Integrating Sound & Lepd meter *1 – GA116I

GA116I – Integrating Sound & Lepd meter *1

The Castle SONUS is a new range of pocket meters designed for ease of use with the power the cover the work you need, from Noise at Work measurements to Environmental monitoring. The SONUS sound level meters are split into a range of meters to suit specific needs.

Different models are split into 3 variations Basic, Integrating and Logging with an option for a Class 1 or Class 2 meter. Each model is packed with features designed to help you get the measurements you need, from basic sound level meter to a full logging integrating sound meter.

The Basic SONUS model, the GA116B or GA216B, gives simultaneous sound pressure level (Lp), max (Lmax) and peak (Cpeak) measurements for initial spot-check assessments for Noise at Work Regulations and is designed for engineers and industrial safety officers and anyone with a need for simple and accurate sound measurements.

The Integrating SONUS, GA116I or GA216I, adds further functions and measurement parameters including Lep’d and Dose enabling the sound meter to also double as a dosemeter. The meter is ideal for Industrial Safety Officers and Safety Managers and can be used for Health and Safety at Work Act; Noise Regulations 1989. The GA116I gives all the required information for Noise at Work risk assessments.

Completing the SONUS range of sound level meters, the GA116L and GA216L are full data logging instruments, capable of measuring Ln and Le parameters while also adding an Exposure Calculation to the dosemeter measurements. With an additional real-time clock and USB connection to the dBdataPro analysis software the data logging meters can store data and give you the results in a format to suit.

Applicable Standards:
I EC 61672-1:2002 Class 1 Group X
BS EN 61672-1:2003 Class 1 Group X
IEC 61252:1993
BS EN 61252-1997 + A1:2001

Microphone and Preamplifier:
Custom pre-amplifier design
Typical actuator to free-field correction factor (based on 500Hz=0) is shown below

Display:
Back-lit LCD panel (8×1 Characters)
Alpha-Numeric display for measured results

Level Range:
B and I Models:
Measuring Range: 35-140
Linear Operating Range (IEC61672-1): 65dB
3 Measurement Ranges (IEC61672-1): 35-100, 55-120 (Reference Range), 75-140

L Model:
Measuring Range: 30-140
Linear Operating Range (IEC61672-1): 70dB
3 Measurement Ranges (IEC61672-1): 30-100, 50-120 (Reference Range), 70-140
Peak: 3dB above top of selected range

Noise Floor:
Typical: ‘A’ Weighting 23 dB(A) rms,
‘C’ Weighting 24 dB(C) rms, ‘Z Weighting 25 dB(Z) rms (L Only)

Frequency Weighting:
‘A’ and ‘C’ to IEC 61672-1:2002 and IEC 60651:1979+A1+A2
‘Z’ (L only) to IEC 61672-1:2002
Combinations of A, A&C simultaneous or A&Z simultaneous available for Leq, Lmax and Pmax

Frequency Range:
20 Hz – 8 kHz (including microphone)
1 Hz – 20 kHz (electrical characteristics)

Time Weighting:
Fast and Slow, Impulse (L only) in Accordance with IEC 61672-1-2002

DOSE Calculations:
Exchange rate: 3dB, 4dB or 5dB
Criterion Level: 75dB, 80dB, 85dB or 90dB
Threshold Level: -5dB, -10dB or OFF

Instrument Response:
Simultaneous Peak and RMS

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

Memory:
2100 Data Intervals Maximum

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

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

Operating Temperature:
Operating Range: -10 to + 50C

Humidity:
Effect: < 0.5dB from 25% to 90% RH

Vibration:
No effect on instrument