Norsonic · Noise Monitoring Terminal · Noise monitoring station
Norsonic Nor1545
CurrentWeatherproof IP66 cabinet housing a Nor145 Class 1 analyser for semi-permanent and permanent outdoor noise monitoring, with mains, 12 V, solar and internal battery supply, LAN, WiFi and 4G communication, GPS and support for weather stations, Noise Compass direction finding and IP cameras. Reports to NorCloud or stores locally on SD card; event audio is available via NorCloud.
Specifications verified on .
- Type
- Noise monitoring station
- Class
- Class 1
- Channels
- 1
- Octave bands
- 1/1 and 1/3
- Connectivity
- LAN, WiFi, 3G/UMTS, 4G/LTE, GPS, digital I/O (Nor1545/B)
- Weight
- 3300 g
- Battery life
- 7 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 (Nor145), IEC 61260-1 class 1 (Nor145) |
| Pattern approvals | Nor145 approvals: PTB, LNE 37403-1, METAS, BEV, CIM, IPQ, GUM |
| Specification | Value |
|---|---|
| Channels | 1 |
| Measurement range | 17 to 137 dB(A) RMS (Nor145) |
| Peak range | 45 to 140 dB (C-weighted peak, Nor145) |
| Frequency range | 6.3 Hz to 20 kHz standard (Nor145); 0.4 Hz to 40 kHz with options |
| Frequency weightings | A, C, Z |
| Time weightings | F, S, I |
| Simultaneous weightings | Yes |
| Parameters | Leq, Lmax, Lmin, LE, Lpeak, Ln percentiles, event markers, noise direction (Nor1297) |
| Specification | Value |
|---|---|
| Octave bands | 1/1 and 1/3 |
| Octave band filter class | class 1 (IEC 61260) |
| FFT | Nor145 FFT option |
| Audio recording | Yes |
| Specification | Value |
|---|---|
| Shortest logging interval | 5 ms (Nor145) |
| Memory | SD card in Nor145 |
| Specification | Value |
|---|---|
| Microphone | Nor1216 heated outdoor microphone with Nor1227 cartridge, or Nor1217 with Nor1239 cartridge |
| Detachable preamplifier | Yes |
| Outdoor microphone kit | Nor1216 (permanent, heated, PTB approved) or Nor1217 (temporary) |
| Weather sensors | Yes |
| Display | 4.3" touchscreen of the Nor145 |
| Battery | Internal backup battery; Tracer Nor344 Li-polymer battery option (Nor1545/B) |
| Battery life | 7 h |
| External power | 88 to 264 V AC; 9 to 28 V DC; solar panel; typical consumption 3.5 W |
| Autonomy on internal power | 3 days |
| Weight | 3300 g |
| Dimensions (mm) | 200 x 132 x 400 |
| IP rating | IP66 (IP67 with extra sealant in the cable gland) |
| Operating temperature (°C) | -20 to 50 (battery charging 0 to 40) |
| Specification | Value |
|---|---|
| Connectivity | LAN, WiFi, 3G/UMTS, 4G/LTE, GPS, digital I/O (Nor1545/B) |
| Remote control | NorCloud |
| Software | NorCloud, NorReview |
| Latest firmware | Nor145 6.0.3025 (25 June 2026) |
Variants
| Variant | Difference |
|---|---|
| Nor1545 | cabinet with Nor145; about 4 to 7 h internal battery backup; 3.3 kg |
| Nor1545/B | adds Tracer Nor344 battery option (up to three days), Noise Compass Nor1297, digital I/O and weather station support; 5.1 kg |
Where this data comes from
| Kind | Document | Accessed |
|---|---|---|
| Product page | Nor1545 Noise Monitoring Terminal | |
| Other | Technical note: Noise Monitoring Terminal Nor1545, April 2024 | |
| Product page | Nor145 Sound Level Meter (acoustic specifications) |
Verified on . Only the manufacturer’s own published material is used; distributor pages are not sources.
Spec out of date? Tell us (reference norsonic-nor1545).
Verified owner reviews
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Known issues and firmware notes
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Read next
- How to specify a noise monitoring station · Autonomy, comms, weatherproofing, outdoor microphone kits, remote calibration checks, cloud platforms, data ownership.
- 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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