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Class 1 Dual-Channel Noise Dosimeter

SV 102A+

The SV 102A+ is a Class 1 dual-channel noise dosimeter, integrating two distinct functionalities: dual-channel noise measurement and Class 1 frequency range capability. The dual-channel feature allows for simultaneous noise exposure assessment on both sides of the head or in configurations such as underneath a headset and on a shoulder, enhancing the accuracy of noise exposure data in diverse working environments. This capability is particularly beneficial for assessing asymmetric noise exposure, where noise may predominantly come from one direction.

Class 1 accuracy of the SV 102A+ signifies its ability to measure a full frequency range from 20 Hz to 20 kHz. This is a critical feature for workplaces with high-frequency noise sources, as standard Class 2 dosimeters typically measure up to only 8 kHz. The wider frequency range makes sure that the instrument meets the requirements of ISO 9612 for Class 1 instruments, which is important for accurate noise assessment in places where there is a lot of high-frequency noise.

The SV 102A+ also features audio recording, facilitating unattended noise measurements. This capability allows for the playback of recorded noise to identify and verify noise sources, a requirement under ISO 9612 for distinguishing work-related noise from non-work-related noise sources. Additionally, the dosimeter’s 1/1 octave analysis feature enables the precise selection of hearing protectors based on the specific noise environment, further enhancing workplace safety.

MIRE Measurement with SV 102A+

MIRE (Microphone in Real Ear) measurement is a specialized technique used with the SV 102A+ for assessing noise exposure from sources in close proximity to the ear, such as in call centers, pilot helmets, and headsets. This method involves placing a microphone at the entrance of the ear canal to accurately capture the noise exposure experienced by the individual. The SV 102A+ supports 1/3 octave analysis for MIRE measurements, a requirement to meet ISO 11904-1 standards for recalculating noise doses based on actual noise levels inside the ear canal.

For MIRE measurements, the SV 102A+ utilizes a high sampling rate of 48 kHz, consistent with Class 1 instrumentation standards. This high sampling rate is essential for capturing the full spectrum of noise frequencies encountered in close-ear environments, ensuring accurate and reliable noise exposure assessments.

The combination of dual-channel measurement, Class 1 frequency range capability, and MIRE measurement technique positions the SV 102A+ as a preferred instrument for noise exposure assessment in military, aerospace, and call center applications worldwide. Its comprehensive features ensure that it meets the stringent requirements for noise measurement and analysis in these specialized fields.


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Catalogue

SV102A+ Dual Channel Dosimeter Specifications

A comprehensive overview of the SV102A+ Dual Channel Dosimeter, detailing its full specifications and features. Designed for occupational noise measurement, the SV102A+ meets international standards including ISO, OSHA, and NIOSH, ensuring accurate and efficient noise exposure assessment in various workplace environments. With its dual-channel capability, it allows for simultaneous noise measurements from multiple directions. The inclusion of the Microphone in Real Ear (MIRE) measurement technique offers precise noise exposure analysis directly at the ear, suitable for complex noise environments such as aviation and call centers. This catalog section is an essential resource for understanding the capabilities, features, and technical specifications of the SV102A+ Dual Channel Dosimeter
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Main

Features

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MIRE Measurement Technique

Microphone in Real Ear Measurements

The SV 102A+ employs the ISO 11904-1 MIRE (Microphone in Real Ear) measurement technique, utilizing a specialized microphone probe, the SV 25S, positioned at the entrance of the ear canal. This method is essential for conducting one-third octave band analysis directly within the ear, offering precise noise exposure assessments in environments where traditional dosimetry is ineffective, such as call centers with headphone-based audio. MIRE measurement is particularly suited for analyzing noise exposure from close-proximity sources, requiring the SV 25S MIRE microphone and 1/3 octave analysis capability.
mire microphone
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Class 1 Accuracy

Integrating Noise Dosimeter and Class 1 Sound Level Meter

The SV 102A+ adheres to the Class 1 specifications of IEC 61672, ensuring high-precision measurements across a broad frequency range from 20 Hz to 20 kHz. This capability is crucial for accurate noise assessment in environments with high-frequency noise sources or in conditions of very low temperatures (down to -10°C). The device's 48 kHz sampling rate is in line with ISO 9612 recommendations for capturing the full spectrum of workplace noise, thereby providing reliable data for effective noise management and hearing protection.
class 1 accuracy
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Dual-Channel Input

Simultaneous Measurements with Two Microphones

Featuring two input channels, the SV 102A+ allows for the concurrent use of dual microphones. This dual-channel approach facilitates comprehensive noise exposure evaluation by enabling measurements on both sides of the head or a combination of one microphone placed on the shoulder and another inside the ear canal. Such configurations are invaluable for assessing the attenuation efficiency of hearing protectors or the acoustic performance of headsets, including those used in military aviation. This feature underscores the versatility of the SV 102A+ in adapting to various measurement scenarios, enhancing its utility in occupational noise assessment.
dual channel dosimeter
mire microphone

MIRE Measurement Technique

Microphone in Real Ear Measurements

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class 1 accuracy

Class 1 Accuracy

Integrating Noise Dosimeter and Class 1 Sound Level Meter

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dual channel dosimeter

Dual-Channel Input

Simultaneous Measurements with Two Microphones

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Main

Application

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Occupational Noise

Class 1 Noise Measurements in the Workplace

Occupational noise dosimetry, aligned with standards such as ISO, OSHA, and NIOSH, is key to protecting workers from harmful noise. The challenge of accurately measuring noise exposure comes from its variable and multi-directional nature in the workplace. The SV102A+ Dual Channel Dosimeter addresses this by allowing simultaneous noise measurements from different directions with a single device, making the process more efficient and less intrusive for workers. In environments like aviation or call centers, where noise sources are complex, traditional dosimetry methods may not be sufficient. The Microphone in Real Ear (MIRE) measurement technique is critical here. MIRE provides a direct assessment of noise exposure at the ear, leading to a more accurate understanding of auditory risks. Additionally, the SV102A+ facilitates unattended noise dosimetry with audio recording and frequency analysis features. These are important for analyzing noise sources after measurement, helping to identify specific noise contributions and develop effective mitigation strategies.
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Dual-Channel Noise Dosimeter

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Class 1 Dual-Channel Noise Dosimeter

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SV 102A+ Dual Channel Noise Dosimeter

SV 102A+ Dual Channel Noise Dosimeter

The standard SV 102A+ kit includes SV15 preamplifier with cable, SV 7052E microphone, 2x AA batteries, 8 GB memory card and a USB cable for communication with PC. Each SV 102A+ has its factory calibration certificate and a 36-MONTH WARRANTY upon product registration. The standard kit also includes license for PC software.

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SF102A+_3OCT - License of 1/1 & 1/3 octave analysis for SV 102A+

SF102A+_3OCT - License of 1/1 & 1/3 octave analysis for SV 102A+

License of 1/1 & 1/3 octave analysis for SV 102A+

SF102A+_REC - License of Audio events recording for SV 102A+

SF102A+_REC - License of Audio events recording for SV 102A+

License of Audio events recording for SV 102A+

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      Products in the enquiry (1)

      Please select desired dates:

      I hereby consent to the processing of my personal data, i.e. my full name and e-mail address, by SVANTEK SP. Z O.O. with its registered office in Warsaw at ul. Strzygłowska 81 for the purpose of receiving marketing information on the products and services offered by SVANTEK SP. Z O.O. via electronic means of communication, in particular via e-mail, in accordance with the provisions of Article 10 sec. 1 and 2 of the Act on providing services by electronic means.

      I hereby consent to the processing of my personal data, i.e. my full name and phone number, by SVANTEK SP. Z O.O. with its registered office in Warsaw at ul. Strzygłowska 81 for the purpose of marketing activities with the use of telecommunications terminal equipment and automatic calling machines within the meaning of the Telecommunications Act.


      I declare that I have been informed that my data may be transferred to entities that process personal data on behalf of the Administrator, in particular to distributors - such entities process data on the basis of an agreement with the Administrator and exclusively in accordance with its instructions. In such cases, the Administrator requires third parties to maintain the confidentiality and security of information and verifies that they provide appropriate measures to protect personal data.

      Some of the entities processing personal data on behalf of the Administrator are established outside the EEA. In connection with the transfer of your data outside the EEA, the Administrator verifies that these entities provide guarantees of a high level of personal data protection. These guarantees stem in particular from the obligation to apply the standard contractual clauses adopted by the Commission (EU). You have the right to request a copy of the standard contractual clauses by sending a request to the Controller.

      I declare that I have been informed on my right to withdraw my consent to the processing of my personal data at any time, to access the provided personal data, to rectify, erase, restrict processing and object to the processing of my data, as well as the right to lodge a complaint with the President of the of the Personal Data Protection Office in the event of an infringement of the provisions of GDPR.

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      Technical

      Specification

      SV 102A+ Dual Channel Noise Dosimeter

      Applications

      Sound measurements
      Occupational noise

      Hardware Features

      Number of channels 2
      Auto-calibration
      Keyboard lock
      Remote communication
      Bluetooth
      Communication Interfaces USB
      LED indicator
      Display
      Keyboard 4 buttons
      Memory 32 GB
      Battery type Two AA batteries (alkaline)
      Operating time > 16 h
      Operating temperature range from -10'C to 50'C
      Humidity range up to 90 % RH
      Weight 260g
      Size 95 x 83 x 33 mm
      Docking station required

      Sound measurements features

      Standards IEC 61252; ANSI S1.25-1991; Class 1: IEC 61672-1:2013, ISO 11904-1
      Microphone type ACO SV 7052E, prepolarised, 1/2” ; SV 25S, special microphone with probe for MIRE
      Preamplifier type SV 15
      Linear operating range to IEC 61672 45 dBA Leq÷ 141 dBA Peak
      Frequency range 20 Hz ÷ 20 kHz
      Weighting filters A, C and Z
      Time constants Slow, Fast, Impulse
      Statistics in octaves or third octaves
      Audio recording option
      Voice coments
      1/1 octave option
      1/3 octave option

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