Castle Group

GA902 Noise Warning Sign

01GA902

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£399.00

Quick Overview

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. The warning sign lights up when a pre-set noise level is reached to alert workers to leave the area or use hearing protection.

When illuminated, this is a Regulation Noise Control Sign
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£399.00

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Product Specification unless deselected above

Brand Castle Group
Application Noise Level Indicators
Weightings A
Available Outside the UK? Yes

The Castle GA902 Noise Warning Sign

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.

The GA902 is a self-contained unit housing its electronics in a tough case, and is easily installed and set for action. The front panel text is available as standard in EC or USA forms, but can be ordered in any language and a variety of colours. The front panel is completely blank when idle but brilliantly lit when activated to give an easily noticed warning. Outputs from the master unit can also trigger other external devices such as machines or process cut-off actuators - a complete system.

A System For All Seasons The Castle GA902 can easily be made into a system with the addition of 'slave' units which are powered from the main Castle GA902 'master'. Two 'masters' can also be linked to work together. These features can greatly extend the scope of your system, whilst keeping the number of units down to a minimum.

Optional Custom Screen Text

Custom screen text can be obtained where necessary.

Optional Remote Microphone

An optional remote microphone enables the sign itself to be in a prominent position while the microphone can be placed closer to a major noise source, order as GA902R.

Optional Remote Beacon

Fitting the optional Remote-Beacon greatly increases the warning impact, especially in large area.

Technical Specification

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

Downloads and Datasheets

The Castle GA902 Noise Warning Sign

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