Home·Noise & Acoustic

Noise & Acoustic Testing

Ambient noise mapping, workplace occupational surveys, insertion-loss performance testing and sound-level characterisation for EIA, HSE and civil-engineering applications.

Overview

Noise & Acoustic Testing

JEICL conducts noise measurements across the full range of regulatory and engineering contexts — from 24-hour ambient surveys under CPCB noise rules, to dosimetry-based occupational assessments, to IS 9989 insertion-loss testing of acoustic enclosures and barriers. We provide both site-based sampling teams and laboratory-level data analysis.

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Typical Turnaround

Standard samples: 3–7 working days. Urgent / rush testing: 24–48 hours on request, subject to parameter scope.

Reporting

Results issued on an ISO/IEC 17025:2017-aligned test report format with methodology references, measurement uncertainty where applicable, and digital signature of the Technical Manager.

Parameters Offered

Test parameters under this discipline

Indicative list — additional parameters are added regularly. Contact us if the parameter you need is not listed below.

Ambient Noise Level (Leq, L10, L50, L90, L95)
Day / Night Noise Levels (Ld, Ln)
Workplace Noise Exposure (LEX,8h)
Peak Sound Pressure (Lpeak)
Octave Band & Third-Octave Band Analysis
A-weighted / C-weighted / Z-weighted Levels
Insertion Loss (IS 9989)
Sound Transmission Class (STC)
Noise Contour Mapping
Vibration Measurement (where scoped)
Methodology & Standards

Test methods traceable to recognised standards

IS 9989:1981Method for Determining Sound Attenuation of Noise Control Enclosures
CPCB Rules 2000Noise Pollution (Regulation & Control) Rules
IS 4954Recommendations for Noise Abatement in Town Planning
OSHA 1910.95Occupational Noise Exposure Standard
ISO 1996Acoustics — Description of Environmental Noise
IS 3483Noise Reduction by Screens & Enclosures
Instrumentation

Equipment used in this discipline

All instruments are maintained on documented calibration and preventive maintenance schedules, with intermediate checks logged against reference standards to ensure reliability between calibrations.

  • Type-1 Integrating Sound Level Meter
  • Class-1 Acoustic Calibrator
  • Personal Noise Dosimeter
  • Octave / Third-Octave Band Filter Set
  • Tripod Mount & Wind Shield
  • GPS Location Marker
  • Digital Acoustic Measurement Software
Ready to test?

Send your sample details — we'll quote within 1 working day.

Share the parameters, sample volume, sampling location and timeline. We'll respond with methodology, pricing and a collection plan.

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