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Rango de temperatura del sensor de temperatura de rejilla de Bragg de fibra de femtosegundos - Rango de temperatura: Resistencia a altas temperaturas hasta 600°C, Resistencia a bajas temperaturas hasta -200°C - Termómetro FBG

This article introduces the operating Rango de temperatura del OFSCN® 500°C Capillary Seamless Steel Tube Fiber Bragg Grating Temperature Sensor (FBG Thermometer), including its maximum high-temperature and low-temperature resistance values. It also discusses the determination method and principles of the operating temperature range of fiber Bragg grating temperature sensors, including the stainless steel material and femtosecond fiber bragg grating used.

El rango de temperatura de funcionamiento de los sensores de rejilla de Bragg de fibra está determinado principalmente por la rejilla de Bragg de fibra y el material de encapsulado del sensor. Por lo tanto, el análisis debe realizarse desde estos dos aspectos.

1.  Funcionamiento Rango de temperatura del Material de encapsulado para OFSCN® 500°C Capillary Seamless Steel Tube Fiber Bragg Grating Temperature Sensor (FBG Thermometer)

The OFSCN® 500°C Capillary Seamless Steel Tube Fiber Bragg Grating Temperature Sensor (FBG Thermometer) by DCYS adopts a unique patented packaging technology using seamless stainless steel tubes. The structure is minimalist, without adhesives or Otros auxiliary materials, consisting only of fiber bragg gratings (FBG) and stainless steel seamless tubes. Therefore, the determination of its operating range only requires analysis of the fiber bragg grating (FBG) and stainless steel materials.

 

Conector de fibra del sensor FBG de tubo capilar de acero sin costura OFSCN® Estructura principal del sensor FBG de tubo capilar de acero sin costura OFSCN®

Figura 1

Figura 2


For the OFSCN® 500°C Capillary Seamless Steel Tube Fiber Bragg Grating Temperature Sensor (FBG Thermometer), the working temperature range in the low-temperature region at the measurement point is -200°C, and in the high-temperature region, it has a long-term Rango de temperatura de funcionamiento de +350°C and a short-term Rango de temperatura de funcionamiento de +550°C. In practical measurements, customers have achieved temperatures of up to +600°C within shorter periods.

2. Rango de temperatura de funcionamiento de FBG de femtosegundos para OFSCN® 500-degree Celsius Capillary Seamless Steel Tube Femtosecond FBG Temperature Sensor (FBG Thermometer)

Este modelo de producto utiliza fibra con recubrimiento de poliimida dopada, y la temperatura de trabajo a largo plazo de la fibra de poliimida es generalmente de alrededor de +500°C, con un rango de temperatura de trabajo a corto plazo de hasta +600°C.

The OFSCN® 500°C Capillary Seamless Steel Tube Fiber Bragg Grating Temperature Sensor (FBG Thermometer) internally encapsulates femtosecond laser-written fiber bragg gratings (Femtosecond FBG). Due to the use of doped polyimide fiber, the FBG will degrade above 600°C. In this configuration, the stainless steel's temperature resistance is not the limiting factor; it is the degradation temperature characteristic of the femtosecond laser-written fiber bragg grating (Femtosecond FBG) that becomes the limitation.

Femtosegundo FBG utilizado en el sensor FBG de tubo capilar de acero sin costura OFSCN®

Figura 3

Cadena/matriz de FBG de femtosegundo utilizada en el sensor FBG de tubo capilar de acero sin costura OFSCN®
Figura 4

Based on final testing, the OFSCN® 500°C Capillary Seamless Steel Tube Fiber Bragg Grating Temperature Sensor (FBG Thermometer) has a low-temperature Rango de temperatura de funcionamiento de -200°C, a long-term high-temperature Rango de temperatura de funcionamiento de +500°C, and a short-term high-temperature Rango de temperatura de funcionamiento de +600°C. It can be repeatedly used at temperatures up to +600°C (continuous usage in a +500°C environment). It should be further clarified that the high-temperature range is based on actual measurements, while the low-temperature range is theoretical.

Diagrama físico del sensor de temperatura/deformación/tensión FBG de tubo capilar de acero sin costura OFSCN®
Figura 5

Our philosophy is: 'OFSCN®, make optical fiber stronger!'

  • DCYS is a professional manufacturer of 500°C Fiber Bragg Grating Temperature Sensors, providing information on the Funcionamiento temperature range, temperature measurement range, and applicable environment of 500°C FBG Temperature Sensors; the brand of 500°C FBG Temperature Sensors is 'OFSCN'.

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