CFD
D-DOT SENSOR
The CFD (Conforming
Flat Dipole) sensor is a thin, flexible sensor which is designed
to conform to a cylindrical surface, such as an aircraft wing or
missile body, which is used to measure the normal component of the
displacement current (dD/dt). It can also be used to measure the
time rate of change surface charge density (dqs/dt).
(Data Sheet 1118 describes special qs sensors). The
conforming feature is gained at a sacrifice in frequency response
and accuracy due to the thinness of the sensor, and also to the
fact that the equivalent area of the sensor changes slightly when
curved. This sacrifice is justified in light of making any measurement
at all on highly curved surfaces. The sensor is a passive device
and requires no external power. The sensing element is protected
by a thin mylar cover.
Data
Specification Sheet
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