When Sharon Leong conducts field work, she packs a digital camera, a thermometer and an electromagnetic field meter. She isn't a private detective or an electrician. Leong, a legal secretary by day, is an avid ghost hunter by night. With those gizmos and many others in tow, Leong treks to reputedly haunted homes, battlefields, bars and hotels, gathering what she thinks may be evidence of a world beyond this earthly one.The pursuit of ghostly evidence has been a popular pastime for centuries. Now, instead of Ouija boards, ghost hunters are increasingly turning to high tech gear to assist in their search. Such ghost hunters rely upon digital equipment to document potential signs of hauntings. Cameras and voice recorders pick up eerie sights and sounds, while handheld gadgets measure electromagnetic radiation and odd drops in temperature.

Jumpsuits like those from the movie Ghostbusters are unnecessary, but pocket-laden cargo pants and fishing jackets are handy for stashing all of the gear.Hobbyists like Leong find equipment either in pedestrian electronics shops or at custom online emporiums, such as Ghost Mart, which specializes in "discount paranormal research equipment." Although most of the equipment is built for more ordinary purposes, others, like a $30 electromagnetic field (EMF) "ghost meter," are clearly targeted at amateur ghost seekers. Complete kits can be ordered at a wide range of prices, between $250 and $2,000.

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