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Ono Sokki · LA-7000 series · Handheld sound level meter

LA-7700

Current

Class 1 sound level meter of the LA-7000 series, the high-sensitivity model with an A-weighted self-noise of 12 dB or less, intended for measuring low-level sounds such as in anechoic rooms and for product noise testing. Shares the LA-7000 platform (4.3-inch touch display, SD card storage, optional 1/3-octave, FFT and recording).

Replaced the LA-3570. Specifications verified on .

Type
Handheld sound level meter
Class
Class 1
Channels
1
Octave bands
1/1 and 1/3
Connectivity
USB 2.0 (micro-B), RS-232C (via Multi I/O cable), SD card, AC/DC output, headphone output, external control input
Weight
540 g
Battery life
12 h
Compare with other instrumentsAll handheld sound level meters

Manufacturer list price

JPY 550,000 (Japan domestic list price excluding tax, manufacturer catalogue CAT.NO.1643-14 (July 2024); options priced separately) — published by the manufacturer at www.onosokki.co.jp, seen on . Prices from distributors are not recorded.

Specifications

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

Standards and class — LA-7700
SpecificationValue
IEC 61672-1 classClass 1
StandardsIEC 61672-1:2013 class 1, JIS C 1509-1:2017 class 1, JIS C 1516:2020 class 1, ANSI S1.4-2014/Part 1 class 1, IEC 61260-1:2014 class 1 (1/3-octave option LA-0702)
Pattern approvalsJapan Measurement Act type approval TF228, TF2210 (as printed in the catalogue)
Measurement — LA-7700
SpecificationValue
Channels1
Measurement rangeA: 20 to 128 dB; C: 28 to 128 dB; Z: 34 to 128 dB (IEC/JIS)
Linearity range110 dB (wide range), 80 dB (normal range)
Frequency range10 Hz to 20 kHz
Frequency weightingsA, C, Z
Time weightingsF, S, I
ParametersLp, Leq, LE, Lmax, Lmin, Lpeak, LN (L5, L10, L50, L90, L95 and others)
Analysis — LA-7700
SpecificationValue
Octave bands1/1 and 1/3
Octave band filter classclass 1 (IEC 61260-1:2014); 1/1 standard, 1/3 with option LA-0702
FFT400, 800 or 1600 lines (option LA-0703)
Audio recordingYes
Logging and data — LA-7700
SpecificationValue
Shortest logging interval10 ms
MemorySD/SDHC card up to 32 GB (16 GB card supplied)
Hardware — LA-7700
SpecificationValue
MicrophoneMI-1281 microphone with MI-3270 preamplifier (diameter not stated)
Detachable preamplifierYes
Display4.3" colour LCD with touch panel
Battery4 x AA (alkaline or Ni-MH); USB bus power; AC adapter PB-7090
Battery life12 h
Weight540 g
Dimensions (mm)90 x 279 x 42
Operating temperature (°C)-10 to 50
Connectivity and software — LA-7700
SpecificationValue
ConnectivityUSB 2.0 (micro-B), RS-232C (via Multi I/O cable), SD card, AC/DC output, headphone output, external control input
SoftwareO-Solution DS-5000, OS-0525 sound quality evaluation, OS-0526 fluctuating sound analysis, OS-0527 time-frequency analysis

Where this data comes from

Manufacturer documents used for this record
KindDocumentAccessed
Product pageHigh performance Sound Level Meter LA-7000 series
DatasheetLA-7000 series catalogue (Japanese, CAT.NO.1643-14)

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

Spec out of date? Tell us (reference ono-sokki-la-7700).

Verified owner reviews

Reviews from people who own and use this instrument, each checked against a serial number by a person.

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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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Read next

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  • LA-3260 · Ono Sokki · Class 2Discontinued
  • LA-3560 · Ono Sokki · Class 1Discontinued

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