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Top of the Castle Pocket Range of Sound Level Meters is the SONUS (GA216L), a Noise at Work and Environmental Sound Meter boasting a combined integrating sound level meter with full data-logging capability. The dual-measurement feature of the SONUS means two versions of most parameters can be measured simultaneously. This feature means you only ever need to measure once to capture all the data you need.
| Measurement Parameters | Leq |
|---|---|
| Class | Class 2 |
| Weightings | A, C, Z |
| Application | Noise at Work, Environmental Noise |
| Noise Features | Data Logging |
| Brand | Castle Group |
| Available Outside the UK? | Yes |
The Castle SONUS range of pocket sized sound level meters bring simplicity and power to the worlds of Noise at Work and Environmental sound monitoring. From a basic sound pressure meter to full data-logging sound meter and the range of systems covers a wide diversity of applications. Top of the Castle Pocket Range of Sound Level Meters is the SONUS (GA216L), a Noise at Work and Environmental Sound Meter boasting a combined integrating sound level meter with full data-logging capability.
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| 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 |
