June 2023 (Kyodo PR Wire)

Verified on . Only the manufacturer’s own published material is used; distributor pages are not sources.

Spec out of date? Tell us (reference rion-nl-53).

Verified owner reviews

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Known issues and firmware notes

Hardware and firmware problems reported by owners, with the firmware version concerned and any manufacturer response.

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Feature requests

Functions owners would like to see in a firmware update or a successor model.

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