dBAir GA141EO Environmental Assessment System 1/3 Octaves, Class 1 : 马来西亚的首选 Inter Products Marketing Sdn Bhd

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Castle / NK106

dBAir GA141EO Environmental Assessment System 1/3 Octaves, Class 1

dBAir GA141EO (Class 1) Environment Sound Level Meter c/w Calibrator (Dual level, Class 1) (Includes GA690 Barometer), Pro Account for Castle Cloud (5 Users, 5 Instruments, 3 years only), Protective System Carry Case and dBAir Rubber Case

For high accuracy handheld outdoor assessments, employ this 1/3 Octave Band Analysis dBAir Environmental Assessment System. With a Class 1 Microphone and wireless data transfer, your highly accurate measurements will be waiting for you in your Castle Cloud Software account as soon as you log in. Dedicated measurement templates come as a standard in this system, providing you with extra reassurance that your assessments are on point.

Hand-held environmental measurements

Tonal Noise Assessment to 1/3 Octave

Boundary noise checking

BS4142 checks

Construction noise

Compliance testing

Technical Specification

Applicable Standards

IEC 61672-1:2013 IEC 61260-1:2014 (Where Octave Bands Fitted) IEC 61252:1993 amendment 1:2000 (Where Exposure Fitted)

Microphone

Type 1 Pre-Polarised ½” (50mV/Pa) Condenser Microphone -26 dB ± 2 dB re 1V/Pa

Measurement Ranges

Linear Operating Range: 95dB

Noise Floor

Typical ’A’ WeightingFrequency WeightingsMeasurement 1: A, C or Z Measurement 2: A, C or Z

Frequency Range

1 Hz - 20 kHz (electrical characteristics) 12.5 Hz - 20 kHz (including microphone)

Time Weighting

Measurement 1: Slow, Fast, Impulse Measurement 2: Slow, Fast, Impulse

Display

2.4” Full Colour TFT 240x320 pixels

Dual Measurements

Simultaneous dual measurement with independent time and frequency weightings

Octave Band Analysis

Where fitted 1/1 or 1/3 octave band analysis on measurement 1 only.

Measurement Parameters

dBAir Environmental Octave:

LSPL, LE, LEQ, LMAX, LMIN, Peak, Ltm3, Ltm5, Lday, Lnight, Ldn, Lden, NA, 10 user-definable Ln values (pre-set to: L1, L2, L5, L10, L50, L90, L95, L98, L99) plus LAF* for Noise act assessment. 1/1 or 1/3 Octaves: LSPL, LE, LEQ, LMAX, LMAX, Ln’s, Peak. 1/3 Octaves.

Languages

English UK, English US, Chinese, French, German, Italian, Portuguese Brazilian, Russian, Spanish.

Time History

Short Interval: 10ms to 60m Long Interval: 1s to 24h Smart Timer, Duration Timer or Interval Timer Memory 16GB, 32GB, 64GB Input / Output Connection Micro USB Type B

Power

Batteries: 4 x AA (1.5V) Life: Up to 12 Hours continuous operation (screen settings dependent) USB Socket

Size and 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)