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According to industrial safety law, areas subject to hazardous noise must be clearly defined, and workers notifies of the danger. In many cases, the noise hazard is intermittent and that's precisely the situation for which the GA902 was designed.
| Application | Noise at Work |
|---|---|
| Weightings | A |
| Application | Noise Level Indicators |
| Brand | Castle Group |
| Available Outside the UK? | Yes |
According to industrial safety law, areas subject to hazardous noise must be clearly defined, and workers notifies of the danger. In many cases, the noise hazard is intermittent and that's precisely the situation for which the GA902 was designed.
The GA902 activates only when the noise exceeds a pre-set level allowing exposed workers to wear ear defenders - often a less than popular safety measure - only when absolutely necessary.
Being of rugged construction, the GA902 is suitable for most industrial situations. It is also available in Stainless Steel for the food and pharmaceutical industry. Warning text is generally supplied to EC requirements, but alternative graphic and languages are available to order.
| Measuring Range | 75 dB to 112.5dB steps switch selectable 2.5dB variable calibration control (factory set) |
| Trip Time | User Adjustable 5 to 30 seconds |
| Controls | Push to Test button Mains Power "on" indicator |
| Detector | Characteristic: Averaging |
| Frequency Weighting | 'A' in accordance with IEC651 Type 2 |
| Time Response | Slow Response (1000mS) |
| Microphone (standard) | Built in Castle 1/2" electret |
| Microphone (Remote) | Pre-polarised 1/2" (12.7mm) Condenser Microphone Sensitivity 12mV/Pa Capacitance 15pF; Preamp output impedance 550R Cable Mounted |
| Outputs | Switched AC power feed for external beacon; Change-over relay contact sets |
| Power | 220V to 240V AC,50Hz/60Hz or 100V to 120V AC,50Hz/60Hz (Select on order) |
| Illumination | Two 8w, 12" fluorescent tubes |
| Dimensions | Overall: 520 x 200 x 120 |
| Viewable Screen Area | 450 x 190 |
