This article is from the Scientology Catechism, by scninfo@pcnet.com (Scientology Information Server) with numerous contributions by others.
E-Meter is a shortened term for 'electropsychometer'. It
is a religious artifact used as a spiritual guide in
auditing. It is for use only by a Scientology minister or
a Scientology minister-in-training to help the preclear
locate and confront areas of spiritual upset.
In itself, the E-Meter does nothing. It is an electronic
instrument that measures mental state and change of state
in individuals and assists the precision and speed of
auditing. The E-Meter is not intended or effective for
the diagnosis, treatment or prevention of any disease.
The book _Understanding the E-Meter_ offers a simple
explanation of how the E-Meter works and what it actually
measures. In order to understand what the E-Meter does,
it is necessary to understand some basic Scientology
concepts.
There are three basic parts of man -- mind, body and
thetan. The thetan is an immortal spiritual being -- the
individual himself. He (the thetan) inhabits a body,
which is a carbon-oxygen machine. He has a mind, which is
a collection of mental image pictures he has created.
These pictures have weight and mass and can impinge on
the person when he is emotionally upset.
This is what makes the E-Meter read -- the impingement of
such pictures against the body.
The E-Meter puts a very small electrical current
(approximately one and a half volts) through the body.
This is about the same amount of current as in the
average battery-powered wristwatch.
When a person thinks a thought, looks at a picture, re-
experiences an incident or when he shifts some part of
the pictures in his mind, he is moving and changing
actual mental mass and energy. These changes in the
person's mind affect the tiny flow of electrical energy
generated by the E-Meter, which causes the needle on its
dial to move.
The E-Meter thus measures changes that are caused by the
spiritual being in his own mind (i.e., the movement of
mental masses around him) and in this capacity, it is a
religious artifact.
The E-Meter is used to help the individual who is being
audited uncover truth. By locating areas of mental or
spiritual trauma, the E-Meter helps both the auditor and
the preclear locate exactly what to address in auditing.
 
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