Delta Ohm HD2110L Integrating Sound Level Meter and Advanced Analyzer

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Delta Ohm

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Rp.88.872.160
Availability:
4 - 6 WEEKS
Product Code:
HD2110L
Brand:
Delta Ohm
Update Terakhir:
17 Aug 2023

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HD2110L is an handheld integrating sound level meter performing either spectral or statistical analysis. The instrument is designed to deliver maximum performance in the analysis of acoustic phenomena with particular attention to regulations on environmental noise and building acoustics. Attention has been paid to the possibility to adapt the instrument’s functionsto the legislation and to meet the needs of its users. It’s possible to integrate the sound level meter atany time with options to extend the applications; the firmware can be updated directly by the user using the supplied NoiseStudio software.HD2110L meets type 1 specifications according to IEC 61672-1 2002 and IEC 61672-1 ed. 2.0 of2013 and IEC 60651, IEC 60804 standards. Compliance with IEC 61672-1 has been verified byINRIM primary metrological Institute (ref. certificate no.37035-01C).The constant percentage bandwidth filters meet the specifications of IEC 61260 Class 0 and microphone meets IEC 61094-4.HD2110L is an integrating sound level meter suitable for the following applications:

  • Environmental noise levels evaluation,
  • Noise monitoring with noise events capture and analysis,
  • Spectral analysis in octave bands from 16Hz to 16kHz,
  • Complete statistical analysis with percentile levels calculation from L1 to L99
  • Measurement in working environments,
  • Selection of Personal Protective Equipment (methods SNR, HML and OBM),
  • Soundproofing and acoustic reclamation,
  • Production quality control,
  • Machine noise measurement,
  • Building and architectural acoustics (with “Reverberation time” option). 
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.

ORDERING CODES:
HD2110L.Kit1: includes, HD2110L sound level meter, MC21E prepolarized ½” condenser microphone (alternatively MC21P or MC22Pmicrophone polarized at 200 V) and HDSAV windscreen, HD2110PELpreamplifier (HD2110PL in combination with the microphonepolarized at 200 V MC21P or MC22P), HD2110USB cable (alternatively,on request, HD2110RS serial cable for RS232 connection), NoiseStudio software and carrying case, individual ISO17025 calibrationcertificate, according to IEC 61672, of the chain consisting of soundlevel meter, preamplifier and microphone. ISO17025 calibrationcertificate, according to IEC 61260, of the octave filters bank.

HD2110.O1: option “Third octave”: spectral analysis with double bank ofthird octave from 16 Hz to 20 kHz and from 14 Hz to 18 kHz accordingto IEC 61260. Evaluation of audibility of the spectral componentsby real-time comparison with the isophonic curves ISO 226:2003.ISO17025 Calibration certificate according to IEC 61260 of the bankfrom 20 Hz to 20 KHz included.

HD2110.O4: option “Reverberation Time”: reverberation timemeasurement both with steady source interruption and withimpulsive noise back integration method (Shroeder’s) according toISO 3382. Reverberation time measurement performed in octavebands from 125 Hz to 8 kHz, and third octave bands (option HD2110.O1) from 100 Hz to 10 kHz with sampling interval 1/32 s. Automaticcalculation of reverberation times EDT, T10, T20 and T30 on allbands, and decay profile analysis with the possibility to calculate thereverberation time over a chosen interval.

HD2110.O6: option “FFT” - constant bandwidth FFT analysis. This optionadds: Leq profile at 1/32 s intervals. Narrow band spectrum analysis (FFT)from 7Hz up to 22KHz with spectral resolution from 1.5Hz to 100Hz.

HD2110.O1/4: option “Microphone set for measurements up to 160dB”.- Microphone chain with ¼" microphone

HD2110.O1/4H: option “Microphone set for measurements up to180dB”.- Microphone chain with ¼" microphone

HD2110.OE: option “Microphone protection for outdoor measurements”replacement of the standard HD2110PEL preamplifier with the heatedversion HD2110PEWL. The heated preamplifier can be combined withHDWME outdoor microphone protection and is equipped with CTCdevice for electrical calibration and integrated 5m extension cable (otherlengths 10m, 20m and 50m on request).

HD2011.OMN: option “Monitor”: extension of datalogger functions forcombined use with HD2011NMT station. 


  • 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 (optionHD2110.O1) (opz. HD2110.O1),
  • Narrow band FFT real time spectral analysis from 7Hz up to 22KHz with variable resolutions from 1.5Hz a 100Hz. Short Leq profile acquisition with 1/32s period(opz. HD2110.O6),
  • Statistical analysis with probability distribution calculation in 0.5dB classes; calculation of all percentiles from L1 to L99,
  • parallel storgae of all multi-parametric time profiles, reports at programmable intervals and reports associated to specifi c noise events (automatically or manually identified)
  • 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 filters (with shifted bands)
  • 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 installation and reclamation
  • Production quality control
  • Measurement of machine noise, sound power measurement (sound pressure method)
  • Architectural acoustics and building acoustics measurements


  • Standards:
  • Class 1 Group X according to IEC 61672-1:2013 - Type approval according to IEC 61672-1:2002 (I.E.N. Type Approval Certificate No. 37035-01C)
  • Class 1 according to IEC 60651:2001 and IEC 60804:2000 - Class 1 according to IEC 61260:1995 and IEC 61260-1:2014
  • 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
  • ½” Microphones:
  • MC21E - ½” pre-polarized (0 V) free field condenser microphone. Frequency range 3.15Hz-20KHz. Compliant with IEC 61094-4 WS2F type. Compatible with HD2110PEL and HD2110PEWL preamplifiers.
  • MC21P - ½”, polarized (200 V) free field condenser microphone. Frequency range 3.5Hz-20KHz. Compliant with IEC 61094-4 WS2F type. Compatible only with HD2110PL preamplifier.
  • MC22E: ½” pre-polarized (0 V) diffuse field condenser microphone. Frequency range 3.15Hz-12.5KHz. Compliant with IEC 61094-4 WS2D type. Compatible with HD2110PEL preamplifiers.
  • MC22P: ½”, polarized (200 V) diffuse field condenser microphone. Frequency range 3.5Hz-12.5KHz. Compliant with IEC 61094-4 WS2D type. Compatible only with HD2110PL preamplifier
  • Dynamic range: 23 dBA ÷ 143 dB Peak
  • Linearity range: 110 dB
  • Acoustic parameters: Spl, Leq, LIeq, SEL, LEP,d, Lmax, Lmin, Lpk, Dose, Ln, SDev
  • Frequency Weighting: Simultaneous A, C, Z (only C and Z for Lpk), auxiliary weightings A, B, C, Z or U (User)
  • Temporal Weighting: Simultaneous FAST, SLOW, IMPULSE
  • Integration: From 1s to 99 hours with Back-Erase function
  • Spectrum Analysis:
  • Parallel real time filters complying with IEC 61260 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)
  • Audibility: Real-time comparison of 1/3 octave spectrum (option HD2110.O1) with equal loudness curves (ISO 226:2003)
  • 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
  • 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
  • Reverberation time: Reverberation time measurement (option HD2110.O4) using sound source interruption or back integration of impulse response according to ISO 3382.
  • 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).
  • Spectrum Data Logging: Programmable sampling from 0.5 s to 1 hour (MLT, MAX, or MIN modes) and parallel additional multi-spectrum sampling from 1s to 1h (Report mode)
  • Display:
  • Backlit graphic display 128 x 64
  • 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 0.5 dB, 1 dB or 2 dB classes
  • Graph of percentile levels from L1 to L99
  • Narrow band spectrum analysis (FFT) from 7Hz to 22 kHz (option HD2110.O6)
  • 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
  • Input/Output:
  • RS232 serial and USB interfaces
  • AC input and output (LINE)
  • External event identification trigger
  • DC output (Fast time constant)
  • PC programs:
  • Noise Studio 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 Directives 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.
  • NS4 - “Monitor” module. Acquisition in real time on PC. Synchronized audio recording. Remote monitoring and data capture. Connection via Modem. The program allows you to program measurements and calibrations with timers and to record audio with programmable event triggers. Management of HD2011NMT monitor networks
  • NS4S - Slave Monitor": Acoustic monitoring and PC remote control of HD2011NMT stations. HD2011NMT monitor network data display.
  • 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"
  • Operating conditions; Working temperature -10÷50 °C, 25÷90% RH (without condensation), 65÷108 kPa. Protection degree: IP64
  • Power supply: 4 alkaline or rechargeable NiMH type AA batteries or external 9÷12 Vdc 300 mA
  • Dimension and weight: 445 x 100 x 50 mm equipped with preamplifier, 740 g (including batteries)

  • HD2110L.Kit1
  • (1) HD2110L sound level meter class 1 and octave band analyzer from 16Hz to 16 kHz
  • (1) MC21E pre polarized condenser microphone ½”, Free field
  • (1) HD2110PEL preamplifier (HD2110PEWL with opt. HD2110.OE)
  • (1) HDSAV windscreen,
  • (1) HD2110USB cable (alternatively, on request, HD2110RS serial cable for RS232 connection),
  • (1) Noise Studio (*) basic software downloadable from Delta OHM website (see pg. 26 for data analysis software modules)
  • (1) Carrying case,
  • (1) ISO 17025 Calibration Certificate for sound level meter
  • (1)  ISO 17025 Calibration Certificate for octave bands filters.
  • HD2110L.ENV
  • (1) HD2110L.Kit1 Class 1 Integrating sound level meter kit
  • (1)  HD2110.01 “Third Octave” option
  • (1) HD2020 Class 1 sound calibrator
  • (1) CH20 Hardware key
  • (1) NS5 “Environmental Noise” software module

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