dB Acoustics and Environmental Services,
13 Cherry Tree Drive, Blackwood, Lanark ML11 9TF, United Kingdom.
Tel: 01555 894877
web: www.dbsound.co.uk
email: info@dbsound.co.uk
BS EN ISO 140-4:1998: Acoustics - Measurement of sound insulation in buildings and of building elements
Part 4: Field measurements of airborne sound insulation between rooms.
BS EN ISO 140-7:1998: Acoustics - Measurement of sound insulation in buildings and of building elements
Part 7: Field measurements of impact sound insulation of floors.
BS EN ISO 3382-2:2008: Acoustics - Measurement of room acoustic parameters.
All measurement equipment has calibration certification from the following United Kingdom Accreditation Service (UKAS) accredited test laboratory:
AV Calibration, 2 warren Court,
Chicksands, Shefford,
Bedfordshire
SG17 5QB.
Sound and Reverberation Time Measurement:
Svantech Acoustic Analyser Type Svan 912AE
01dB 1/2” Condenser Microphone Type MCE212
01dB Preamplifier Type PRE12H
Bruel and Kjaer Acoustic Analyzer Type 2250
Bruel and Kjaer 1/2" Condenser Microphone Type 4189
Bruel and Kjaer Microphone Preamplifier Type ZC-0032
Bruel and Kjaer Reverberation Time Module Type BZ-7227
Bruel and Kjaer Rotating Boom Type 3923
Sound Tech Digital Power Amplifier Type PS802
Dodecahedric Noise Generator System Type DO12
Impact Sound Insulation Test:
Bruel and Kjaer Tapping Machine Type 3204
Calibration:
Bruel and Kjaer Sound level Calibrator Type 4231