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MEET THE TEAM Some equipment used on paranormal investigations
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ORBS
FAKE / HOAX PICTURES
Electromagnetic energy is the movement of photons. It is everywhere
from radio waves, X rays, light spectrum, electricity, even ourselves emit an emf field. The soul is alledgedly to be pure energy. it's this invisible energy that the emf meter detects, if there are no other items to activate the meter then it could possibly be that of a spirit energy. 
DIGITAL  LASER
THERMOMETER
Laser thermometer is used to detect cold spots or even hot spots.
Temperature does not change unless something is affecting it in some way.  When a ghost is trying to manifest itself it is absorbing the ambient heat energy surrounding it causing that spot to become cold. The hot spot would be the reverse, the ghost reflects this energy making a particular spot warmer. It's a scientific fact that
there has to be some form of energy there to affect temperature.
Use with an EMF meter to back up any unusual readings.
DIGITAL DICTAPHONE
Wether you use digtal or anolog, both have given good results. These machines help the investigator to make notes and record any data without having to stop and write everything down. Ideal for capturing EVP ( electronic voice phenomena ).  It can be a good idea to get
all personnel to speak into the recorders to help eliminate there voice
when examining for EVP. It should be noted that when on investigations that all speak normally as whipering can be confused
with Electronic Voice Phenomena.
PIR MOTION DETECTORS
Motion sensors are placed in empty rooms to monitor any movement from placed trigger objects or even the movement
of a ghost / spirit
RADIO WALKIE - TALKIE
Walkie tailkies are a must if there are to be two or more teams.
These will keep you in contact at all times,
It will allow teams to rule out any strange noises that the other team may have made and most important will quick allow communication for for health and safety reasons
TORCH LIGHT
99% of all investigations are conducted at night so some way of being able to see is necessary. This is not to say that
ghosts / spirts are only active at this time. At night there is less background noise from crowds, traffic and even from dogs barking allowing for ease in picking up EVP recordings.
Its a good idea to try and keep torch lights pointing down to avoid shining into someones eyes.
DIGTAL CAMERA
Digital camera's have the benefit of giving instant results
on the night and seems to capture more anomolies than
other camera's. It has been suggested that the appearance of orbs in the digital camera is just due to the camera's developing software. But the technical department at SONY have stated that this is NOT a camera defect.
NOTE :- orbs have even been captured on disposeables
Use minimum 3m pixels
35mm SLR CAMERA
The 35mm film camera is a personal choice. while many
investgators prefer the digital this camera has the benefit of anything captured will also be on the negative of the film authenticating your picture. use 400 iso speed or
higher with the option of black & white and Infra Red film available
VIDEO CAMCORDER
IIt is best to use a video camcorder with night shot
capabilities ( 0 lux ) Camera's without night shot can be used but will reqiure some minimal form of light i.e torch light. video cams are great for capturing any moving anomolies and can also pick up on EVP's 
BATTERIES
Always be sure to have plenty of new batteries when
attending investigations. Any paranormal phenomena
seems to absorb or drain the energy from all batteries
wether they are in use or not. In a similar way that the ghost absorbs heat energy for cold spots.
An idea is to leave some batteries outside the area in a vehicle to possibly avoid the drainage of all batteries  
These are the basic and most used pieces of equipment used on paranormal investigations,
There are various other more advanced items that may be used depending on how much
an investgator wishes to spend  including video and voice analysis software.