Sonometru clasa II pentru masurarea presiunii acustice si nivelul sonor

Analizor spectru acustic programabil Clasa 2
Model HD2010UC
• Sonometrul HD2010UC este un aparat portabil de ultima generatie in domeniu foloseşte ultima tehnologie digitală pentru a reda standarde nemai întâlnite într-un aparat atât de compact
• Proiectat pentru a asigura măsurători ale nivelului de zgomot simultane, rapide şi uşoare pentru realizarea de analize statistice sau spectrale ale nivelului sonor din diverse domenii de activitate
• include parametrii statistici de măsurare: Spl, Leq, SEL, LEP,d, Lmax, Lmin, Lpk, Dose, LXY, LXYmax, LXYmin, LXeq, LXpeak, Lavg, LC-LA, LXIeq, LTM3, LTM5, LAE, 5x si Ln%, permiţând astfel măsurători multiple de mediu.
Analiza spectrala se realizeaza simultan si in timp real, cu ajutorul benzilor de octave (optional); valorile procentuale pot fi modificate astfel încât să îndeplinească anumite cerinţe
Unde X este frecvenţa A, C sau Z şi Y este ponderea cu timpul Fast (F), Slow (S) sau Impulse (I).
Determina nivelul semnalului sonor de doua ori pe secunda si il integreaza liniar timp de pana la 99 de ore.
• Dispune de un domeniu dinamic de 80 dB
• Dispune de o aplicatie optionala pentru masurarea timpul de reverberatie (optional)
• Toate datele pot fi inregistrate automat in memoria aparatului, impreuna cu un numar de inregistrare, data si ora.
Cand capacitatea de memorare furnizata nu este suficienta (aceasta se intampla in cazul inregistrarilor de durata), se poate activa functia “monitor” care va permite trimiterea unei parti dintre datele masurate catre PC, prin interfata USB, pentru stocare in memoria calculatorului; datele pot fi stocate în format Microsoft Excel si pot fi descarcate cu ajutorul software inclus.
• Aparatul este dotat cu un program de diagnosticare pentru verificarea functionalitatii acestuia
• Calibrarea sonometrului se poate face cu ajutorul calibratorului acustic (optional)
• Domenii de aplicatie: nivelul de zgomot la locurile de munca, poluarea acustica si evaluarea zgomotului din mediu, identificarea surselor de zgomot, evaluarea emisiilor sonore ale masinilor si echipamentelor, evaluarea izolarii fonice.
• Sonometrul HD2010UC corespunde urmatoarelor standarde: IEC 61672-1, IEC 60651, IEC 60804, IEC 61620 (filtrele de banda), IEC 61094-4 (microfonul), IEC 60942 (calibratorul)

Caracteristici generale
Microfon UC52 – clasa 2, condensator prepolarizat pentru masurari in camp liber, stabilitate inalta
Analiza statistica nivel sunet
Constanta de timp A/FAST; 8probe/sec;
Domeniul de masura
30÷140dBA pe sub-domenii de 80dB
Precizie de masurare ± 1.5 dB
Canale de masura 3 RMS (A,C,Z) si 2 pentru mas. nivel peak (C, Z)
Functie Back-Erase Timp de integrare programabil de la 1 s la 99 ore
Display / Afisaj Grafic: 128 x 64 pixeli / Spectru octava redat in forma grafica pe ecran (optional)
Format numeric
Reda 3 parametrii selectati dupa preferinta
Calibrare Acustica
Soft interfata PC optional RS232 sau UBS, pt. descarcarea si prelucrarea datelor
Clasa de protectieIP64
Alimentare Baterii: 4x1,5V AA .Functionare: ~10 ore operare continua
Dimensiuni 445 x 100 x 50mm incluzand preamplificatorul
Greutate 740g, cu baterii

Conditii de operare
Pachetul include
• Sonometru integrator HD2010UC cu functie de stocare a datelor, domeniu de masura 30-140 dB, domeniu linear 80 dB
• 4MB memorie
• preamplificator
• microfon UC52
• burete-ecran impotriva vantului,
• software pentru PC
• cablu extensie 5m pentru microfon,
• cablu conectare PC (USB)
• geanta de transport
• raport de calibrare conform ISO9001 pentru sonometru
• manual de instructiuni

Conformitate & Certificate
IEC 61672-1, IEC 60651, IEC 60804, IEC 61620 (filtrele de banda), IEC 61094-4 (microfonul), IEC 60942 (calibratorul)

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Class 2 Integrating Sound Level Meter
Model HD2010UC

DeltaOhm HD2010UC is an integrating portable sound level meter performing statistical analysis.
The instrument has been designed combining maximum low cost and simplicity of use.
Attention has been paid to the possibility of adjusting the instrument and adding options at any time to the HD2010UC so to extend its applications.
The user can upgrade the fi rmware directly by means of the Noise Studio programme supplied with the instrument. HD2010UC is equipped with a backlit graphic display.

Main Features
- Class 1 or 2 sound level meter according to IEC 61672-1 dated 2002 (Type Approval Certifi cate I.N.RI.M. n. 07-0124-02), IEC 60651 and IEC 60804.
- Assessment of the environmental noise level
- Optional “advanced data logging”
- Optional capture and analysis of sound events
- Statistical analysis with the calculation of 3 percentile level and optional full statistical analysis
- Noise monitoring (“Advanced data logger” option required)
- Identifi cation of impulsive noises
- Measurements in workplaces
- Selection of personal protective equipment (SNR and HML methods)
- Production quality control
- Measurement of machine noise, sound power measurements.

General Characteristics
With HD2010UC sound level meter it is possible to measure the sound pressure level by programming 3 parameters with the possibility of freely selecting the frequency weightings and the time constants.
It is possible to measure parameters such as Leq, SEL, maximum and minimum sound levels with integration times from 1 second to 99 hours. If an undesired sound event produces an overload indication, or simply alters the result of integration, it is always possible to exclude it by using the versatile Back-Erase function.
The measured sound levels can be recorded in the large non-volatile memory in order to be transferred to a PC using the supplied Noise Studio software package.
As a statistical analyzer (option HD2010.O2 “advanced data-logger” compulsory) the HD2010UC samples the sound signal 8 times per second with A-frequency weighting and FAST time constant, and analyzes it statistically in 0.5 dB classes.
It is possible to display up to 3 percentile levels between L1 and L99. By using “Advanced Data Logger” it is possible to choose whether sampling LFp, Leq or Lpk with A, C or Z weightings (only C and Z for Lpk).
For further analysis, the LINE un-weighted output allows recording the sound sample either on tape or directly on a PC equipped with a data acquisition card.
The high speed of the USB interface combined with the fl exibility of the RS232 interface allows fast data transfers from the sound level meter to the PC mass storage, but can also control a modem or printer. For example, in case of long term measurements, it’s possible to activate the “Monitor” function. This function allows to send the displayed data to a PC via the RS232 serial interface, to be directly stored on the PC mass storage.
The sound level meter can be completely controlled by a PC through the multistandard serial interface (RS232 and USB) by using a special communication protocol.
Through the RS232 interface, the sound level meter can also be connected to a PC via modem.
The calibration can be performed either by using the acoustic calibrator (class 1 or class 2 according to the sound level meter version) or the built-in reference generator.
The electric calibration uses a special preamplifi er and checks the sensitivity of the measuring channel, microphone included. A protected area in the non-volatile memory, reserved to factory calibrations, is used as a reference for the user’s calibrations, so to allow keeping instrument drifts under control and to prevent the instrument from losing of calibrations.
The control of the complete sound level meter functionality can be made directly by the user, on site, thanks to a diagnostic programme.
The HD2010UC sound level meter can perform measurements according to the law with respect to workers’ protection from exposure to noise (D.Lgs.n.81/2008, UNI 9432/2011, ISO 9612/2011).
The selection of the personal protective equipment (PPE) can be carried out through comparison of the A and C weighted equivalent sound pressure levels that can be measured simultaneously (SNR method).

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Date tehnice :: Technical specifications

Standarde Standards Class 1 or 2 X group according to IEC 61672:2002 and class 1 or 2 according to IEC 60651:2001 and IEC 60804:2000type 1 or 2 according to ANSI S1.4-1983 and S1.43-1997
Microfoane de ½ inch ½” Microphone UC52 free field, pre-polarized, condenser type
Domeniu dinamic Dynamic range 30 dBA ÷ 143 dB Peak
Domeniu liniaritate Linearity range 80 dB
Parametrii acustici Acoustic Parameters Spl, Leq, LeqI, SEL, LEP,d, Lmax, Lmin, Lpk, Dose, Ln
Ponderea in frecventa Frequency Weightings simultaneous A, C, Z (only C and Z for Lpk)
Ponderea temporară Time Weightings simultaneous FAST, SLOW, IMPULSE
Integrare Integration from 1s to 99 hours with erasing function (Back-Erase)
Analize statice Statistical Analysis It displays up to 3 percentile levels, from L1 to L99
Probability distribution and percentile level calculation from L1 to L99 (HD2010.O2 “Advanced Data Logger” option required)
✔ Parameter: LFp, Leq, Lpk weighted A, C or Z (only C or Z for Lpk)
✔ Sampling frequency: 8 samples/second
✔ Classification: Classes of 0.5 dB
Analiza evenimentele Analysis of Events
(Option HD2010.O2: “Advanced Data Logger”)
✔ Calculation of 5 freely-programmable event parameters
✔ Calculation of statistical levels from L1 to L99
✔ Event identification trigger with programmable threshold and duration filter
✔ Manual trigger
Dataloger de profil Profile Data Logging
(Option HD2010.O2: “Advanced Data Logger”)
Parallel profiles, reports, events acquisition
1 profile with sampling 1/8 s + 3 customizable parameters profiles with 2 samples/second + 5 customizable parameters profiles with 1 s to 1 hour sampling period (Reports mode)
Display Display Graphic LCD backlit display 128x64
✔ 3 parameters in numeric format
✔ Profile LAFp with 8 samples/second (Option HD2010.O2: “Advanced Data Logger”)
✔ Graph of sound level probability distribution (Option HD2010.O2: “Advanced Data Logger”)
✔ Graph of percentile levels from L1 to L99 (Option HD2010.O2: “Advanced Data Logger”)
memorie Memory ✔ 4 MB internal, memory for more than 500 records . If HD2010.O2 option installed: 1 profile for 23 hours or over 80 recording days of 3 parameters per minute)
✔ Expandable to 8 MB with option HD2010.O0 “Memory module”.
✔ External, via the HD2010MC memory card interface, using SD memory cards up to 2 GB.
Intrai/Iesiri Input/Output ✔ RS232 serial and USB interfaces
✔ AC output (LINE)
✔ DC output
Programe PC Programs Noise Studio (provided with the instrument): PC interface for data download, set up and instrument management.
Licensed software modules to be enabled by hardware key.
✔ NS1“Workers protection” module. Analysis of noise and vibrations in the workplace according to UNI 9432/2011 and ISO 9612/2011.
✔ NS2A “Acoustic pollution” module. Analysis of environmental noise. Analysis of the noise climate and assessment of noise from roads, railways and airports accor-ding to European Directive on environmental noise. Requires option HD2010.O2: “Advanced Data Logger”.
✔ NS4 “Monitor” module. PC based real time acquisition. Synchronized audio recording. Remote monitoring and data capture. Remote connection also via Modem.
The program allows programming of measurements and calibrations with timer and performs events audio recording with programmable triggers levels.
Conditii de operare Operating conditions ✔ Working temperature -10÷50°C, 25÷90%RH (without condensation), 65÷108kPa.
Clasa de protectie Protection degree IP64
Alimentare Power Supply 4 alkaline or rechargeable NiMH type AA batteries or external 9÷12Vdc 300mA
Dimensiune Dimension 445x100x50 mm equipped with preamplifier
Greutate Weight 740 g (with batteries)

Accesorii optionale
• banda de octava al trelea: banda spectrala octava pentru domeniu 16 Hz la 20 kHz cu raport de calibrare conform ISO 9001
• memorie aditionala de 4 MB Class
• microfon tip WS2D clasa I pentru camp for difuzie conform IEC 61094- 4:1995.
• microfon tip WS2F clasa I pentru camp liber (mas. in exterior) conform IEC 61094- 4:1995.
• Calibrator conform EC90942:1988 pentru:
» microfoane cu cavatitati der 1” si ½” conform IEC61094
» nivel sonor de 94dB/114dB
• verificarea metrologica

 

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