Laboratory MeasurementOur Standard
Laboratory Measurement
HOKLAS Accredited Sound Reduction Test according to BS EN ISO 140-3: 1995 (BS 2750 Part 3: 1995) and BS EN ISO 717-1:1996
HOKLAS Accredited Airborne sound insulation of raod traffic noise reducing devices and road barrier according to BS EN 1793-2:1998 and BS EN 1793-3:1998
HOKLAS Accredited Sound Absorption Measurement according to ASTM C423-02
HOKLAS Accredited Sound Absorption Measurement according to ISO 354:2003
Sound Transmission Loss Measurement according to ASTM E90
Laboratory
Tests to Determine the Acoustic Performance of Road Barriers according to
BS EN ISO 140-3: 1995(BS2750 Part3: 1995), BS EN 1793-1:1998,BS EN 1793-2:1998
and BS EN 1793-3:1998
Field Measurement
HOKLAS Accredited Field measurement of room sound abosrption and/or room decay rate according to Annex X2 of ASTM C423-02
Noise Isolation Class Measurement
Noise Exposure Assessment in Working Places
Handling Noise Abatement Notice
Environmental Monitoring and Audit
Acoustics Design with Computer Modelling
Room acoustics simulation with ODEON Program for room acoustics, auditorium acoustics and industrial noise control
Sound insulation prediction with INSUL Program for walls, floors, ceilings and windows
Indoor Air Quality (IAQ) Measurement
Indoor Air Quality (IAQ) in Offices and Public Places
Laboratory Measurement
Velocity and air throw Measurement references to ANSI/ ASHRAE Standard 70-1991, AMCA 500