Skip to content
soundlevelmeter.review

Ono Sokki · LA-3000 series · Handheld sound level meter

LA-3570

Discontinued

Class 1 high-sensitivity model of the discontinued LA-3000 series, fitted with a 1/2-inch externally polarised microphone for low-level measurements such as in anechoic rooms. Replaced by the LA-7700. Optional 1/1 and 1/3-octave analysis, 400-line FFT, WAV recording and SD-card logging.

Specifications verified on .

Type
Handheld sound level meter
Class
Class 1
Channels
1
Octave bands
1/1 and 1/3
Connectivity
USB (mass storage, mini-B), RS-232C, SD card, AC output, AC/DC output, headphone output, external control input, comparator output
Weight
680 g
Battery life
8 h
Compare with other instrumentsAll handheld sound level meters

Specifications

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

Standards and class — LA-3570
SpecificationValue
IEC 61672-1 classClass 1
StandardsIEC 61672-1:2002 class 1, JIS C 1509-1:2005 class 1, IEC 61260:1995 class 1 (octave options LA-0351/LA-0352)
Measurement — LA-3570
SpecificationValue
Channels1
Measurement rangeA: 22 to 130 dB; C: 28 to 130 dB; Z: 36 to 130 dB
Frequency range10 Hz to 15 kHz
Frequency weightingsA, C, Z
Time weightingsF, S, I
ParametersLp, Leq, LE, Lpeak, Lmax, Lmin, LN (L5, L10, L50, L90, L95 and others), Loudness DIN 45631 (option LA-0358)
Analysis — LA-3570
SpecificationValue
Octave bands1/1 and 1/3
Octave band filter classclass 1 (IEC 61260:1995), options LA-0351 (1/1) and LA-0352 (1/3)
FFT400 lines (option LA-0353)
Audio recordingYes
Logging and data — LA-3570
SpecificationValue
Shortest logging interval10 ms (option LA-0356)
MemorySD/SDHC card up to 32 GB (1 GB card supplied)
Hardware — LA-3570
SpecificationValue
MicrophoneMI-1211 1/2" externally polarised (bias type), -20 dB nominal sensitivity, with MI-3310 preamplifier
Detachable preamplifierYes
Display3.5" LCD with white backlight
Battery4 x AA (alkaline or rechargeable); AC adapter PB-7090
Battery life8 h
Weight680 g
Dimensions (mm)379 x 106 x 49.3
Operating temperature (°C)-10 to 50
Connectivity and software — LA-3570
SpecificationValue
ConnectivityUSB (mass storage, mini-B), RS-232C, SD card, AC output, AC/DC output, headphone output, external control input, comparator output
SoftwareOS-2000 series, DS-3000 series

Where this data comes from

Manufacturer documents used for this record
KindDocumentAccessed
Product page(Discontinued) LA-3000 series High Function Sound Level Meter

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-3570).

Verified owner reviews

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

Opens in November 2026. Own this instrument? Register your interest.

Known issues and firmware notes

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

Opens in November 2026. Own this instrument? Register your interest.

Feature requests

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

Opens in November 2026. Own this instrument? Register your interest.

More from Ono Sokki

  • LA-1411 · Ono Sokki · Class 2
  • LA-1441A · Ono Sokki · Class 2
  • LA-3260 · Ono Sokki · Class 2Discontinued
  • LA-3560 · Ono Sokki · Class 1Discontinued

Other class 1 handheld sound level meters