SONUS GA216I Noise Assessment Starter System
SONUS GA216I Noise Assessment Starter System Noise Safety and Environment Class2 Noise Meter / Noise Dosimeter Industrial Hygiene Selangor, Malaysia, Kuala Lumpur (KL), Klang Supplier, Suppliers, Supply, Supplies | Inter Products Marketing Sdn Bhd

Castle / NK013

SONUS GA216I Noise Assessment Starter System

SONUS GA216I Class 2 Integrating Sound Level Meter c/w GA601 Single Level Calibrator and Attache Kit

This entry level system provides you with all the equipment you need to carry out assessments to The Control of Noise at Work Regulations 2005 at the lowest possible cost.
Supplied with a class 2 integrating sound level meter, the GA216i, which is fully compliant with IEC 61672:2013 Class 2, and a single level class 2 acoustic calibrator, GA601, which meets IEC60942:2003 Sound Calibrators, Class 2/C.
Sound meter and calibrator are supplied a hard wearing carry case which is perfect to transport your equipment for noise at work assessments in the working environment.
The Castle GA216i sound level meter brings simplicity and power to the worlds of Noise at Work sound monitoring. From a basic sound pressure meter to full data-logging, combined sound and dosemeter, the range of systems covers a wide diversity of applications.
The Castle SONUS GA216I is a feature packed instrument that is fully compliant with IEC 61672-1:2002 Class 2, IEC 60651: 1979 Type 2 and IEC 60804: 2001 Type 2. This meter gives simultaneous Leq (rms. average) and peak measurement for assessments to the Control of Noise at Work Regulations 2005. It has a high-specification measurement microphone and is cased in tough, crack resistant ABS plastic.
Mobility of instrumentation is essential for effective noise measurement. As the name indicates, the Castle SONUS ‘Pocket Meters’ pack all the necessary features into pocket sized proportions
The data-logging instruments have a USB connection and are compatible with the Castle dBdataPRO software, where data can be presented in the desired format and copied and pasted into other applications, so you don’t have to change the way you have always completed your reports.
There are a number of system packages available to suit many applications from simple tasks such as alarm monitoring, to a fully weatherproof system for long-term environmental monitoring, there are also dedicated packages for Noise at Work requirements.

Key Features

Designed for Industrial Safety Officers and Safety Managers for compliance with the Health and Safety at Work Act; Noise at Work regulation 2005.The Castle GA216I provide all the necessary information you need for completing Noise at Work risk assessments.
Integrated equivalent level (Leq) measurement
Personal Sound Exposure Level (LEpd)
Sound Pressure (Lp) to 0.1 dB resolution
'A' and 'C' frequency weighting (toggle)
'Slow' and 'Fast' Time weighting (toggle)
Simultaneous measurement of Lp, Lmax, and Cpeak
Lmax - maximum Lp hold (rms.)
Cpeak - maximum peak level
Elapsed time (running time hrs, min, sec)
Single Event Sound Exposure Level (LAE)
Overload and Under-range indication
Battery condition (Life approx. 12 hours)

Technical Specification


IEC 61672-1:2002 (Integrating, Sound Exposure and Sound Level Meters)
IEC 60651:1979+A1+A2 (Sound Level Meters)
IEC 60804:2000 (Integrating Function)


Type 7052 Pre-Polarised ½” (13.2 mm)
Free-Field, Electret Condenser Microphone:
20Hz – 8KHz ± 2dB
–32 dB ± 3 dB re 1V/Pa
Custom pre-amplifier design
Typical actuator to free-field correction factor (based on 500Hz=0) is as follows

  20Hz: 0                           1kHz: 0
                     25Hz: 0                 1.25kHz: +0.1
                  31.5Hz: 0                   1.6kHz: +0.3
                     40Hz: 0                      2kHz: +0.4
                     50Hz: 0                   2.5kHz: +0.5
                     63Hz: 0                 3.15kHz: +0.8
                     80Hz: 0                      4kHz: +1.2
                   500Hz: 0                      5kHz: +1.6
                   630Hz: 0                   6.3kHz: +2.3
                   800Hz: 0                      8kHz: +3.6


Back-lit LCD panel (8x1 Characters)
Alpha-Numeric display for measured results


Measuring Range: 35-140
Linear operating range (IEC61672-1): 65dB
3 Measurement Ranges (IEC61672-1):
55-120 - Reference Range


Typical ’A’ Weighting <32 dB(A) rms.
‘C’ Weighting <38 dB(C) rms.


‘A’ and ’C’ to IEC 61672-1:2002 and IEC 60651:1979+A1+A2


20 Hz - 8 kHz (including microphone)
1 Hz  - 20 kHz (electrical characteristics)


Slow and Fast


Simultaneous rms. and Peak


Lp (Sound Pressure Level), Leq (Equivalent Sound Level), Lmax (maximum Level), Cpeak (Max. Peak Level), LEpd (Sound Exposure Level), LAE (Single Event Sound Exposure Level)
Other Displays: Elapsed time, Overload, Battery Life


Software controlled 91.0 to 120.0 dB (1kHz) in 0.1 dB steps


A to D Converter: 12-bit
Controller: 8MHz, micro-controller


Batteries: 1 x 6LR61 (size PP3), Life: >12 hours (alkaline batteries, continuous operation).


Dimensions: 60mm (width) x 35mm (depth excluding pocket clip) x 135mm (height without microphone) or  210mm (height with microphone)
Weight: 220gms (including battery)


Multi-language manuals*: French, German, Spanish and Italian.

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