Keysight Technologies 16452A - Data Processing- Calculate Dielectric Parameter from Measurement Data; Measurement Theory

Keysight 16452A Liquid Test Fixture 33
Operation
Data Processing- Calculate Dielectric Parameter from Measurement Data
Data Processing- Calculate Dielectric Parameter from Measurement
Data
The dielectric parameter () is calculated from the following equation.
Where,
 Correction coefficient (see next page)
Relative dielectric constant (complex)
C
p
Liquid capacitance (measurement data)
C
o
Air capacitance (measurement data)
R
p
Equivalent parallel resistance (measurement data)
 Angular frequency (=2f)
f Frequency
Measurement Theory
The relative dielectric constant indicates the energy value of a material in an
electric field. It is represented as a complex quantity. The relative dielectric
constant ( ) is defined as the ratio of the material's dielectric constant ( ) to
that of a vacuum (

0
= 8:854 x 10
-12
).
Also,
Loss tangent
(1)

·
r

C
p
C
o
-----j
1
C
o
R
p
-------------–


=

·
r
(2)

·
r

·

r
·

·

o
----=

r
·
'
r
j''
r
–=

''
r
'
r
----=tan
B