EMF Meter

It is said when a Sprit enters the area, there is a change in the electro magnetic field this device will detect that change. It is important to do a base line test before an investigation, to eliminate any electrical wiring

Laser Temprature 

To detect temperature changes and cold spots, there are various types used this is the most common.

Motion Detection

These devices are good for sensing movement when there should be none.  One sensor can easily monitor an entire hallway or room. it is an ideal tool for indoor investigations. Also infrared beams can be used for long range, if the beam is brocken an alarm is generated.

Two Way Radios

Needed on large investigations and lone vidual

Laptop

Laptops are now a crucial peice of equipment for Paranormal investigations  allow us to view information on a larger scale any images and video footage.

Night vision torch

For enhancing the infra red light

Digital Dictaphone

These are very useful and they are quickly becoming the item of choice for obtaining electronic voice phenomenon results,EVP.

Compass

A compass is not only very useful for navigation it is also great for picking up electromagnetic forces. A compass will react to any magnetic or electrical stimulus that may be out of the ordinary. needle points north kind.

Dowsing Rods

Some investirgators feel that the use of dowsing rods can help to pick up ghosts or portals.