Norsonic · Nor145 / Nor150 · Handheld sound level meter
Norsonic Nor150
CurrentTwo-channel Class 1 sound and vibration analyser with a 4.3-inch touchscreen, built-in GPS and camera option, used for dual-channel building acoustics, sound intensity with the Nor1290 probe and environmental logging. Shares the Nor145 firmware and option structure, with numbered options for octave filters, audio, reverberation, building acoustics, FFT, ultrasound and STIPA.
Specifications verified on .
- Type
- Handheld sound level meter
- Class
- Class 1
- Channels
- 2
- Octave bands
- 1/1 and 1/3
- Connectivity
- LAN, USB host, digital I/O, GPS (option 1), built-in camera (option 1)
- Weight
- 700 g
- Battery life
- 8 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, IEC 61260-1 class 1, IEC 60651, IEC 60804, DIN 45657, ANSI S1.4, ANSI S1.11, ANSI S1.43, IEC 60268-16 (STIPA, option 17), ISO 16283, ISO 717 |
| Pattern approvals | PTB (Germany), rev. 4, LNE 32377-4 (France), METAS (Switzerland), BEV (Austria), CIM (Czech Republic) |
| Specification | Value |
|---|---|
| Channels | 2 |
| Measurement range | 17 to 137 dB(A) RMS, single 120 dB range, plus 10 dB extended range |
| Peak range | 45 to 140 dB (C-weighted peak), plus 10 dB extension |
| Frequency range | 0.4 Hz to 20 kHz (option 3); to 40 kHz with ultrasound option 14 |
| Frequency weightings | A, C, Z, B, G, U |
| Time weightings | F, S, I |
| Simultaneous weightings | Yes |
| Parameters | Leq, Lmax, Lmin, LE, Lpeak, LFTm5, Ln percentiles, LAeq-LCeq, dual-channel synchronous measurement |
| Specification | Value |
|---|---|
| Octave bands | 1/1 and 1/3 |
| Octave band filter class | class 1 (IEC 61260), option 3 |
| FFT | option 13; 8192 lines, 1.46 Hz resolution (16384 lines with ultrasound) |
| Reverberation time | Yes |
| Building acoustics | Yes |
| Speech intelligibility | STIPA (option 17) |
| Audio recording | Yes |
| Specification | Value |
|---|---|
| Shortest logging interval | 5 ms |
| Memory | SD card (tested to 512 GB) |
| Specification | Value |
|---|---|
| Microphone | 1/2" Nor1225 microphone with Nor1209 preamplifier; Nor1290 intensity probe optional |
| Detachable preamplifier | Yes |
| Outdoor microphone kit | Nor1217 or Nor1216 outdoor microphones |
| Display | 4.3" colour touchscreen plus push keys |
| Battery | Replaceable Li-ion pack (NCA103450 cells); 9 to 15 V DC input |
| Battery life | 8 h |
| Weight | 700 g |
| Dimensions (mm) | 240 x 82 x 39 excluding microphone |
| Specification | Value |
|---|---|
| Connectivity | LAN, USB host, digital I/O, GPS (option 1), built-in camera (option 1) |
| Remote control | NorCloud (option 12), web server (option 11), Remote API (option 15) |
| Software | NorCloud, NorConnect, NorVirtual, Nor850 Suite, Nor850/SI Sound Intensity |
| Latest firmware | 6.0.3025 (25 June 2026); release note v6.0.2920 (22 May 2026) |
Variants
| Variant | Difference |
|---|---|
| Advanced Level kit | options 3, 4, 11, 12 |
| Building Acoustic kit | options 3, 7, 8, 9 |
| Consultant kit | options 3, 4, 7, 8, 11, 12, 13 |
| Sound Intensity kit | options 2, 3, 5 with Nor1290 probe and Nor850/SI software |
Where this data comes from
| Kind | Document | Accessed |
|---|---|---|
| Product page | Nor150 Sound Level Meter | |
| Datasheet | Nor145 / Nor150 brochure EN, March 2026 | |
| Firmware notes | Release note v6.0.2920 Nor145/Nor150, May 2026 |
Verified on . Only the manufacturer’s own published material is used; distributor pages are not sources.
Spec out of date? Tell us (reference norsonic-nor150).
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Known issues and firmware notes
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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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