E-meter

An E-meter is an electronic device used during Dianetics and Scientology auditing. The device is a variation of a Wheatstone bridge, which measures electrical resistance and skin conductance. It is formally known as the Hubbard Electrometer, after the Church's founder, L. Ron Hubbard. Most of the Scientology concepts associated with the "E-meter" and its use are regarded by the scientific and medical communities as pseudoscience. The device itself is essentially a modified ohmmeter.

The Church of Scientology restricts the use of the E-meter to trained Scientologists, treating it as "a religious artifact used to measure the state of electrical characteristics of the 'static field' surrounding the body". The meter, when used by a trained Scientologist, is claimed to reflect or indicate whether or not a person has been relieved from spiritual impediment of past experiences. Officials within Scientology assert that the E-meter is intended for use only in Church-sanctioned auditing sessions and is in itself not a curative or medical device. The E-meters used by the Church of Scientology are manufactured by Scientologists at their Gold Base facility.