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Sonus GA116B Sound Level Meter, Class 1
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Castle / GA116B
Sonus GA116B Sound Level Meter, Class 1
The entry level of the Castle Pocket Range of Sound Level Meters is the SONUS B(GA116B ), a feature packed, pocket instrument that is fully compliant with IEC 61672-1:2013. This meter gives simultaneous sound pressure (Lp) and peak (Cpeak) measurement for a multitude of tasks including initial spot-check 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.
Technical Specification
| Applicable Standards | IEC 61672-1:2013 (Integrating, Sound Exposure and Sound Level Meters) |
| Microphone and Preamplifier | Type 2 Pre-Polarised ½” (13.2 mm) Electret 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 shown below |
| Display | Back-lit LCD panel (8x1 Characters) |
| Alpha-Numeric display for measured results | |
| Level Range | Measuring Range: 35-140 |
| Linear operating range (IEC61672-1): 65dB | |
| 3 Measurement Ranges (IEC61672-1): 35-100 | |
| 55-120 - Reference Range | |
| 75-140 | |
| Noise Floor | Typical ’A’ Weighting <32 dB(A) rms. |
| ‘C’ Weighting <38 dB(C) rms. | |
| Frequency Weighting | ‘A’ and ’C’ to IEC 61672-1:2002 and IEC 60651:1979+A1+A2 |
| Frequency Range | 20 Hz - 8 kHz (including microphone) |
| 1 Hz - 20 kHz (electrical characteristics) | |
| Time Weighting | Slow and Fast |
| Instrument Response | Simultaneous rms. and Peak |
| Measurement Parameters | Lp (Sound Pressure Level), Lmax (maximum Level), Cpeak (Max. Peak Level) |
| Other Displays: Elapsed time, Overload, Battery Life | |
| Calibration | Software controlled 91.0 to 120.0 dB (1kHz) in 0.1 dB steps |
| Processing | A to D Converter: 12-bit |
| Controller: 8MHz, micro-controller | |
| Power Requirements | 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) |
| Manuals | Multi-language manuals*: French, German, Spanish and Italian. |
Accessories
GA601 Single Level Calibrator:
KA010 Kit Case for GA116B, GA601 and Accessories