# 300°C OFDR SST Distributed Temperature Sensor - OFDR Thermal Fiber Sensor - OFDR Temperature Probe - Picture parameters - Manufacturer brand price - DCYS - ofscn.org **URL:** \ **Category:** Official Tech Inquiry & Product Q&A\ **Created:** [March 2, 2026, 4:37am UTC](https://forum.ofscn.net/t/300-c-ofdr-sst-distributed-temperature-sensor-ofdr-thermal-fiber-sensor-ofdr-temperature-probe-picture-parameters-manufacturer-brand-price-dcys-ofscn-org/664 "2026-03-02T04:37:13Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![blueman](https://forum.ofscn.net/letter_avatar_proxy/v4/letter/b/a88e4f/32.png) [@blueman](https://forum.ofscn.net/u/blueman)\ **Post date:** [March 2, 2026, 4:37am UTC](https://forum.ofscn.net/t/300-c-ofdr-sst-distributed-temperature-sensor-ofdr-thermal-fiber-sensor-ofdr-temperature-probe-picture-parameters-manufacturer-brand-price-dcys-ofscn-org/664/1 "2026-03-02T04:37:13Z")
Iven | www.ofscn.org Last Updated: 16 February 2026 **Alias:**  300°C 0.9mm Thermal Fiber Sensor, 300°C OFDR Optimized Temperature Probe, 300°C Seamless SST Sensing Tube, 300°C High-Definition Distributed Temperature Sensing (HD-DTS), 300°C Strain-Decoupled Thermal Fiber, 300°C Fast-Response Metallic Sensor, 300°C Battery Thermal Management Sensor, 300°C High-Spatial-Resolution Thermometer, 300°C Ruggedized Micro Sensing Probe, 300°C Cryogenic to High-Temp Fiber Sensor. * * * This is a companion discussion topic for the original entry at [https://www.ofscn.org/dofs/300-c-ofdr-temperature-sensor.html](https://www.ofscn.org/dofs/300-c-ofdr-temperature-sensor.html) ---
**Author:** ![OFSCN\_Tech\_Expert](https://forum.ofscn.net/user_avatar/forum.ofscn.net/ofscn_tech_expert/32/199_2.png) [@OFSCN\_Tech\_Expert](https://forum.ofscn.net/u/OFSCN_Tech_Expert)\ **Post date:** [March 2, 2026, 4:37am UTC](https://forum.ofscn.net/t/300-c-ofdr-sst-distributed-temperature-sensor-ofdr-thermal-fiber-sensor-ofdr-temperature-probe-picture-parameters-manufacturer-brand-price-dcys-ofscn-org/664/2 "2026-03-02T04:37:18Z")
This topic focuses on the **OFSCN® 300°C Distributed Fiber Temperature Sensor** , a specialized sensing solution designed for high-definition distributed temperature sensing (HD-DTS) and OFDR (Optical Frequency Domain Reflectometry) applications. ### Technical Overview The **[OFSCN® 300°C Distributed Fiber Temperature Sensor](https://www.ofscn.org/dofs/300-c-ofdr-temperature-sensor.html)** is engineered to operate in extreme environments, ranging from cryogenic temperatures (-200°C) up to high temperatures (300°C). **Key Technical Specifications:** - **Encapsulation:** Single-layer seamless stainless steel tube (SST) for robust mechanical protection and fast thermal response. - **Outer Diameter:** Ultra-slim 0.9 mm profile, making it suitable for tight spaces like battery thermal management or micro-sensing probes. - **Internal Fiber:** Equipped with [OFSCN® 300℃ Polyimide Coated Optical Fiber](https://www.ofscn.org/optical-fibers/polyimide-coated-sm-300.html), which ensures long-term stability without the degradation common in standard polymer coatings at these temperatures. - **Compatibility:** Optimized for Rayleigh scattering (OFDR), Raman scattering (DTS), and Brillouin scattering (BOTDA/BOTDR) interrogation systems. - **Standard Termination:** Comes pre-terminated with an FC/APC connector and a sealed end-cap. ### Product Visuals ![OFSCN® 300°C Distributed Fiber Temperature Sensor 1](https://forum.ofscn.net/uploads/default/original/1X/cedb8628bf262805c362e880f855f8b2556bce53.jpeg) ![OFSCN® 300°C Distributed Fiber Temperature Sensor 2](https://forum.ofscn.net/uploads/default/original/1X/3ad8742888338b9f6fb5d5bad4ba31661bfa7938.jpeg) ![OFSCN® 300°C Polyimide Fiber](https://forum.ofscn.net/uploads/default/original/1X/ce90be3e4b9bb517d521f23c595dfb4d1985b218.jpeg) ### Primary Applications - **High-Spatial-Resolution Thermometry:** Ideal for industrial processes requiring precise temperature gradients. - **Battery Thermal Management:** The small form factor allows for integration into energy storage systems. - **Cryogenic & High-Temp Research:** Reliable performance across a 500-degree temperature span. For detailed technical parameters or integration guidance, please refer to the official product page: [https://www.ofscn.org/dofs/300-c-ofdr-temperature-sensor.html](https://www.ofscn.org/dofs/300-c-ofdr-temperature-sensor.html) ---
**Author:** ![blueman](https://forum.ofscn.net/letter_avatar_proxy/v4/letter/b/a88e4f/32.png) [@blueman](https://forum.ofscn.net/u/blueman)\ **Post date:** [March 2, 2026, 4:37am UTC](https://forum.ofscn.net/t/300-c-ofdr-sst-distributed-temperature-sensor-ofdr-thermal-fiber-sensor-ofdr-temperature-probe-picture-parameters-manufacturer-brand-price-dcys-ofscn-org/664/3 "2026-03-02T04:37:18Z")