Sonometru clasa I de mare performanta

Analizor spectru acustic programabil
Model HD2110L
Sonometru integrat de Clasa 1 multiparametric cu functii de analize de spectru cu dataloger pentru analiza si inregistrare datelor spectrale.
Instrumentul este proiectat ca sonometru integrator de clasa 1; conform IEC 61672-1, 2002 (Certificate I.E.N. No. 37035-01C), IEC 60651, IEC 60804; conform IEC 61260 pentru clasa 1 octav si conform IEC 61094-4 pentru microfonul

Caracteristici generale
Evaluare si analiza spectale in benzile octave in timp real de la 16Hz pana la 16KHz
Evaluarea si analiza spectrale de frecventa in benzi de octava si 1/3-octava cu ajutorul bi-filtru de la 16Hz la 20KHz si alternativa optionala de la 14Hz la 18KHz (optional model HD2110.O1)
Analiza spectrala in banda ingusta FFT; in timp real de la 7Hz la 22KHz cu rezolutie variabila de la 1.5Hz la 100Hz
Analiza statistica cu probabilitate de calculul distributie in clasele 0.5dB; calcul percentilele de la L1 la L99
Programare, inregistrare si stocare paralela datelor; profil de timp; evenimente de zgomot; rapoarte la intervale pre-determinate
Masurare reverberatie timpului cu inrerupere constanta a zgomotului sau cu integrare raspunsul impulsului (optional HD2110.O4)
Analiza semnalului in timp si a parametrilor de banda larga cu inregistrare
Documentarea masuratorilor prin inregistrare a sunetului in vederea redarii
Microfon directional permite efectuarea de comentarii vocale ce pot fi, astfel, atasate la masuratori pentru o mai usoara documentare, iar diferitele scheme de culori de prezentare a ecranului permit vizualizarea cu usurinta a informatiilor afisate, atat in soare puternic cat si pe timp de noapte.

Aplicatii
Monitorizare analizasi inregistrare zgomotul sau evenimente audio
Masurare nivel de zgomot indiferent de natura temporala a sunetului
Evaluare of tonuri de zgomot chiar daca se afla la frecvanta intre 2 benzi standard de 1/3-octava
Evaluare audibilitate componentele spectrale si comparatia in timp real cu curbele de intensitate sonora egala conform ISO226
Selectia protectiei auditive, masurarea zgomotului la locul de munca, ponderare in frecventa care sa simuleze urechea umana, selectie echipamente de protectie personalul conform regulamnetele SNR, HML si OBM
Evaluarea izolare fonica
Controlul calitatii productiei

Avantaje
- Pogram softul Noise Studio analizeaza si masoara toti parametri simultan
- domeniu dinamic de la 23 dBA la 143 dB Peak
- Interfata analogice Input/Output si digitale USB, RS232 pentru conectare la PC sau la alte dispozitive, datele pot fi stocate arhivate si prelucrate. De asemenea, sonometru HD2110L poate fi operat si controlat de la distanta prin conectarela un modem
- Tastatura tactila (touchscreen)
- Display mare cu iluminare
- Alimentare cu 4 baterii alkaline NiMH/AA reincarcabile sau sursa 9÷12Vdc 300mA
- Stocare de date pe cartele de memorie standard plug-in MMC sau SD cardsde 2 GB
- Citire direct pe PC a memoriei extinse (cardurilor SD, SDHC, stick USB)

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Integrating Sound Level Meter
Model HD 2110L

The HD2110L is a precision integrating portable sound level meter, with multiparametric data logging capability, providing both spectral and statistical analysis.
The instrument has been designed in order to offer high-performance analysis of acoustic phenomena, with particular regard to legislation on environmental noise.
Attention has been paid to the possibility to update the instrument in order to comply with the technical standards evolution.
The HD2110L can be integrated with additional options to extend its application range when required; the firmware can be updated directly by the user by means of the Noise Studio program provided with the instrument

- Class 1 sound level meter according to IEC 61672-1, 2002 (Type Approval Certificate I.E.N. No. 37035-01C), IEC 60651 and IEC 60804
- Class 1 octave and third octave filters according to IEC 61260
- Microphone in compliance with IEC 61094-4

Main Features
- real time spectral analysis in octave bands from 16Hz up to 16KHz
- real time spectral analysis in third octave bands with a double bank of filters: from 16Hz up to 20KHz and alternatively from 14Hz up to 18KHz (option HD2110.O1)
- narrow band FFT real time spectral analysis from 7Hz up to 22KHz with variable resolutions from 1.5Hz a 100Hz. Short Leq profi le acquisition with 1/32s period (option HD2110.O6)
- statistical analysis with probability distribution calculation in 0.5dB classes; calculation of all percentiles from L1 to L99
- parallel storage of all multi-parametric time profiles, reports at programmable intervals and reports associated to specific noise events (automatically or manually identifi ed)
- reverberation time measurement with steady noise interruption or with back integration of impulse response (option HD2110.O4)

Applications
- Noise monitoring with sound event capture and analysis function
- Environmental noise measurement
- Assessment of noise tones even if they are at a frequency located between two standard third octave band fi lters (with shifted bands filters)
- Assessment of audibility of spectral components through real time comparison with equal loudness curves (ISO226)
- Evaluation of noise exposition in workplaces, and selection of personal protective equipment (SNR, HML and OBM methods)
- Sound insulation and reclamation
- Production quality control
- Measurement of machine noise, sound power measurements (sound pressure method)
- Architectural acoustics and building acoustics measurements

Inputs and outputs
- LINE unweighted input/output (Ø 3.5 mm jack)
- DC output: A-weighed sound level with FAST time constant, updated 8 times per second
- TRIGGER input/output (Ø 3.5 mm jack)
- Standard RS232C serial port in compliance with EIA/TIA574. Baud Rate 300 to 115200 baud
- USB 1.1 serial port
- External power supply 9÷12Vdc (Ø 5.5 mm jack)

Functionality description
Acquisition
• Possibility to log time profi les of 6 simultaneous parameters freely selecting time or frequency weightings.
• Possibility to store the multi-parameter sound level analysis for more than 46 hours. Different time recordings can be recalled from internal memory and displayed and replayed using “Replay” function.
• In addition to sound level profi les, it’s possible also to log at programmable intervals of 1s to 1h, report sequences with dedicated parameters, average spectra and full statistical analysis.
A versatile trigger function allows to identify sound events and store results with 5 dedicated parameters, average spectra and statistical analysis.

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Date tehnice :: Technical specifications

Standarde Standards Class 1 group X according to IEC 61672:2002 and class 1 according to IEC 60651:2001 and IEC 60804:2000
Class 1 according to IEC 61260:1995
Type 1 according to ANSI S1.4-1983 and S1.43-1997
Class 1-D, order 3, Extended range according to ANSI S1.11-1986
Microfoane de ½ inch ½ inch Microphones ✔ MC21E: ½” pre-polarized (0V) free field condenser microphone. Frequency range 3.15Hz-20KHz. Compliant with IEC61094-4 WS2F type. Compatible with HD2110PEL and HD2110PEWL preamplifiers.
✔ MC21P: ½”, polarized (200V) free field condenser microphone. Frequency range 3.5Hz-20KHz. Compliant with IEC61094-4 WS2F type. Compatible only with HD2110PL preamplifier.
✔ MC22E: ½” pre-polarized (0V) diffuse field condenser microphone. Frequency range 3.15Hz-12.5KHz. Compliant with IEC61094-4 WS2D type. Compatible with HD2110PEL preamplifiers.
✔ MC22P: ½”, polarized (200V) diffuse field condenser microphone. Frequency range 3.5Hz-12.5KHz. Compliant with IEC61094-4 WS2D type. Compatible only with HD2110PL preamplifier.
Domeniu dinamic Dynamic range 23 dBA ÷ 143 dB Peak
Domeniu liniaritate Linearity range 110 dB
Parametrii acustici Acoustic Parameters Spl, Leq, LIeq SEL, LEP,d, Lmax, Lmin, Lpk, Dose, Ln
Ponderea in frecventa Frequency Weighting Simultaneous A, C, Z (only C and Z for Lpk)
Ponderea temporară Temporal Weighting Simultaneous FAST, SLOW, IMPULSE
Integrare Integration From 1s to 99 hours with Back-Erase function
Analiza spectrului Spectrum Analysis Parallel real time filters complying with IEC61260 class 1 specifications.
✔ 1/1 octave bands from 16 Hz to 16 kHz
✔ 1/3 octave bands double digital filters (option HD2110.O1) from 16 Hz to 20 kHz and from 14 Hz to 18 KHz (shifted center frequency)
✔ FFT from 7 Hz to 22 kHz with variable resolutions from 1.5 Hz to 100 Hz (option HD2110.O6)
Modes: average spectrum (AVR), multi-spectrum (MLT), maximum (MAX), and minimum (MIN).
Time averaging: Linear, Exponential (Fast or Slow)
Spectral analysis can be A or C weighted or unweighted (LIN)
Audibilitate Audibility Real-time comparison of 1/3 octave spectrum (option HD2110.O1) with equal loudness curves (ISO 226:2003)
Analize statice Statistical Analysis Probability distribution and percentile level calculation from L1 to L99
✔ Parameters: LFp, Leq, Lpk, A, C or Z weighted (only C or Z for Lpk)
✔ Sampling frequency: 8 samples/second
✔ Classification: 0.5 dB classes
Analiza evenimentele Event Analysis ✔ Calculation of 5 freely programmable event parameters
✔ Calculation of octave and third octave (option HD2110.O1) band average spectra
✔ Calculation of statistical levels from L1 to L99
✔ Event identification trigger with programmable threshold and duration filter
✔ External and manual trigger
Timpul de reverberatie Reverberation Time Reverberation time measurement (option HD2110.O4) using sound source interruption or back integration of impulse response
logare datele de profil Profile Data Logging 1 user defined parameter profile with programmable sampling from 1/8 s to 1 hour, 5 profiles at 2 samples/sec, 5 additional user defined parameters from 1s to 1h (Report mode).
logare datele de spectru Spectrum Data Logging Programmable sampling from 0.5s to 1 hour (MLT, MAX, or MIN modes) and parallel additional multi-spectrum sampling from 1s to 1h (Report mode)
Display Display Backlit graphic display 128x64
✔ 5 numerical parameters
✔ Profile of a selectable parameter with sampling time from 1/8 s to 1 hour
✔ Octave band spectrum from 16 Hz to 16 kHz
✔ Third octave band spectrum from 16 Hz to 20 kHz or 14 Hz to 18 kHz (option HD2110.O1)
✔ Graph of probability distribution in 0.5dB, 1dB or 2dB classes
✔ Graph of percentile levels from L1 to L99
✔ Narrow band spectrum analysis (FFT) from 7Hz to 22 kHz (option HD2110.O6)
Memorie Memory Internal, equal to 8 MB (1 profile for 72 hours or over 46 recording days of 5 parameters + spectra per minute)External, via the HD2010MC memory card interface, using MMC or SD cards up to 2 GB
Intrari/Iesiri Input/Output ✔ RS232 serial and USB interfaces
✔ AC input and output (LINE)
✔ External event identification trigger
✔ DC output (Fast time constant)
Programe PC Programs Noise Studio (supplied with the instrument): PC interface for data download, setup and instrument management. Licensed software modules to be enabled by hardware key.
✔ NS1“Workers protection” module. Analysis of noise and vibrations in the workplaces according to ISO 9612/2011, UNI 9432/2011 and European Direc-tives 2003/10/CE and 2002/44/CE.
✔ NS2A“Acoustic pollution” module. Analysis of environmental noise. Analysis of the noise climate and assessment of noise from road, rail and airport according to the law. Some of the functions need option “Third octaves”.
✔ NS3“Acoustic Insulation” module. Evaluation of airborne sound insulation, impact noise and sound absorption; buildings insulation classification (UNI 11367). Some of the calculation require option “Third octaves” and option “Reverberation time” installed in the sound level meter. Calculation according to ISO140, ISO717 and ISO354.
✔ NS5”Environmental Noise” module: environmental noise analysis. Noise sources identification with threshold conditions. Tonality and impulsiveness evaluation. Some of the calculations require option "third octaves".
✔ NS4 “Monitor” module. Acquisition in real time on PC. Synchronized audio recording. Remote monitoring and data capture. Connection via Modem
Conditii de operare Operating conditions Working temperature -10÷50°C, 25÷90%RH (without condensation), 65÷108kPa.
Protection degree: IP64Power supply4 alkaline or rechargeable NiMH type AA batteries or external 9÷12Vdc 300mA
Dimensiune Dimensions 445x100x50 mm equipped with preamplifier,
Greutate Weight 740 g (including batteries)