Rion · Noise dosimeters · Noise dosimeter
Rion NB-14
CurrentShoulder-mounted personal noise dosimeter to IEC 61252 with Class 2 sound level meter performance, measuring LAeq, LCeq, LCpeak and dose percentage at a 1 s store cycle for about 48 hours of data. Charged and read out through a USB cradle with the AS-05 Viewer software; a mobile app is offered for viewing. Supports ISO 9612 workplace surveys.
Specifications verified on .
- Type
- Noise dosimeter
- Class
- Class 2
- Channels
- 1
- Octave bands
- None
- Connectivity
- USB via cradle
- Weight
- 72 g
- Battery life
- 12 h
Specifications
As published by Rion. Fields the manufacturer does not publish are omitted rather than estimated.
| Specification | Value |
|---|---|
| IEC 61672-1 class | Class 2 |
| Standards | IEC 61252:1993+AMD1:2000+AMD2:2017, IEC 61672-1:2013 class 2, JIS C 1509-1:2017 class 2 |
| Specification | Value |
|---|---|
| Channels | 1 |
| Measurement range | 58 to 143 dB (LAeq, LCeq) |
| Peak range | 75 to 146 dB (LCpeak) |
| Frequency range | 20 Hz to 8 kHz |
| Frequency weightings | A, C |
| Simultaneous weightings | Yes |
| Parameters | LAeq, LCeq, LCpeak, Dose |
| Dosimetry | Yes |
| Specification | Value |
|---|---|
| Octave bands | None |
| Reverberation time | No |
| Building acoustics | No |
| Audio recording | No |
| Specification | Value |
|---|---|
| Shortest logging interval | 1 s |
| Memory | Internal, about 48 h of data |
| Specification | Value |
|---|---|
| Microphone | UC-52 |
| Detachable preamplifier | No |
| Display | Status indicators and dose bar graph |
| Battery | Built-in rechargeable lithium-ion, charged via USB cradle |
| Battery life | 12 h |
| Weight | 72 g |
| Dimensions (mm) | 85 x 43 x 22 |
| IP rating | IP54 excluding microphone |
| Operating temperature (°C) | -10 to 50 |
| Specification | Value |
|---|---|
| Connectivity | USB via cradle |
| Remote control | Mobile app for viewing results (Google Play; name not given) |
| Software | AS-05 Viewer Noise Dosimeter Data Management Software |
Where this data comes from
| Kind | Document | Accessed |
|---|---|---|
| Product page | Noise Dosimeter NB-14 | |
| Datasheet | NB-14 Datasheet (print code 2303-2) |
Verified on . Only the manufacturer’s own published material is used; distributor pages are not sources.
Spec out of date? Tell us (reference rion-nb-14).
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.
Read next
- How to choose a noise dosimeter · IEC 61252, exchange rates, criterion levels, badge vs cable, intrinsic safety, logging and audio.
- Sound level meter calibration and verification · Field calibration vs laboratory calibration, IEC 61672-3, ISO 17025, intervals, reading a certificate.
Related instruments
More from Rion
- Rion NA-28 · Rion · Class 1Discontinued
- Rion NA-39A · Rion · Class 1
- Rion NL-28 · Rion · Class 2
- Rion NL-38 · Rion · Class 1
Other class 2 noise dosimeters
- Svantek SV 104BIS · Svantek · Class 2
- Svantek SV 104 · Svantek · Class 2Discontinued
- Svantek SV 104A · Svantek · Class 2
- NoisePen · Pulsar Instruments · Class 2