Modern day ghost hunting is a gadget packed hobby that often costs the enthusiast thousands of pounds.
No self respecting ghost hunter is without an EMF Detector which identifies static electricity, the alleged causes of ghostly manifestations. Another piece of equipment is the digital thermometer, used to detect fluctuations in temperature in a location. Just before ghost activity there are sharp, unexplained drops in temperature so an accurate thermometer is important. A ghost hunter will also carry sound, humidity and light meters to monitor the location during their investigations.
Good recording equipment is essential, so tape recorders and Dictaphones should be used. The higher the quality of equipment the better the chance of future analysis of any evidence recorded. Most researchers use infrared cameras during their investigations. These are particularly good for picking up mists and light anomalies. High-end equipment such as radiation detectors and thermocameras can also be purchased but could cost huge amounts of money.
The famous ghost hunter Peter Greenwood once commented that he had seen ghost hunters with cars full of equipment and yet it is the man with just a tape recorder that gets the evidence. Thus is the nature of the paranormal!