Norsonic · Nor103 · Handheld sound level meter
Norsonic Nor103
CurrentPocket-sized Class 1 sound level meter running about nine hours on two AAA cells, measuring A- and C-weighted Lp, Leq, LE, Lmax and C-weighted peak over fixed 1, 5, 10 or 60 minute durations. Fixed half-inch electret microphone with integrated preamplifier. Intended for quick spot checks rather than logging or analysis.
Specifications verified on .
- Type
- Handheld sound level meter
- Class
- Class 1
- Channels
- 1
- Octave bands
- None
- Weight
- 105 g
- Battery life
- 9 h
Specifications
As published by Norsonic. 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 |
| Specification | Value |
|---|---|
| Channels | 1 |
| Measurement range | A 30 to 137 dB; C 40 to 137 dB (wide range) |
| Peak range | 68 to 140 dB (C-weighted peak) |
| Frequency range | 10 Hz to 20 kHz |
| Frequency weightings | A, C |
| Time weightings | F, S |
| Parameters | Lp, Leq, LE, Lmax, LCpeak |
| Specification | Value |
|---|---|
| Octave bands | None |
| Reverberation time | No |
| Building acoustics | No |
| Audio recording | No |
| Specification | Value |
|---|---|
| Shortest logging interval | 1 min (measurement durations 1, 5, 10, 60 min) |
| Specification | Value |
|---|---|
| Microphone | 1/2" electret condenser UC-59, -27 dB re 1 V/Pa, integrated preamplifier |
| Detachable preamplifier | No |
| Display | Numeric display, 0.1 dB resolution, with 30 to 130 dB bar graph |
| Battery | 2 x AAA (LR03) |
| Battery life | 9 h |
| Weight | 105 g |
| Dimensions (mm) | 130 x 63 x 23.5 |
| Operating temperature (°C) | -10 to 50 |
Where this data comes from
| Kind | Document | Accessed |
|---|---|---|
| Product page | Nor103 Sound Level Meter | |
| Other | Norsonic product range 2024-2025 |
Verified on . Only the manufacturer’s own published material is used; distributor pages are not sources.
Spec out of date? Tell us (reference norsonic-nor103).
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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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