SISTEM INSTRUMENTASI SISTEM INSTRUMENTASI -...

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  • 4 : PRINSIP DASAR SENSOR

    Program Studi Fisika

    FI 365 FI 365 FI 365 FI 365 SISTEM INSTRUMENTASISISTEM INSTRUMENTASISISTEM INSTRUMENTASISISTEM INSTRUMENTASI

    Waslaluddin, dkk

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    PRINSIP DASAR

    ISI KULIAH

    Sensor Mekanik

    Sensor Elektrik

    Sensor Temperatur dan Radiasi

    Sensor Magnetik dan Kimia

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    PRINSIP DASAR

    SENSOR MEKANIK

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    PRINSIP DASAR

    SENSOR MEKANIK:

    Velocity and AccelerationVelocity and Acceleration Capacitive Accelerometers Piezoresistive Accelerometers Piezoelectric Accelerometers Thermal Accelerometers

    Heated-Plate Accelerometer Heated-Gas Accelerometer

    Velocity and AccelerationVelocity and Acceleration Capacitive Accelerometers Piezoresistive Accelerometers Piezoelectric Accelerometers Thermal Accelerometers

    Heated-Plate Accelerometer Heated-Gas Accelerometer

    Pressure Sensors Pressure Sensors Mercury Pressure Sensor Piezoresistive Sensors Capacitive Sensors VRP Sensors Optoelectronic Sensors Vacuum Sensors

    Pirani Gauge

    Pressure Sensors Pressure Sensors Mercury Pressure Sensor Piezoresistive Sensors Capacitive Sensors VRP Sensors Optoelectronic Sensors Vacuum Sensors

    Pirani Gauge

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    Gyroscopes Rotor Gyroscope Monolithic Silicon Gyroscopes Optical Gyroscopes

    Gyroscopes Rotor Gyroscope Monolithic Silicon Gyroscopes Optical Gyroscopes

    Force, Strain, and Tactile SensorsForce, Strain, and Tactile Sensors Strain Gauges Tactile Sensors . Piezoelectric Force Sensors

    Force, Strain, and Tactile SensorsForce, Strain, and Tactile Sensors Strain Gauges Tactile Sensors . Piezoelectric Force Sensors

    Pirani Gauge Ionization Gauges Gas Drag Gauge

    Pirani Gauge Ionization Gauges Gas Drag Gauge

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    PRINSIP DASAR

    SENSOR MEKANIK:

    Flow SensorsFlow Sensors Thermal Transport Sensors Ultrasonic Sensors Electromagnetic Sensors Microflow Sensors Breeze Sensor Coriolis Mass Flow Sensors

    Flow SensorsFlow Sensors Thermal Transport Sensors Ultrasonic Sensors Electromagnetic Sensors Microflow Sensors Breeze Sensor Coriolis Mass Flow Sensors

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    Coriolis Mass Flow Sensors Drag Force Flow Sensors Coriolis Mass Flow Sensors Drag Force Flow Sensors

    Acoustic SensorsAcoustic Sensors Resistive Microphones Condenser Microphones Fiber-Optic Microphone Piezoelectric Microphones Electret Microphones Solid-State Acoustic Detectors

    Acoustic SensorsAcoustic Sensors Resistive Microphones Condenser Microphones Fiber-Optic Microphone Piezoelectric Microphones Electret Microphones Solid-State Acoustic Detectors

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    PRINSIP DASAR

    SENSOR MEKANIK:Occupancy and Motion DetectorsOccupancy and Motion Detectors Ultrasonic Sensors Microwave Motion Detectors Capacitive Occupancy Detectors Triboelectric Detectors Optoelectronic Motion Detectors

    Visible and Near-Infrared Light Motion Detectors & Far-IR Motion Detectors

    Occupancy and Motion DetectorsOccupancy and Motion Detectors Ultrasonic Sensors Microwave Motion Detectors Capacitive Occupancy Detectors Triboelectric Detectors Optoelectronic Motion Detectors

    Visible and Near-Infrared Light Motion Detectors & Far-IR Motion Detectors

    Position, Displacement, and LevelPosition, Displacement, and Level Potentiometric Sensors Position, Displacement, and LevelPosition, Displacement, and Level Potentiometric Sensors

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    Potentiometric Sensors Gravitational Sensors Capacitive Sensors Inductive and Magnetic Sensors

    LVDT and RVDT Eddy Current Sensors & Transverse Inductive Sensor Hall Effect Sensors & Magnetoresistive Sensors

    Optical Sensors Optical Bridge & Proximity Detector with Polarized Light Fiber-Optic Sensors & FabryPerot Sensors Grating Sensors & Linear Optical Sensors (PSD)

    Ultrasonic Sensors Radar Sensors : Micropower Impulse Radar & Ground-P enetrating Radar Thickness and Level Sensors : Ablation & Thin-Film & Liquid-Level Sensors

    Potentiometric Sensors Gravitational Sensors Capacitive Sensors Inductive and Magnetic Sensors

    LVDT and RVDT Eddy Current Sensors & Transverse Inductive Sensor Hall Effect Sensors & Magnetoresistive Sensors

    Optical Sensors Optical Bridge & Proximity Detector with Polarized Light Fiber-Optic Sensors & FabryPerot Sensors Grating Sensors & Linear Optical Sensors (PSD)

    Ultrasonic Sensors Radar Sensors : Micropower Impulse Radar & Ground-P enetrating Radar Thickness and Level Sensors : Ablation & Thin-Film & Liquid-Level Sensors

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    SENSOR TEKANAN (PRESSURE SENSOR):

    Definisi makroskopis Tekanan (P) = Gaya mengenai permukaanSatuan luas

    P = F/A

    Definisi mikroskopis Tekanan (P) berdasar teori kinetik gas =Total energi kinetik molekul gas mengenai permukaan persatuan volume

    P = 2/3 (E /V) = NRT

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    P = 2/3 (Ek/V) = NRTEk = energi kinetik molekul gasV = volume gas

    N = jumlah molekul gasR = konstanta gasT = temperatur gas

    Satuan tekanan (P):1 Pa=1.4510.4 lb/in2 =9.86910.6 atm=7.510.4 cm Hg.

    1 atm=760 torr=101,325 Pa.

    1 psi=6.89103Pa=0.0703 atm.(sistem US)

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    PRINSIP DASAR

    Bellow & Membran Strain-gage Pressure Sensor

    Z : defleksi r : jari-jari membranS : tensi pada membran

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    plat tipis

    membran

    S : tensi pada membrang : tebal membran : stress pada membran

    Untuk plat :

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    PRINSIP DASAR

    Membran/diaprahm Pressure SensorFI 365

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    Membran/diaprahm Pressure Sensor

    Defleksi yang kecil ditengah-tengah membran jari-jari membran rn berubah

    Untuk

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