Castle Sonus GA116L - Data Logging Class 1 Sound Level Meter


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Quick Overview

This Castle Sonus Data Logging Sound Level Meter provides you with a cost effective solution to making noise measurements for Noise at Work and Environmental Noise Assessments.

It's fully compliant to IEC61672-1-2002 for Sound Level Meters, and also meets the requirements to be used in BS 4142:2014 assessments, which also makies this rugged little meter a useful tool for noise consultants who offer a variety of different noise monitoring services.

This Castle Sonus 116L comes with dBDataLite, the free version of Castle Noise Analysis Software.


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Castle Sonus GA116L - Data Logging Class 1 Sound Level Meter
Castle Sonus GA116L - Data Logging Class 1 Sound Level Meter Castle Sonus GA116L Castle Sonus Sound Meter Ga116L video

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Brand Castle Group
Application Environmental Noise, Noise at Work
Features Data Logging
Weightings A, C, Z
Measurement Parameters Leq
Available Outside the UK? Yes

Data Logging Class 1 Sound Level Meter - Sonus GA116L

The Castle Sonus range of pocket sized sound level meters bring simplicity and power to the world of Noise at Work and Environmental sound monitoring.

From basic nonlogging sound level meters to combined sound and dose meters with time and date stamped data logging capability.

The flagship model of the Pocket Sonus Meter range is the class one Sonus GA116L which is a full data logging, integrating sound and noise exposure meter (dosemeter) which has been designed or both Noise at Work assessments and Environmental Sound monitoring. The Sonus L is the upgraded model of the Sonus i, coming with full data logging and download capabilities.

The unique benefit of owning a Castle GA116L is that it can also be used as a Personal Sound Exposure Meter, a dosemeter, when it is accompanied with a separate pre-amplifier. 


Technical Specification


IEC61672-1-2002 (Sound Level Meters) IEC61252-1993 (Personal Sound Exposure Meters) BS4142:2014 Methods for rating and assessing industrial and commercial sound

Selectable level ranges on the GA116L:

30-100 29 – 101dB 30 – 100dB 40 – 103dB
50-120 59 – 121dB 50 – 120dB 60 – 123dB
70-140 69 – 141dB 70 – 140dB 80 – 143dB
Linear Operating Range 70dB
Detector Characteristics RMS and Peak
Frequency Weighting ‘A’, ‘C’ & ‘Z’ Weighted in Accordance with IEC 61672-1-2002 Combinations of ‘A’, ‘A’&’C’ simultaneous or ‘A’&’Z’ simultaneous available for Leq, Lmax and Pmax
Time Weighting ‘Slow’, ’Fast’ and ‘Impulse’ in Accordance with IEC 61672-1-2002
Exchange Rate 3dB, 4dB or 5dB
Criterion Level 75dB, 80dB, 85dB or 90dB
Threshold Level -5dB, -10dB or OFF
Peak 3dB above top of selected range
Display Custom alphanumeric LCD, digit size 7mm x 5mm
Memory 2100 Data Intervals Maximum
Microphone/ Preamplifier ACO 7146A pre-polarised ½” condenser microphone, 25mV / Pa
Calibration 91.0 to 120.0dB @ 1KHz
Batteries 1 x PP3 (9V) Approximately 12 hours continuous use
Operating Temperature Operating Range: -10 to + 50ºC
Humidity Effect: < 0.5dB from 25% to 90% RH
Vibration No effect on instrument

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