Class 1 Professional Sound Level Meter for Environmental Noise assessments
Class 1 Professional Sound Level Meter for Environmental Noise assessments - Image 2

Class 1 Professional Sound Level Meter for Environmental Noise assessments

Castle dBAir-E (With Octave Band Option)

£2,701.50 excl. tax | £3,241.80 incl. tax

The Castle dBAir Class 1 Environmental sound meter has been designed to enable the user to carry out simple and effective noise assessments for a wide range of applications. The instrument comes configured with predefined measurement templates, giving you the assurance that you’re measuring the correct parameters for each of your specific assessments.
BS 4142:2014 Assessment
The Castle dBAir has all the functionality necessary for BS 4142 assessments and compliance reporting, including statistical parameters, the ability to measure overnight if required and optional weather monitoring.
Construction Assessment
Construction noise is a special application because it covers a range of tasks from Planning Conditions to BS 5228 Assessments and from Complaints and Occupational Noise Measurements.
Boundary Assessment
The Castle dBAir is ideally suited to being left unattended for a few hours to weeks at a time. Suitable for monitoring construction site, nuclear power stations, or factory boundaries.
Railway Assessment
The Castle dBAir is well suited to noise monitoring applications where mechanical noise is the cause of complaints in residential areas.
  • Designed for noise assessments to BS 4142
  • Application specific measurement templates
  • Suitable for extended unattended monitoring

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Measurements

Frequency Weighting Measurement 1: A, C or Z
Measurement 2: A, C or Z
Time Weighting Slow, Fast, Impulse
Measurements and Analysis LSPL, LE, LEQ, LMAX, LMIN, Peak, LEP’d, Exposure Points, Dose, Hearing Protector Calculator, Ltm3, Ltm5, Lday, Lnight, Ldn, Lden, NA, 10 user-definable Ln values (pre-set to: L1, L5, L10, L20, L25, L50, L75, L90, L95, L90) plus LAF* for 1996 Noise Act Assessments.
Measurement Channels 2 Channels: Simultaneous dual measurement with independent time and frequency weightings
Octave Band Analysis 1/1 and 1/3 octave band analysis (where fitted) on measurement 1 only
Exchange rate 3dB, 4dB or 5dB
Criterion level 75dB, 80dB, 85dB or 90db ?
Threshold -5dB, -10dB, or OFF
Time History Short Interval: 10ms to 60m
Long Interval: 1s to 24h
Sampling timer Smart Timer, Duration Timer or Interval Timer

Applications

Construction Noise
Boundary Noise Monitoring
BS 4142 Assessments
Railway noise assessments
Tonal Noise Assessments to 1/3 Octave
Compliance Testing
Handheld Environmental Measurements

Specifications

Applicable Standards IEC 61672-1:2002 (Class 1 and Class 2 Sound Level Meters)
IEC 61672-1:2013 (Class 1 and Class 2 Sound Level Meters)
IEC 61252:1993 (AMD2-2017)
IEC 61672-1:2013 IEC 61260-1:2014 (Where Octave Bands Fitted)
IEC 61252:1993 amendment 1:2000 (Where Exposure Fitted)
ANSI S1.4:2014
ANSI S1.25:1991 R2007
Microphone and Preamplifier Class 1:Type 1 Pre-Polarised ½” (50mV/Pa) Condenser Microphone -26 dB ±2 dB re 1V/Pa
Sound Level Range
Range Name Linear Range Peak Range
Low 25 – 115dB 28 – 118dB
High 68 – 140dB 68 – 143dB
Noise Floor (Typical) “A” Weighting < 11.9dB
“C” Weighting < 12.2dB
“Z”  Weighting < 23.79dB
Frequency Range 1 Hz – 20 kHz (electrical characteristics) Class 1: 12.5 Hz – 20 kHz (including microphone)
Display 2.4” Full Colour TFT 240×320 pixels
Power Requirement Batteries: 4 x AA (1.5V) Life: Up to 8 Hours continuous operation (screen settings dependent)
Dimensions Including Pre-Amplifier: 210mm (H) x 70mm (W) x 30mm (D)
Excluding Pre-Amplifier: 145mm (H) x 70mm (W) x 30mm (D)
Weight 480g approximately (including batteries)
Language English UK, English US, Chinese, French, German, Italian, Portuguese Brazilian, Russian, Spanish, Dutch, Greek.
Memory support Memory 16GB, 32GB, 64GB
Connectors Micro USB Type B
Environmental Operating: 0°C to +40°C, Up to 90% RH Non-Condensing

Whats in the box

Castle dBAir-E Class 1 Sound Level Meter for Environmental
Blue Boot
Carry case
dBCal 3-level Class 1 Acoustic Calibrator (optional)
Free account for Castle Cloud.  One user/Instrument
Quick Start Guide
Windshield
dBAir Micro USB Cable

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