CD Skripsi

Pembuatan Alat Ukur Kuat Medan Magnet Induksi Berbasis Komputer

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Magnetic field is an important physical quantity in many research fields such as research in geology, geophysics, and research in the field of magnetism. In this paper, a computer-based instrument for measuring induced magnetic field strength is decribed. The instrument system for measuring magnetic field strength is an instrument with an external measuring unit using KMZ10B magnetoresistive sensor with analog amplifiers controlled by an ADC 7822 microprocessor, and connected to host personal computer with running application software based Visual C++ for data acquisition. Based on various coil dimension and excitation currents, the system can be configured during the measurement. Induced magnetic field strength can be detected by measuring the inductance of the inductive coil in the vicinity of the position sensor. The instrument has been tested and calibrated using a standard calibrator of magnetic field instrument Teslamater FH51. A linier model based on the transfer function is used to convert and to evaluate the sensor output. Measurements with constant and variable current have been made at the center of solenoid as well as on the end of the solenoid resulting maximum field strength of BC = 1,51mT and BE = 1,23mT at the center and on the end of solenoids core respectively. The experiments show that magnetic field strength will increase with the number of coil winding and excitation current.

Keywords: Magnetic Field, Solenoid, Signal Processing, Magnetic Sensor KMZ10B

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Ketersediaan

Informasi Detail

Judul Seri

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No. Panggil

03 01. 113 (0057)

Penerbit

Pekanbaru : Universitas Riau - FMIPA - Fisika., 2013

Deskripsi Fisik

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Bahasa

ISBN/ISSN

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Klasifikasi

03 01. 113 (0057)

Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

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Info Detail Spesifik

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Pernyataan Tanggungjawab

Dewa

Versi lain/terkait

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