HD 2010Integrating Sound Level Meter - Portable Analyzer, Merk : DeltaOhm
Keterangan
Sound Level Meter alat untuk mengukur kebisingan secara Area
Technical characteristics HD2010 and HD2010RE
Standards :
Class 1 group X according to IEC 61672: 2002 and class 1 according to IEC 60651: 2001 and IEC 60804: 2000
Class 0 according to IEC 61260: 1995
Type 1 or 2 according to ANSI S1.4-1983 and S1.43-1997
Class 1-D, order 3, Extended range according to ANSI S1.11-1986
½ inch Microphones :
ü MK221 condenser microphone prepolarized ( 200V) , for free eld, high stability, type WS2F according to IEC 61094-4.
ü MK223 condenser microphone with coated membrane, polarized ( 200V) , for free eld, high stability, type WS2F according to IEC 61094-4 ( combined with the HDWME950 weatherproof unit) .
ü MK231 condenser microphone, polarized ( 200V) , for diffuse eld, high stability, type WS2D according to IEC 61094-4.
Dynamic range : 21 dBA ÷ 143 dB Peak
Linear Field : 80 dB ( 110 dB for the HD2010RE version)
Acoustic Parameters : Spl, Leq, SEL, LEP, d, Lmax, Lmin, Lpk, Dose, Ln
Frequency Weighting : Simultaneous A, C, Z ( only C and Z for Lpk)
Temporal Weighting : Simultaneous FAST, SLOW, IMPULSE
Integration : From 1s to 99 hours with Back-Erase function
Spectrum Analysis :
Parallel lters in real time complying with class 1 speci cations according to IEC61260
ü Octave bands from 16 Hz to 16 kHz
â Third Octaveâ option
ü Third octave bands from 16 Hz to 20 kHz
Average spectrum ( AVR) mode
Statistical Analysis :
It displays up to 3 percentile levels for, L1 to L99
â Advanced Analyzerâ option
Probability distribution and percentile level calculation from L1 to L99
Parameter: A, C or Z weighted, LFp, Leq, Lpk ( only C or Z for Lpk)
Sampling frequency: 8 samples/ second
Classi cation: Classes of 0.5 dB
Analysis of Events :
â Advanced Analyzerâ option
Calculation of 5 freely programmable event parameters
Average spectrum calculation by octave and third octave bands
Calculation of statistical levels from L1 to L99
Event identi cation trigger with programmable threshold and duration lter
External and manual trigger.
Reverberation Time ( optional) :
The reverberation time measurement option requires the â Third Octaveâ option
Reverberation time measurement using sound source interruption or impulse response integration
Pro le Data Logging : 1 pro le with programmable sampling from 1/ 8 s to 1 hour and 3 pro les with 2 samples/ second
Spectrum Data Logging : Programmable sampling from 1 second to 1 hour ( AVR mode)
Display :
Backlit graphic display 128x64
3 parameters in numeric format Pro le LAFp with 8 samples/ second
Octave band spectrum from 16 Hz to 16 kHz
â Third Octaveâ option
Third octave band spectrum from 16 Hz to 20 kHz
â Advanced Analyzerâ option
Graph probability distribution of sound level
Graph of percentile levels from L1 to L99
Memory :
Internal, equal to 4 MB ( 4 pro les for 23 hours or over 23 days recording 3 parameters + spectra per minute) . Expandable to 8 MB
External, via the HD2110MC memory card interface, using MMC or SD cards up to 2 GB
Input/ Output :
RS232 serial and USB interfaces
AC output ( LINE)
DC output
PC Programs :
ü DeltaLog5: PC interface for download, setup and sound level meter management ( supplied with the instrument)
ü DL5 Environment : For analyses according to the Decree of 16.03.98
ü DL5 Monitor : For real time acquisition in the PC mass storage, scheduler, audio recording
ü DL5 Building: Room acoustics evaluation in agreement with D.P.C.M. of 05.12.97 ( it requires the â Third Octaveâ and â Reverberation Timeâ option)
ü DL5 Noise Studio: Analysis modular programü
â Worker protectionâ : Analysis module according to Decree 195/ 2006ü
â Railway Traf câ : Analysis module of train noise pro les according to the Decree of 16/ 03/ 1998
Operating conditions : Working temperature -10÷ 50° C, 25÷ 90% RH ( without condensation) , 65÷ 108kPa. Protection degree: IP64
Power : 4 alkaline or rechargeable NiMH type AA batteries or external 9÷ 12Vdc 300mA
Dimension and weight : 445x100x50 mm equipped with preampli er, 740 g ( with batteries)