Penerangan
Castle / NK103
dBAir GA141SO Safety Managers System with Octave (1/1), Class 1
dBAir GA141SO (Class 1) Safety Sound Level Meter, Octave (1/1) 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 the professional Safety Manager looking to take full control of their occupational noise exposures. 1/1 Octave Band Analysis provides the user with the most accurate method of selecting hearing protection in combination with the integrated “Hearing Protection Database”. Octave bands are equally useful for the assessment of noise control measures.
Sound Level Meter with 1/1 Octave Band Analysis to enable you and your instrument to perform hearing protection assessments using the octave band method - the most accurate method of determining the correct level of hearing protection.
Unique to Castle sound level meters is the in-built Hearing Protection Database, which is a comprehensive database of hearing protectors found directly on this sound level meter.
The Octave Band version of the dBAir Safety, enables the user to carry out Octave Band Hearing Protection Assessments, which is the most accurate method of determining the correct level of hearing protection. In combination with the in-built “Hearing Protection Database”, users can select suitable hearing protection directly from the dBAir Meter. Take full control of your occupational noise exposure.
Sound Level Meter Key Features and Applications
Exposure Assessments
Factory Noise Mapping
Octave Band Hearing Protection Assessment
Litigation Defence
Noise Control
Technical Specification
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Applicable Standards |
IEC 61672-1:2013 IEC 61260-1:2014 (Where Octave Bands Fitted) IEC 61252:1993 amendment 1:2000 (Where Exposure Fitted) |
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Microphone |
Type 1 Pre-Polarised ½” (50mV/Pa) Condenser Microphone -26 dB ± 2 dB re 1V/Pa |
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Measurement Ranges |
Linear Operating Range: 95dB |
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Noise Floor |
Typical ’A’ WeightingFrequency WeightingsMeasurement 1: A, C or Z Measurement 2: A, C or Z |
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Frequency Range |
1 Hz - 20 kHz (electrical characteristics) Class 1: 12.5 Hz - 20 kHz (including microphone) Class 2: 16Hz - 16kHz (including microphone) |
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Time Weighting |
Measurement 1: Slow, Fast, Impulse Measurement 2: Slow, Fast, Impulse |
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Display |
2.4” Full Colour TFT 240x320 pixels |
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Dual Measurements |
Simultaneous dual measurement with independent time and frequency weightings |
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Octave Band Analysis |
Where fitted 1/1 or 1/3 octave band analysis on measurement 1 only. |
Measurement Parameters
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dBAir Safety Octave: |
LSPL, LEQ, LMAX, LMIN, Peak, LEP’d, Exposure Points, Dose, Hearing Protector Calculator. 1/1 Octaves: |
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Languages |
English UK, English US, Chinese, French, German, Italian, Portuguese Brazilian, Russian, Spanish. |
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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 |
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Power |
Batteries: 4 x AA (1.5V) Life: Up to 12 Hours continuous operation (screen settings dependent) USB Socket |
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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) |
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Weight |
480g approximately (including batteries) |
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