Product Specification unless deselected above |
| Brand |
Castle Group |
| Application |
Environmental Noise, Noise at Work |
| Noise Features |
Data Logging |
| Class |
Class 1 |
| Weightings |
A, C, Z |
| Measurement Parameters |
Leq |
| Available Outside the UK? |
Yes |
Castle Sonus GA116L Class 1 Logging Sound Level Meter
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.
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Technical Specification
GA116LStandards
IEC61672-1-2013 (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:
| RANGE | DISPLAY RANGE | LINEAR RANGE | PEAK RANGE |
| 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 |
