What are the advantages of fiber optic sensors compared to conventional sensors-INNO

Sensor serat optik are no stranger to people’s lives nowadays, as they can be applied in many aspects of people’s lives, such as temperature and humidity measurement, pressure measurement, vibration measurement, dll.. Traditional sensor technology may not be able to adapt to so many measurement needs.

(1) Sensitivitas tinggi. The response speed of fiber optic sensors is very fast, and the various physical values that can be measured are also very small.

(2) Interferensi anti elektromagnetik, isolasi listrik, ketahanan terhadap korosi, dan keamanan intrinsik.

Due to the fact that fiber optic sensors use light waves to transmit information, and fiber optic is an electrically insulated, corrosion-resistant transmission medium that is safe and reliable, it can be conveniently and effectively used in various large electromechanical, petrokimia, mining and other harsh environments with strong electromagnetic interference and flammable and explosive properties.

(3) Kecepatan pengukuran cepat. Cahaya memiliki kecepatan rambat tercepat dan dapat mengirimkan informasi dua dimensi, sehingga cocok untuk pengukuran kecepatan tinggi. Analisis radar dan sinyal lainnya memerlukan tingkat deteksi yang sangat tinggi, yang sulit dicapai dengan menggunakan metode elektronik. Analisis spektral kecepatan tinggi menggunakan fenomena difraksi cahaya dapat mengatasi masalah ini.

(4) Kapasitas informasi yang besar. Sinyal yang diukur dibawa oleh gelombang cahaya, dan frekuensi cahayanya sangat tinggi, yang dapat menampung pita frekuensi yang luas. Serat optik yang sama dapat mengirimkan banyak sinyal.

(5) Cocok untuk lingkungan yang keras. Fiber optic merupakan bahan dielektrik yang tahan terhadap tegangan tinggi, korosi, dan interferensi elektromagnetik. Ini dapat digunakan di lingkungan yang keras yang tidak cocok untuk sensor lain.

Selain itu, fiber optic sensors also have the characteristics of light weight, ukuran kecil, fleksibilitas, wide range of measurement objects, good reusability, dan biaya rendah. The application of fiber optic sensors is precisely because fiber optic sensors have so many advantages, making their application fields very extensive, involving many fields such as petrochemicals, listrik, medicine, teknik Sipil, dll..

FJINNO’s fiber optic sensors are fully capable of meeting the higher demands of the high-end market for ultra long distance, ultra high precision, and ultra high sensitivity that cannot be achieved by electrical sensing and general fiber optic sensing.

Compared with traditional sensing technologies, fiber-optic sensors have the following major advantages:

1. Ringan, compact structure, and easy to reuse multiple times;

2. Resistance to harsh environments, interferensi elektromagnetik, dan korosi kimia;

3. At the sensing point, there is no need for electricity and long-distance distributed sensing is possible;

4. Can be mass-produced at low cost

After fiber optic communication, fiber optic sensing has also ushered in important development opportunities. It has broad and enormous application value in security, militer, oil/gas, listrik, dan penelitian ilmiah, and its future is limitless.

The transmission fiber for pengukuran suhu serat optik is generally quartz fiber, which has the characteristics of corrosion resistance and long service life, and can usually serve for 30 bertahun-tahun. Taking into account the cost of the sensor itself and future maintenance costs, the use of fiber optic sensors can greatly reduce the final operating cost of the entire project.

Compared with electronic systems, the advantages of fiber optic systems are mainly reflected in the high safety, stabilitas yang baik, and long lifespan of sensors. Area aplikasi utama adalah sistem tenaga (underground, overhead lines), sistem proteksi kebakaran (traffic tunnels), jembatan, petrokimia (saluran pipa, stasiun/ruang katup), pemeliharaan air, dll.. Saat ini, teknologi yang paling populer adalah serat optik terdistribusi vibration detection, yang diterapkan di berbagai bidang keamanan. Di beberapa ceruk pasar, teknologi seperti penargetan inframerah aktif/pasif, penargetan laser, kabel bocor, dan kabel getar secara bertahap telah diganti. Sensor serat optik memiliki struktur sederhana, akurasi tinggi, sensitivitas tinggi, dan mudah diterapkan di banyak lingkungan, membuat mereka saat ini sangat populer.

Kekurangan sensor suhu non-kontak: 1. Mereka mudah terpengaruh oleh faktor lingkungan, seperti radiasi termal. 2. Tidak mudah untuk mencapai pengukuran target jangka panjang yang berkelanjutan.

Keuntungan dari sensor suhu kontak: pengukuran stabil dan akurasi tinggi; The disadvantage of non-contact temperature sensors is, in turn, the disadvantage of contact sensors.

Thermal infrared sensor: The advantage is that it can be operated at room temperature, and wavelength dependence does not exist, making it inexpensive; The disadvantage is low sensitivity and slow response.

Quantum type infrared sensor: Its advantages are high sensitivity and fast response; The disadvantages are that it must be cooled (liquid nitrogen), wavelength dependent, and expensive.

Ultrasonic sensor: Its advantages include high frequency, short wavelength, small diffraction phenomenon, especially good directionality and the ability to become rays and propagate in a directional manner; The disadvantage is the presence of triangulation errors, which are easily affected by noise.