Mining surveillance

April 2006 Surveillance

Watec CCD cameras, available locally from Scientific Alert, are suited for below and surface mining applications. The miniature packaging reduces power consumption and allowing smaller housings/brackets, with the metal casing improving rigidity and acting as a heatsink to cool the camera. Cameras like the WAT-902H Supreme operates automatically from full sunlight down to 1/4 moon (0,0003 lux) without additional illumination.

The WAT 232 is a true day/night camera with high resolution colour during the day down to 0,1 lux, with automatic switchover to monochrome (black and white) viewing down to 0,006 lux. The spectral response of the sensor extends to 940 nm allowing the use of IR illuminators that are invisible to the naked eye, ideal for underground specialised surveillance with ranges up to 100 m.

The Watec cameras can be used in new systems or as upgrades due to compatibility with most auto iris lens manufacturers. They have the same output signal for all CCTV monitoring, control systems and all types of video transmission systems, fibre-optic, coax or wireless.

The cameras can be supplied with a small power supply from 12-30 V d.c./a.c. (automatic recognition), with overload and reverse polarity protection, very useful for cameras in remote locations.

Monitoring and surveillance mining applications include conveyor belts, electrical substations, perimeter, sensitive and strategic areas, smelt houses and access control.

For more information contact Dave Brownhill, Scientific Alert, 011 476 5718,

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