Ono Sokki · LA-4400 series · Handheld sound level meter
LA-4441A
CurrentClass 1 precision integrating sound level meter for noise analysis and product inspection. Frequency range 10 Hz to 20 kHz with Fast, Slow, Impulse and 10 ms time weightings, 100 dB linearity range, USB and RS-232C interfaces, timer and trigger start and Lp record memory from 1 ms intervals. Same housing as the Class 2 LA-1441A.
Specifications verified on .
- Type
- Handheld sound level meter
- Class
- Class 1
- Channels
- 1
- Octave bands
- None
- Connectivity
- USB 2.0 Full Speed (virtual COM port), RS-232C, AC output, DC output, external control input
- Weight
- 360 g
- Battery life
- 8 h
Specifications
As published by Ono Sokki. Fields the manufacturer does not publish are omitted rather than estimated.
| Specification | Value |
|---|---|
| IEC 61672-1 class | Class 1 |
| Standards | IEC 61672-1:2013 class 1, JIS C 1509-1:2017 class 1, JIS C 1516:2020 class 1 |
| Specification | Value |
|---|---|
| Channels | 1 |
| Measurement range | A: 27 to 135 dB; C: 30 to 135 dB; Z: 35 to 135 dB |
| Linearity range | 100 dB (wide range), 80 dB (normal range) |
| Frequency range | 10 Hz to 20 kHz |
| Frequency weightings | A, C, Z |
| Time weightings | F, S, I |
| Parameters | Lp, Leq, LE, Lmax, Lmin, Lpeak, LN (Lhigh, L5, L10, L50, L90, L95, Llow, Lave) |
| Specification | Value |
|---|---|
| Octave bands | None |
| Audio recording | No |
| Specification | Value |
|---|---|
| Shortest logging interval | 1 ms (Lp record memory: 1, 2, 5 or 10 ms) |
| Memory | Lp record 1000 addresses x 200 blocks; Leq 1000 addresses x 200 blocks; total values 100 addresses x 200 blocks; 9 condition memories |
| Specification | Value |
|---|---|
| Microphone | MI-1235 1/2" back-electret condenser, -29 dB nominal sensitivity, with MI-3111 preamplifier |
| Detachable preamplifier | Yes |
| Display | 124 x 64 dot LCD with LED backlight |
| Battery | 2 x AA (alkaline); optional PB-7090 AC adapter |
| Battery life | 8 h |
| Weight | 360 g |
| Dimensions (mm) | 78 x 263 x 47 |
| Operating temperature (°C) | -10 to 50 |
| Specification | Value |
|---|---|
| Connectivity | USB 2.0 Full Speed (virtual COM port), RS-232C, AC output, DC output, external control input |
Where this data comes from
| Kind | Document | Accessed |
|---|---|---|
| Product page | Integrating sound level meter LA-1411/1441A & LA-4441A | |
| Product page | Integrated average sound level meters LA-1411, LA-1441A, LA-4441A |
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-4441a).
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Read next
- How to choose a sound level meter · Class 1 vs class 2, integrating vs non-integrating, parameters by application, options and licences, calibration.
- Class 1 vs class 2 sound level meters · IEC 61672-1 tolerances, what the classes do and do not say, and where each is typically required.
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