Ono Sokki · LA-1400 series · Handheld sound level meter
LA-1441A
CurrentClass 2 integrating sound level meter for workplace and environmental noise. Compared with the LA-1411 it adds timer and trigger start, Lp record memory from 1 ms intervals, USB and RS-232C interfaces, external control input and an optional comparator. Frequency range 10 Hz to 8 kHz, 100 dB linearity range, detachable microphone.
Specifications verified on .
- Type
- Handheld sound level meter
- Class
- Class 2
- 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 2 |
| Standards | IEC 61672-1:2013 class 2, JIS C 1509-1:2017 class 2, JIS C 1516:2020 class 2 |
| Specification | Value |
|---|---|
| Channels | 1 |
| Measurement range | A: 26 to 135 dB; C: 31 to 135 dB; Z: 36 to 135 dB |
| Linearity range | 100 dB (wide range), 80 dB (normal range) |
| Frequency range | 10 Hz to 8 kHz |
| Frequency weightings | A, C, Z |
| Time weightings | F, S |
| 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-1433 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-1441a).
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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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