Our top range sound level meter and acoustic analyser.
Nor145 sound level meter with a 4.3” large true colour touchscreen, to serve you a user-friendliness that we know from our smartphones.
Further features of the Nor145 is a 3G/4G LTE modem, GPS, onboard voice and text note editor. Connected to your smartphone via the NorVirtual App you have full remote access to your instrument. You can take photos and voice notes that are seamless transferred and integrated with markers to your noise data.
Nor145 can also be controlled via NorCloud, Nor850 software, and NorVirtual for PC.
NorConnect is the tool you use to download, view and generate excel reports of your measurements or perform further analysis in our range of postprocessing and reporting software for building acoustic, environmental noise and sound power.
Type approved by PTD, LNE among many other National laboroatires. Please check downloads for details.
Below is a list of the most applicable standards the Nor145 is designed for.
Please contact your local distributor if you have any questions related to the standard or a standard not listed.
Selecting the different application is easy using the Application menu appearing after power on.
You may also create own favorite setups indicated as smaller icons in the startup picture.
Nor145 is designed to be the preferred tool for all types of environmental noise measurements.
Measurements with markers, audio recordings and event triggered pictures are easily made and synced to your project via the NorRemote app for your phone or tablet (android). The large 4.3” display gives you all the necessary information. Up to 60 measurement parameters may be logged simultaneously.
The advanced trigger system enables different trigger levels for Day, Evening or Night with event triggers to collect markers, audio recordings and pictures. The data can be displayed remotely in a web browser on any device, or by the NorRemote app. From the same remote device, you may change settings or simply check the status of your Nor145.
Nor145 is also optimised for use with Norsonic NorCloud, Norsonics’ cloud service for noise measurement, control and reporting, all easy connected over the internal 4G modem.
Features
General analyser (environmental) mode has a selection of different display views. Portrait and Landscape. All Portrait views can either be a single or dual type frame.
Available views in Environmental / General mode are:
Sound level meter display
FFT – Displays the FFT spectra
FFT (landscape) Displays the FFT spectra as landscape
Level vs frequency (L/f) display single view – portrait
Level vs frequency (L/f) display single view – landscape
Level vs time (L/t) display single view – portrait
Level vs time (L/t) display single view – landscape
A numerical table is associated with all the graphical views – just press the TAB button to toggle between graphical and numerical view. Works both with single and split screen.
Cumulative and Probability Distribution Function /PDF) – landscape view
Cumulative and Probability Distribution Function /PDF) – portrait view
Split view with FFT and 1/3 octave. The link cursor feature connects the cursor in FFT and 1/3 octave displays, making it easy to manoeuvre in the frequency domain
Dual view with L/t and L/f – split view
FFT – Displays the FFT spectra
FFT (landscape) Displays the FFT spectra as landscape
Graphical back erase in Pause mode. Move cursor to remove unwanted noise events and push continue to resume measurement.
Norsonic is known for its long-time tradition of creating the state-of-the art building acoustic analysers. The Nor145 sound level meter is no exception!
It can be used as a stand-alone single channel building acoustic analyser, or as a remotely controlled building acoustic frontend (wireless) for the advanced Nor850 multichannel software thru its hotspot feature.
The Nor145 offers a built-in signal generator for excitation of the source room level measurements or for excitation of the reverberation time measurements. The results are measured in accordance with the ISO 16283 Standard requirements. With additional background level measurement results, the Nor145 offers a on-board calculation of the final airborne sound insulation indices DnT and Rw in accordance with ISO 717. Of course, the similar possibility is available for impact sound insulation index Ln,w using a tapping machine such as the Nor277.
The reverberation time excitation may alternatively be based on an impulsive source. In any case, the Nor145 calculates the results for T15, T20 and T30 in parallel.
The Nor145 analyser is seamless integrated with the Nor850 software; either as a remote frontend to the Nor850 Measurement System, or for easy post processing in the Nor850 Reporting System.
Features
Building acoustics mode offers application tailored displays to secure a good work flow and control in your project.
Building Acoustics- Upper frame shows Receiving room level with background noise. Running L/t in lower frame to evaluate if unwanted noise appears in the measurement.
Building acoustic – rating view 1, calculated sound insulation together with the single number index.
Building acoustic – rating view 2, numerical table to present the single number index along with the spectrum adaption terms.
Building acoustic – rating view 3, all numerical results of the analysis plus a level overview graph.
Building acoustic – rating view 4, background noise vs. receiving room levels.
Building acoustic – rating view, The # softkey toggles through specific source positions.
Building acoustic – rating view, R’w rating.
Building acoustic – RT view.
Two sample pictures out of several views offered for RT measurements.
Building acoustic – manual adaption of RT time is possible.
STIPA mode is easy and intuitive to use. The display is composed of a fixed view with two frames. The upper shows each frequency band, while the lower shows the measured values including a bar graph.
STIPA – By selecting the lower part of the display and pressing the TBL button, the two modulation indexes for each of the STIPA-octaves will be displayed.
The Nor145 Analyser is designed to be expanded and upgradeable to give you a complete measurement tool for years to come. Norsonic’s retrofit policy ensures regular software updates with new features and new options. followed by a 3 years warranty.
includes A, C and Z weighting networks, 1/1 & 1/3 octave filters with measurement of Leq, LeqI, LE – sound exposure level, SPL, Lmax, Lmin with parallel detection of Fast, Slow and Impulse time constants, statistical calculation of Ln, and TMAX5. The measurement data is analysed as global values in addition to two parallel time profiles with an adjustable resolution ranging from 5 ms to 24 h and one moving time profile. Reverberation time in 1/1 octave bands based on impulse excitation. Advanced trigger facilities. Voice and text annotation.
Accessories included:
Microphone and preamplifier must be ordered separately. Choose between several alternatives. Standard alternative is Nor1209 preamplifier and Nor1239, ½” free field microphone.
Requires BA-Basic.
Consist of:
Requires BA-Basic.
The GPS is used for position identification, and support for exact time synchronisation. Time synchronisation is especially useful when several instruments are used for capturing the same noise event, such as blast monitoring.
With an external IP camera, you can make event triggered pictures. Pictures captured during a measurement is marked as events in the L/t graph and can be view on the Nor145, in NorCloud or in NorReview.
The GPS position is stored as a part of the measurement file. It may also be set to be a part of the file name.
This option is not available as retrofit and must therefore be ordered along with the instrument.
Order code: Nor145/01
This option gives access to NorCloud.
NorCloud subscriptions activated at: norcloud.norsonic.com.
Requires option ENV-Advanced.
FFT sampling rate is 48 kHz with more than 16000 lines. Upper frequency is 22 kHz. Dynamic zoom from 1 – 64. The FFT calculation and 1/3 octave spectrum works in parallel.
The upper frequency is extended to 44 kHz in ultrasound mode.
Split view with FFT and 1/3 octave. The link cursor feature connects the cursor in FFT and 1/3 octave displays, making it easy to manoeuvre in the frequency domain
A ¼” microphone is recommended to measure correctly due to the limitation in the frequency range of a standard ½” microphone.
Requires ENV-Advanced option.
Order code: Nor145/14.
Order code: Nor145/16
Note – Not available as retrofit, must be ordered together with the instrument.
Full remote programming support for the environmental mode. Ideal tool for system integrators requiring a sound level meter as a frontend to their application. Including support for Nosie Compass and Weather station. Requires ENV-Advanced.
The use of API option requires a purchase of Nor1056, DLA – Developer License Agreement. This grants 8 hours free support with direct access to API developers’ team
Ordercode:
Works with basic instrument.
Order code: Nor145/17.
STIPA mode is easy and intuitive to use. The display is composed of a fixed view with two frames. The upper shows each frequency band, while the lower shows the measured values including a bar graph.
STIPA – By selecting the lower part of the display and pressing the TBL button, the two modulation indexes for each of the STIPA-octaves will be displayed.
Nor145 conforms to the latest revision of the following National and International standard including amendments, all type 1 / class 1; IEC 61672, IEC 61260, DIN 45657, ANSI S1.4, ANSIS1.11, and ANSI S1.43. It also conforms to the obsolete sound level meter standards IEC 60651 and IEC 60804.
Simultaneous measurement of SPL, Leq, LeqI, LMax, LMin, LE, LEI, LPeak, Ln and Tmax5.
Time weighting functions: Fast, Slow and Impulse (Simultaneous).
Spectral weighting functions: A, C and Z – weighting (Simultaneous).
Frequency analysis: 1/1 and 1/3 octave real time filters from 0,4 Hz to 20 kHz.
Statistical calculations: 8 individual adjustable percentiles from L0,1% to L99,9%, The statistical calculations are performed in real time within each frequency band and for each profile period if period length is set longer than 2 minutes. Class width is 0,2 dB. Dynamic range is 130dB.
Overall measurement duration: 1 sec – 7 days. (If set to Repeat or Synchro mode a new measurement will be started automatically, with no time gap between each measurement).
Time profile A resolution: 5 ms – 24 hours including full frequency spectra. From 1 sec if profile B or Moving is enabled.
Time profile B and Moving resolution: 1 s – 24 hours. A, C and Z – no frequency spectra.
Back erase in Pause mode: 0-20 sec free delectable graphical back erase.
12 and 48 kHz sampling rate / 8 , 16 and 24 bits / 0-120 sec pre-trigger.
One range covering 120dB without any range adjustments.
Self noise measured with 1/2” microphone with a nominal sensitivity of 50mv/Pa: 17 dBA.
Maximum RMS level 137 dBA, Maximum Peak level 140 dB PeakC.
Built in noise generator with Sine, White, Pink and 1/1 and 1/3 octave band passed filtered noise.
Parallel calculation of T15, T20 and T30 in addition to Tmax for Noise excitation and EDT for impulse excitation.
Sampling rate: 48 kHz.
Frequency resolution: 1.46 Hz or 2.92 Hz (FFT size 8192 or 16384 lines).
Upper frequency: 22 kHz
Functions: Auto spectrum, linear averaging.
Acquisition rate: ~700 ms – no overlap.
Display: Dynamic display zoom 1 – to 64 in power-of-two steps.
Time windowing: Hanning
4,3″ colour display capacitive touch. Protected by an anti-smudge coated and scratch-proof glass.
Built in GPS
Support for external IP camera. With an external IP camera, you can make event triggered pictures. Pictures captured during a measurement is marked as events in the L/t graph and can be viewed on the Nor145, in NorCloud or NorReview.
Storage modes: Manual, Auto, Repeat and Synchro. Synchro synchronise the start of the next measurement to the next full hour.
Internal memory: 350 MB – not used for measurement storage.
Micro SD card: Supports XC and HC standard. No limitation in max. SD card size.
Data transfer via LAN and USB.
Optionally built in GPRS – 3G/UMTS – 4G/LTE and Wifi infrastructure and hotspot.
Internal antenna supports 3G/4G. External antennas with diversity may be connected. External antenna supports also GPRS connection.
Microphone input: One microphone input. Supports standard 7 pin Lemo preamplifiers including SysCheck, Microphone heating, TEDS and IEPE.
Polarization voltage: 0
Preamplifier voltage: ± 15V.
Comment microphone: Via 3,5 pin mini jack.
AC out, 100mV full scale on 15 pin I/O socket.
3 pin mini jack headphone socket for replay of voice notes, listen to microphone AC signal or replay of audio recordings. Comment microphone for voice notes is connected to same plug.
Signal generator on 15 pin I/O socket with Pink, White, Bandpass filtered, sine and impulse noise.
Rechargeable 7 Ah Li-Ion batteries with built in fuel gauge.
External power: 9 – 15Vdc 3-5Watt.
Typical battery lifetime: 8 hours.
Dimensions: 235 x 82 x 29 mm (ex. preamplifier and microphone LxWxH)
Weight : 535 g (including preamplifier and microphone)
Chinese fonts must be installed separately if needed.
Copy file to root folder on the SD card. See Installing Nor145 version above.
This service pack is required for Nor145 application 4.0.5410.
Copy file to root folder on the SD card. See Installing Nor145 version above.
Copy file to root folder on the SD card. See Installing Nor145 version above.
This service pack is required for Nor145 application 5.0.4210.
NOTE! You have to upgrade your NorConnect software to v. 5.0.240124 or newer.
Copy file to root folder on the SD card. See Installing Nor145 version above.
Contact distributor regarding price for V5.
NOTE:
Installing Nor145 version:
Copy Service pack and application package to the SD card.
If a new license is needed: Copy License.txt to the same SD card.
Insert the SD card in your Nor145 instrument and power the instrument.
Follow the instructions in the installation process.
Please note! Instruments sold in France, Austria, Germany, Spain and Switzerland is subjected to use pattern evaluated software only. Users in these countries are requested to contact their local Norsonic representative to get the current type approved version.
Achtung! In Deutschland, Österreich, Spanien und der Schweiz unterliegen Schallmessgeräte einer Bauartzulassung / Baumusterprüfung. Die Firmware des Messgerätes ist Bestandteil dieser Bauartzulassung. Führen Sie daher bitte selber kein Firmware-Update durch, sondern wenden sich bei Interesse / Fragen an Ihren lokalen Norsonic-Vertreter!
Attention ! Les instruments vendus en France, Suisse, Allemagne, Autriche et Espagne doivent être configurés exclusivement avec le logiciel homologué. Dans ces pays, les utilisateurs sont priés de contacter leur représentant local Norsonic pour obtenir la version actuelle approuvée.
Por favor, tenga en cuenta que los instrumentos vendidos en España, Austria, Alemania y Suiza deben usarse exclusivamente con el software evaluado en el examen de modelo. Se sugiere a los usuarios de estos países que contacten con los distribuidores locales para obtener la versión aprobada en la actualidad.
EC 60268-16 (Ed.5.0 2020): Sound system equipment – Part 16: Objective rating of speech intelligibility by speech transmission index.
The CIS-value is calculated from the STI-value as specified in: IEC 60849 (Ed. 2.0 1998-02) Sound systems for emergency purposes. (Withdrawn 2008).
The instrument measures STIPA as specified in Annex B of IEC286-16 by the direct method.
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