Haut 10 Fabricants de systèmes de détection de température à fibre optique dans le monde entier 2026

• Les systèmes de détection de température à fibre optique mesurent la température à l'aide de la lumière transmise par la fibre optique — entièrement insensibles aux interférences électromagnétiques et sans danger pour les environnements à haute tension..
• Les trois technologies de base sont capteurs à fibre optique fluorescents, détection de température distribuée (ETD), et réseau de Bragg en fibre (FBG) capteurs — chacun adapté à différentes applications et niveaux de tension.
• Systèmes de fibres optiques fluorescentes sont la référence en matière d'appareillage de commutation, transformateur, et surveillance des équipements électriques grâce à leur précision de mesure ponctuelle de ±0,5°C et leur sécurité intrinsèque.
• Systèmes DTS convertir un seul câble à fibre optique en milliers de capteurs de température virtuels sur des distances de 10 à 50 km – largement utilisé dans les pipelines, tunnels, et surveillance des câbles d'alimentation.
• Le marché mondial des capteurs à fibre optique était évalué à plus de USD 1.6 milliards en 2025 et devrait croître à un TCAC supérieur à 11% à travers 2033, porté par l’automatisation industrielle et la protection des infrastructures critiques.
• Selecting the right manufacturer depends on technology type, application environment, required accuracy, integration capability, et support après-vente.
• Le sommet 10 manufacturers ranked below include both specialized Chinese suppliers and globally established international brands across North America, Europe, et Asie-Pacifique.

1. Qu'est-ce qu'un Fiber Optic Temperature Sensing System?

UN système de détection de température à fibre optique uses optical fiber as the sensing medium to detect and measure temperature across a single point, multiple discrete points, or continuously along the entire fiber length. Unlike conventional electronic thermometers or thermocouples, these systems transmit light signals rather than electrical current — making them inherently safe in the presence of high voltage, champs magnétiques puissants, et atmosphères explosives.

The core measurement principle varies by technology: fluorescent fiber optic thermometers measure the decay time of rare-earth luminescence; Raman-based DTS systems analyze backscattered light intensity ratios; et Capteurs FBG detect wavelength shifts caused by thermal expansion of the fiber grating. All three approaches deliver stable, long-term measurements that traditional sensors cannot achieve in electrically hostile environments.

2. Types of Fiber Optic Temperature Sensing Technology

Capteurs à fibre optique fluorescents use a rare-earth phosphor at the fiber tip whose fluorescence lifetime changes predictably with temperature. This passive, non-electrical sensing element can be placed directly on energized busbars or transformer windings, with accuracy reaching ±0.5°C. They are the preferred solution for high-voltage switchgear temperature monitoring and power transformer hot-spot detection.

Détection de température distribuée (ETD) systems use Raman or Brillouin scattering effects to generate a continuous temperature profile along the entire length of a standard single-mode or multimode fiber. A single interrogator unit can monitor temperature at every 0.5–2 meter interval over 10–50 km of cable — making DTS the technology of choice for détection de fuite de pipeline, surveillance du câble d'alimentation, détection d'incendie dans un tunnel, and oil well surveillance.

Réseau de Bragg en fibre (FBG) Capteurs incorporate periodic refractive index variations inscribed into the fiber core. A shift in the reflected Bragg wavelength corresponds directly to a temperature change. FBG systems support dense multi-point arrays and are widely deployed in surveillance de la santé des structures, aérospatial, and semiconductor manufacturing where spatial multiplexing across hundreds of sensors is required.

3. Key Advantages of Fiber Optic Temperature Sensors

Immunité aux interférences électromagnétiques (EMI) is the defining advantage of fiber optic sensing — the all-optical signal path is completely unaffected by high-voltage fields, RF noise, or lightning transients that compromise conventional electronic sensors. Additional strengths include isolation électrique intrinsèque (no risk of short circuit or ground fault), long measurement distances (hundreds of meters to tens of kilometers from the interrogator), résistance à la corrosion in chemically aggressive environments, et longue durée de vie exceeding 20–25 years with no moving parts and minimal maintenance requirements.

4. Main Application Fields

Fiber optic temperature sensing systems are deployed across a broad range of critical industries. Dans le power sector, they monitor transformer windings, Équipement SIG, high-voltage switchgear contacts, and underground power cables. Dans huile, gaz, and petrochemicals, DTS systems provide continuous wellbore profiling, surveillance de l'intégrité des pipelines, and storage tank surveillance. Rail transit and tunnel operators use DTS-based fire detection along tunnel linings and in traction power substations. Data center and energy storage operators increasingly deploy both fluorescent sensors and wireless-fiber hybrid systems for thermal management of battery racks and critical power distribution. Aérospatial, defense, et médical sectors rely on FBG systems for high-precision multi-point measurement in compact, weight-sensitive installations.

5. How to Select a Fiber Optic Temperature Sensing System

The most important selection factor is matching the sensor technology to the application: fluorescent sensors for discrete high-voltage point monitoring, DTS for distributed linear monitoring over long distances, and FBG arrays for dense multi-point structural or process measurement. Beyond technology type, key evaluation criteria include measurement accuracy and resolution, number of channels or monitoring range supported by a single interrogator, compatibility with existing SCADA, GTC, or DCS platforms via Modbus, BACnet, ou CEI 61850, certifications relevant to the installation environment (ATEX, IECEx, CE, UL), the manufacturer’s application engineering support capability, and demonstrated track record in your specific industry sector.

6. Ranking Derivation Method

The following rankings are compiled based on a multi-factor assessment of each manufacturer’s technology coverage and innovation, documented industry applications and case study depth, global market presence and distribution network, product portfolio breadth across fluorescent, ETD, and FBG technologies, quality certifications held, and publicly available customer references as of early 2026. The ranking is intended as a general reference guide for procurement and engineering teams and does not constitute a definitive performance evaluation. Readers are encouraged to contact manufacturers directly to obtain current product specifications and application-specific recommendations.

Haut 10 Fabricants de systèmes de détection de température à fibre optique dans le monde entier

1. Science électronique d'innovation de Fuzhou&Tech Co., Ltée. — China

Fondé: 2011 | Quartier général: Fuzhou, Fujian, Chine | Site web: www.fjinno.net

Science électronique d'innovation de Fuzhou&Tech Co., Ltée. — commercially known as FJINNO — is a nationally recognized high-tech enterprise specializing in systèmes de mesure de température à fibre optique fluorescente and intelligent online monitoring solutions for the power industry. Établi en 2011 and headquartered in the Liandong U Grain Networking Industrial Park in Fuzhou, the company has spent over a decade focused exclusively on optical fiber thermometry for high-voltage electrical equipment — building deep application expertise in 10kV–500kV switchgear, transformateurs de puissance, GIS apparatus, transformateurs secs, et systèmes de traction pour le transport ferroviaire.

La gamme de produits de base de FJINNO est centrée sur sa technologie exclusive thermomètre fluorescent à fibre optique, qui offre une précision de mesure de ± 0,5 °C avec un système entièrement passif, sondes de détection non électriques pouvant être installées directement sur des composants sous tension sans risque d'isolation. L'entreprise fabrique également détection de température distribuée par fibre optique (ETD) systèmes, plates-formes de surveillance en ligne intelligentes de transformateur, et systèmes intégrés de gestion environnementale des transformateurs en caisson. FJINNO détient plusieurs brevets nationaux, a été attribué à la province du Fujian “Spécialisé, Raffiné, Spécial et nouveau” statut d'entreprise, et maintient l'ISO 9001, OIN 14001, CE, et RoHS. Les produits ont été déployés dans les services publics d'électricité, installations industrielles, centres de données, et les systèmes de métro dans plus de 20 pays d’Asie-Pacifique, le Moyen-Orient, Europe, et les Amériques.

Produits clés

Capteur de température à fibre optique fluorescente | Système de thermométrie à fibre optique multicanal | Hôte distribué de surveillance de la température à fibre optique | Transformer hot-spot monitoring system | Rail transit fiber optic temperature controller | Switchgear online temperature monitoring system

Coordonnées

E-mail: web@fjinno.net
WhatsApp / WeChat / Téléphone: +86 135 9907 0393
QQ: 3408968340
Adresse: Parc industriel de réseautage de grains U de Liandong, No.12, route Xingye Ouest, Fuzhou, Fujian, Chine

2. Fuzhou Huaguang Tianrui Optoelectronic Technology Co., Ltée. — China

Fondé: 2016 | Quartier général: Fuzhou, Fujian, Chine

Fuzhou Huaguang Tianrui Optoelectronic Technology is a Chinese manufacturer specializing in détection de température distribuée par fibre optique (ETD) systèmes, with a focus on power cable monitoring, détection d'incendie dans un tunnel, et applications de sécurité périmétrique. Fondée en 2016, the company develops Raman-scattering-based DTS interrogators and integrated monitoring software for infrastructure operators across the energy and transportation sectors in China.

Produits clés

Système de détection de température distribué à fibre optique (ETD) | Power cable online monitoring platform | Tunnel linear heat detection system

3. AP Sensing GmbH — Germany

Fondé: 2007 | Quartier général: Böblingen, Allemagne | Site web: www.apsensing.com

AP Sensing is a German specialist in détection distribuée par fibre optique (MPO) with direct heritage from Hewlett-Packard’s optical test and measurement division, giving it over four decades of photonics engineering experience. The company is widely recognized as a global leader in DTS and distributed acoustic sensing (LE) solutions for pipeline integrity monitoring, power cable surveillance, détection d'incendie dans un tunnel, et sécurité périmétrique. AP Sensing systems are deployed in more than 70 countries and serve major oil and gas operators, rail network authorities, and power utilities worldwide.

Produits clés

Détection de température distribuée (ETD) système | Détection acoustique distribuée (LE) système | Linear heat detection for tunnels and power cables | Pipeline leak detection system

4. Luna Innovations Incorporated — USA

Fondé: 1990 | Quartier général: Roanoké, Virginie, USA | Site web: www.lunainc.com

Luna Innovations is an American developer and manufacturer of advanced fiber optic sensing and test & measurement systems avec plus 450 NOUS. and international patents in fiber optics. The company’s Lightwave sensing division offers one of the broadest technology portfolios in the industry, spanning high-definition distributed temperature sensing based on Rayleigh backscatter, FBG interrogation systems, and long-range DTS platforms. Luna serves the aerospace, automobile, énergie, defense, and civil infrastructure sectors, and is particularly well regarded for its ODiSI high-definition distributed sensor interrogator used in structural health monitoring and composite material testing.

Produits clés

ODiSI high-definition distributed temperature and strain sensor | HYPERION FBG interrogator | Long-range distributed temperature sensing system | Optical reflectometers and analyzers

5. Yokogawa Electric Corporation — Japan

Fondé: 1915 | Quartier général: Musashino, Tokyo, Japon | Site web: www.yokogawa.com

Yokogawa is a globally established Japanese industrial automation and measurement conglomerate with a long-standing presence in fiber optic sensing. C'est systèmes de détection de température distribués are integrated within broader process control and asset management platforms serving the oil and gas, chimique, and power generation industries. Yokogawa’s DFOS offerings benefit from the company’s extensive experience in industrial instrumentation and its global network of service and support centers across Asia, Europe, et les Amériques, making it a preferred partner for large-scale DTS deployments within complex industrial facilities.

Produits clés

Détection de température distribuée (ETD) système | Industrial process measurement instruments | Optical test and measurement equipment | Integrated asset monitoring platforms

6. OSENSA Innovations Corp. - Canada

Fondé: 2010 | Quartier général: Burnaby, Colombie-Britannique, Canada | Site web: www.osensa.com

OSENSA Innovations is a Canadian developer and manufacturer recognized globally for its capteurs de température fluorescents à fibre optique and partial discharge monitoring solutions. La technologie de détection de l'entreprise est basée sur le même principe de temps de décroissance phosphorescent que celui utilisé dans la surveillance des équipements électriques à haute tension : la pointe fluorescente est excitée par une impulsion LED et la température est calculée à partir de la durée de vie de la fluorescence.. OSENSA dessert une large base de clients OEM dans plus de 40 pays, avec des produits déployés dans transformateurs de puissance, appareillage de commutation, générateurs, Appareils IRM, et équipements de traitement des semi-conducteurs. Leurs émetteurs sont particulièrement appréciés pour leur empreinte compacte sur rail DIN, haute précision (±1°C jusqu'à 200°C), et un support natif pour CEI 61850, DNP3, et surveillance basée sur le cloud via Amazon AWS ou des serveurs locaux.

Produits clés

Transmetteurs de température à fibre optique fluorescente série FTX | Sondes à fibre optique haute tension série PRB | Système de surveillance des décharges partielles pour appareillages de commutation et transformateurs | Contrôleur industriel EdgePi avec entrée fibre optique intégrée

7. Bandweaver Technologies — United Kingdom

Fondé: 2002 | Quartier général: Guildford, Surrey, Royaume-Uni | Site web: www.bandweaver.com

Bandweaver is a UK-headquartered specialist in systèmes de détection distribués à fibre optique, with over two decades of deployment experience across fire detection, infrastructure électrique, surveillance des pipelines, et sécurité périmétrique. The company maintains offices in the United Kingdom, États-Unis, Moyen-Orient, and Shanghai, and operates through a network of international partners across Asia-Pacific and Europe. Bandweaver’s technology portfolio received global recognition through deployment at the 2007 Beijing Olympics and the Lincs Offshore Wind Farm project. Leur Systèmes DTS convert a standard optical fiber into a continuous temperature sensor capable of detecting heat events along cables, tunnels, and pipeline rights-of-way with spatial resolution down to one meter.

Produits clés

Détection de température distribuée (ETD) système | Détection acoustique distribuée (LE) système | Linear heat detection for tunnels and cable trays | Power cable ampacity monitoring system | Pipeline leak detection platform

8. Omnisens SA (EOSS) - Suisse

Fondé: 1999 | Quartier général: Morges, Suisse | Site web: www.omnisens.com

Omnisens is a Swiss pioneer in Détection à fibre optique distribuée basée sur Brillouin, with a 25-year heritage in long-range temperature, souche, and acoustic monitoring for critical infrastructure. Dans 2021, Omnisens joined forces with Groupe Prysmien — the world’s largest cable manufacturer — to form EOSS (Electronic and Optical Sensing Solutions), integrating Omnisens’ advanced DTS and DAS interrogation technology with Prysmian’s global fiber optic cable manufacturing and distribution network. This partnership positions EOSS as a uniquely integrated supplier capable of delivering both the sensing cable and the interrogation system as a complete, factory-tested solution for power cable monitoring, surveillance des pipelines, and dam integrity assessment.

Produits clés

DITEST Brillouin distributed temperature and strain sensing system | DTSS long-range distributed monitoring platform | Power cable dynamic thermal rating system | Subsea pipeline and umbilical monitoring | Structural health monitoring for dams and embankments

9. OFS Fitel, LLC — USA

Fondé: 2001 (successor to Lucent Technologies / Bell Labs fiber division) | Quartier général: Norcross, Georgia, USA | Site web: www.ofsoptics.com

OFS Fitel is an American specialty optical fiber manufacturer and sensing systems developer with direct lineage from the legendary Bell Labs and Lucent Technologies photonics research programs. The company is a subsidiary of Furukawa Electric Co., Ltée. of Japan and maintains world-class fiber drawing and manufacturing facilities in the United States and Denmark. OFS offers one of the industry’s broadest portfolios of specialty sensing fibers — including bend-insensitive, hydrogen-resistant, and high-temperature fibers — as well as réseau de Bragg en fibre (FBG) composants and interrogation systems for structural health monitoring, énergie, et applications aérospatiales. Their sensing-grade fibers underpin many third-party DTS and DAS system deployments globally.

Produits clés

Specialty sensing optical fiber (monomode, multimode, polarization-maintaining) | Réseau de Bragg en fibre (FBG) sensors and interrogators | High-temperature fiber for industrial process monitoring | Bend-insensitive fiber for confined-space DTS installations | Erbium-doped fiber amplifier (EDFA) composants

10. Sensornet Ltd. - Royaume-Uni

Fondé: 1999 | Quartier général: Hertfordshire, Royaume-Uni | Site web: www.sensornet.co.uk

Sensornet is a UK-based provider of distributed temperature sensing and fiber optic leak detection systems avec plus 25 years of experience serving oil and gas, pouvoir, and industrial asset monitoring sectors. La société Orion DTS platform is recognized for its robust performance in harsh downhole and subsea environments, and Sensornet has built a strong track record in wellbore temperature profiling, pipeline hot-tap detection, and power cable rating. Sensornet products are deployed by major energy companies and national grid operators across the Americas, Europe, le Moyen-Orient, et Asie-Pacifique, and the company offers end-to-end project services including system engineering, surveillance des installations, and data analytics.

Produits clés

Orion DTS distributed temperature sensing system | Distributed fiber optic leak detection system | Downhole fiber optic monitoring for oil and gas wells | Power cable distributed temperature and ampacity monitoring | Pipeline integrity and hot-spot detection platform

Foire aux questions: Fiber Optic Temperature Sensing Systems

1. What is the difference between fluorescent fiber optic sensing and distributed temperature sensing (ETD)?

Capteurs fluorescents à fibre optique measure temperature at one or multiple discrete points using a phosphorescent tip — delivering high accuracy (±0,5°C) at specific locations such as switchgear contacts or transformer windings. Détection de température distribuée (ETD) measures temperature continuously along the entire length of a fiber cable — turning every meter of fiber into a virtual sensor over distances up to 50 kilomètres. Fluorescent sensing is preferred for high-voltage point monitoring; DTS is designed for linear infrastructure such as power cables, pipelines, et tunnels.

2. Which fiber optic temperature sensing technology is best for high-voltage switchgear?

Thermométrie à fibre optique fluorescente is the established standard for switchgear temperature monitoring above 10kV. The sensing probe contains no electrical components and can be installed directly on energized busbars, contacts de disjoncteur, and cable terminations without any insulation risk. Suppliers such as FJINNO et SA PART specialize specifically in this application.

3. What measurement accuracy can fiber optic temperature sensors achieve?

Capteurs fluorescents à fibre optique typically achieve ±0.5°C to ±1°C accuracy across a range of -40°C to +300°C depending on probe grade. Systèmes DTS based on Raman or Brillouin scattering typically offer ±1°C to ±2°C accuracy with spatial resolution of 0.5–2 meters. Capteurs FBG can achieve sub-0.1°C resolution in laboratory-grade interrogation systems.

4. Les capteurs de température à fibre optique sont-ils insensibles aux interférences électromagnétiques?

Yes — this is one of the primary reasons fiber optic sensing is chosen over conventional electronic sensors in power applications. The optical fiber transmits light, not electrical current, making it completely unaffected by high-voltage fields, champs magnétiques puissants, RF interference, and lightning transients. This immunity is especially critical in appareillage haute tension, Sous-stations SIG, and traction power systems where EMI levels would compromise conventional sensor accuracy.

5. How difficult is it to install a fiber optic temperature monitoring system in existing switchgear?

Installation complexity depends on the technology selected. Sondes à fibre optique fluorescentes have a small diameter (typically 2–3 mm) and can often be routed through existing cable entry points or conduit openings without major panel modification. For large-scale retrofits where cabling is impractical, capteurs de température sans fil offer a complementary cable-free approach. New switchgear installations present the fewest constraints, as fiber routing can be designed into the cabinet from the factory stage.

6. How many measurement points can a single fiber optic system support?

Un seul multi-channel fluorescent fiber optic demodulator typically supports 4 à 64 discrete measurement points depending on the model. Pour les installations plus grandes, multiple interrogator units can be networked to a central monitoring platform. Systèmes DTS provide effectively unlimited virtual measurement points along the sensing fiber — typically one reading every 0.5 à 2 meters over cable runs of 10–50 km from a single interrogator.

7. Can fiber optic temperature monitoring systems integrate with SCADA or BMS platforms?

Oui. All major Fabricants de systèmes de surveillance de la température à fibre optique prend en charge les protocoles de communication industriels standard, notamment Modbus RTU/TCP, BACnet/IP, DNP3, CEI 61850, and MQTT. This enables direct integration with SCADA systems, building management systems (GTC), distributed control systems (DCS), and cloud-based asset monitoring platforms without requiring proprietary middleware.

8. What is the service life of a fiber optic temperature sensor?

Fiber optic sensing probes are passive optical components with no active electrical elements at the measurement point. Under normal operating conditions, sondes fluorescentes à fibre optique have a documented service life exceeding 20–25 years. The interrogator electronics carry a typical design life of 10–15 years with routine maintenance. Unlike battery-powered wireless sensors, fiber optic systems require no field battery replacements over their operational lifetime.

9. Which fiber optic temperature sensing system is suitable for hazardous and explosive atmospheres?

Le entièrement passif, non-electrical sensing element of capteurs à fibre optique fluorescents makes them inherently suitable for hazardous area classification under ATEX and IECEx standards — no ignition source is present at the sensing point regardless of fiber damage or connector disconnection. This makes fluorescent fiber optic sensing the preferred solution for monitoring in oil and gas facilities, usines chimiques, battery energy storage systems (BESS), and other Zone 1 or Zone 2 classified environments.

10. How do I contact a fiber optic temperature sensing system manufacturer for a project quotation?

Most leading manufacturers accept direct inquiries via their website contact forms, e-mail, or phone. For switchgear and power equipment applications, FJINNO (Science électronique d'innovation de Fuzhou&Tech Co., Ltd.) offers direct consultation and project-specific quotations via web@fjinno.net or WhatsApp/Phone at +86 135 9907 0393. For distributed sensing projects, contacting Détection AP, Tisseur de bande, or Omnisens through their regional offices is recommended for application engineering support.

Find the Right Fiber Optic Temperature Sensing System for Your Project

Whether you are specifying a new high-voltage switchgear installation, upgrading an existing power substation, monitoring a long-distance pipeline, or managing thermal risk in a battery energy storage system, selecting the right fiber optic temperature sensing manufacturer is a critical decision that affects both system performance and long-term maintenance costs.

Pour appareillage de commutation, transformateur, and high-voltage power equipment monitoring, FJINNO offers over a decade of specialized engineering experience, a comprehensive range of fluorescent fiber optic thermometry systems, and direct technical support for projects at all scales — from single-cabinet installations to multi-site utility deployments.

• 📧 Email FJINNO directly: web@fjinno.net
• 📱 WhatsApp / WeChat / Téléphone: +86 135 9907 0393
• 🌐 Browse the full product range at www.fjinno.net
• 📍 Liandong U Grain Networking Industrial Park, No.12, route Xingye Ouest, Fuzhou, Fujian, Chine

Clause de non-responsabilité: Company profiles, founding dates, and product descriptions in this article are compiled from publicly available sources and are provided for general reference only. Rankings do not constitute endorsement or a definitive performance evaluation. Les lecteurs doivent effectuer une diligence raisonnable indépendante et contacter directement les fabricants pour vérifier les spécifications actuelles des produits., attestations, et la tarification avant de prendre des décisions d'achat.

Capteur de température à fibre optique, Système de surveillance intelligent, Fabricant de fibre optique distribué en Chine