Studi Analisis Sifat Dielektrik Tanah dengan Variasi Porositas Pada Frekuensi Resonansi Rendah
Abstract: The equipment to
measure dielectric properties of soil samples with lissajous method has been
designed in Electronic and Instrumentations Laboratory, Faculty of Science and
Technique, Jenderal Soedirman University, Purwokerto. The fundamental parts of
this equipment are signal generator, cathode ray oscilloscope (CRO) and
parallel plate. Thus, the soil samples which be researched is placed in zone
between parallel plate, as dielectric material. If signal generator supply
electric field into the parallel plate, hence response of samples to electric
field is shown with voltages values on oscilloscope (CRO). Based on this
voltages values, so that can be calculated a dielectric permittivity, dielectric
loss and tangent loss of soil samples. The number of samples that measured its
dielectric properties are three samples, which contains of top soil, smooth
sand of river, and sediments rocks. The measurement to dielectric properties
with variation of porosity is done to samples at low resonance frequency of 600
kHz and 2,75 MHz. The results which obtained show that a linear relation
between dielectric constant of soil samples to its porosity, but with empirical
equations different for every samples.
Penulis: Sehah dan Abdullah
Nur Aziz
Kode Jurnal: jpfisikadd090065
