{"id":14500,"date":"2023-09-06T11:51:08","date_gmt":"2023-09-06T10:51:08","guid":{"rendered":"https:\/\/www.sylex.sk\/product\/vyhody-snimacov-fbg\/"},"modified":"2025-01-17T10:49:38","modified_gmt":"2025-01-17T09:49:38","slug":"advantages-of-fbg-sensors","status":"publish","type":"product","link":"https:\/\/www.sylex.sk\/sk\/produkt\/advantages-of-fbg-sensors\/","title":{"rendered":"Advantages of FBG sensors"},"content":{"rendered":"\t\t
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Sensing systems based on FBG technology have numerous advantages compared to conventional electrical sensors.<\/p>

The sensor itself acts as a passive component in the sensing network allowing the integration of the sensing system and sensor even inside explosive environments where any electrical signal or sparking is prohibited.<\/p>

Fiber optic sensors use light as the signal carrier, rather than electric current as in conventional sensors, which renders them immune to interference from electrostatic, electromagnetic and radio sources. The sensor can also be exposed to extreme temperatures and operate in harsh environments.<\/p>

Data transfer via fiber optics is already a standard in the telecommunication industry due to its wide broadband, low loss and the ability to carry the signal over long distances without needing an amplifier. Sensing systems based on FBG technology use this reliable medium to carry data acquired from both the sensors and the sensing element. The advantage of combining fiber optic technology with FBG technology is that it provides long term stability to the sensor and removes the need to recalibrate over time. The sensing element in FBG based sensors has very small dimensions and therefore our sensors can be customized and mounted on structures with minimal modification or effect on the structure\u2019s behavior<\/p>

Electrical sensors require a dedicated channel and cable for each sensor in order to acquire data, leading to very complex solutions when monitoring large structures. With sensors based on FBG technology, multiplexing allows many tens of FBGs to be integrated in a single optical fiber. Each grating can act as an independent sensing element, which greatly simplifies large structure monitoring. This generates significant installation cost and time savings. In addition all of the fibers can be connected to a single read-out unit (FBG interrogator).<\/p>

An FBG sensing element is capable of measuring strain and temperature. Using different transducer mechanisms they are able to measure several other physical quantities, like; pressure, displacement, force, load, acceleration, inclination, etc.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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FEATURES<\/th>\nFIBRE OPTIC<\/th>\nELECTRIC<\/th>\n<\/tr>\n<\/thead>\n
EM-radiation<\/td>\nImmune<\/td>\nEM-sensitive<\/td>\n<\/tr>\n
Lightning\u00a0\u00a0\u00a0\/ electric discharge<\/td>\nLightning\u00a0\u00a0\u00a0and discharge proof<\/td>\nMay\u00a0\u00a0\u00a0cause damage or complete failure<\/td>\n<\/tr>\n
Electric conductivity<\/td>\nNon-conductive and hence no special precautions needed for\u00a0\u00a0\u00a0outdoor use or usage under water<\/td>\nAll wiring needs to be hermetically sealed for outdoor use or\u00a0\u00a0\u00a0usage under water<\/td>\n<\/tr>\n
Explosion\u00a0\u00a0\u00a0Safety<\/td>\nSpark-free\u00a0\u00a0\u00a0and hence safe in potentially explosive atmospheres<\/td>\nHazardous\u00a0\u00a0\u00a0in explosive atmospheres<\/td>\n<\/tr>\n
Measurement distance<\/td>\nUp to tens of kilometers<\/td>\nLimited in range without any additional amplification<\/td>\n<\/tr>\n
Multiplexing<\/td>\nPossible\u00a0\u00a0\u00a0to multiplex,\ni.e. multiple sensors can be allocated within the same optical fiber<\/td>\nNo\u00a0\u00a0\u00a0multiplexing capability in series configuration<\/td>\n<\/tr>\n
Weight<\/td>\nLow in weight: fibers are lightweight and number of cables can\u00a0\u00a0\u00a0be limited<\/td>\nBecomes heavy for large numbers of sensors because of the copper\u00a0\u00a0\u00a0wiring<\/td>\n<\/tr>\n
Installation\u00a0\u00a0\u00a0and Sensor Read-out<\/td>\nFast\u00a0\u00a0\u00a0(< 20 \u2018 per sensor)\nEasy (can be done by non-experts; no extra wiring required)<\/td>\nTime\u00a0\u00a0\u00a0consuming (extra wiring)\nRequires skilled and experienced workers<\/td>\n<\/tr>\n
Fatigue resistance<\/td>\nExcellent fatigue resistance:\nnegligible effects for at least 2 million cycles for +\/- 0.24 % straining<\/td>\nSimilar performance not possible with electrical gages<\/td>\n<\/tr>\n
Price\u00a0\u00a0\u00a0(sensor + read-out)<\/td>\nBecomes\u00a0\u00a0\u00a0more cost-effective for more sensors. Break-even point already for 20 sensors<\/td>\nPrice\u00a0\u00a0\u00a0scales linearly with the number of sensors since every sensor needs a\u00a0\u00a0\u00a0separate read-out channel<\/td>\n<\/tr>\n
Other Temperature Induced Effects<\/td>\nNone<\/td>\nResistive heat generation resulting into measurement errors.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t<\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\tDownload PDF version<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Sensing systems based on FBG technology have numerous advantages compared to conventional electrical sensors.<\/p>\n

Fiber optic sensors use light as the signal carrier, rather than electric current as in conventional sensors, which renders them immune to interference from electrostatic, electromagnetic and radio sources. The sensor can also be exposed to extreme temperatures and operate in harsh environments.<\/p>\n","protected":false},"featured_media":10281,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[405,539],"product_tag":[404],"class_list":{"0":"post-14500","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-snimace-a-snimacie-systemy","7":"product_cat-technologia","8":"product_tag-telekomunikacie","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"acf":[],"yoast_head":"\nAdvantages of FBG sensors - Sylex<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sylex.sk\/sk\/produkt\/advantages-of-fbg-sensors\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Advantages of FBG sensors - Sylex\" \/>\n<meta property=\"og:description\" content=\"Sensing systems based on FBG technology have numerous advantages compared to conventional electrical sensors. 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