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April 2020

Frequency domain sensor
Frequency domain (FD) sensor is an instrument developed for measuring soil moisture content. The instrument has an oscillating circuit, the sensing part
processor. A sensor is always used with other electronics. Sensors are used in everyday objects such as touch-sensitive elevator buttons (tactile sensor) and
Soil moisture sensor
(soil moisture) include) Frequency Domain Reflectometry (FDR): The dielectric constant of a certain volume element around the sensor is obtained by measuring
Level sensor
ultrasonic level sensors, microwave sensors are executed at various frequencies, from 1 GHz to 60 GHz. Generally, the higher the frequency, the more accurate
Mass flow sensor
The hot film MAF sensor works somewhat similar to the hot wire MAF sensor, but instead it usually outputs a frequency signal. This sensor uses a hot film-grid
Inductive sensor
the frequency shifts. Either the magnitude change or the amount of frequency change can serve to defined a proximity distance at which the sensors go from
Piezoelectric sensor
A piezoelectric sensor is a device that uses the piezoelectric effect to measure changes in pressure, acceleration, temperature, strain, or force by converting
Passive infrared sensor
A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are
Hall effect sensor
A Hall effect sensor is a device that is used to measure the magnitude of a magnetic field. Its output voltage is directly proportional to the magnetic
Capacitive sensing
has a dielectric different from air. Many types of sensors use capacitive sensing, including sensors to detect and measure proximity, pressure, position