Personal safety lighting system

The heart of the D mining lamp is the 3-Watt side-emitting power LED that is run at a genuine 3 watts.




The light from this source is focussed by a unique reflector that gives a spot of 5000 lux at 1 metre and 10 Cd over 120 degrees, surpassing performance levels of all competitor LED powered lamps.


Internal control keeps the light output constant throughout a normal shift. If used for longer than a full shift duration, the light output gradually but noticeably drops, giving the operator plenty of time to leave the mine and put the lamp back on charge. This robust lamp is conceptually based around the rugged design of the heritage G series lamps that have been the market-leading mining lamp for the last 50 years.


Outstanding lighting performance, ease of maintenance and low cost of ownership have been the major factors influencing the design and characteristics of these lamps. At daytime light levels, the eye’s cone photoreceptors dominate vision. As light levels decrease the rod receptors of the eye, which have greater short-wavelength spectral sensitivity than cones, play an increasing role in vision. Research indicates that at low-light conditions, a short-wavelength spectral content can improve visual performance.


The spectral power distribution analysis indicates the short-wavelength content of the Oldham “D” caplamp, demonstrating clearly that the lamp is conducive to improving visual performance in typical mining / tunnelling conditions. Photometric tests show the Oldham “D” caplamp lighting intensity profile in the isocandela plot. The tight spot profile shows the precise nature of the “D” caplamp focus, making it ideal for viewing distant objects or for conducting fine detail work tasks that require high levels of luminance.


Part number: 200011





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