Distributed Temperature Sensing For Fiber Optic Thermal Monitoring
At Dutco Tennant LLC, we supply a range of AP Sensing DTS systems across the Middle East and GCC region, enabling thermal monitoring of critical assets. Our decades of experience in industrial infrastructure projects help us address risks in power utilities, pipelines, oil & gas, and fire detection for factories, substations, transport hubs, and critical facilities.
Advanced distributed acoustic sensing system for real-time cable temperature monitoring, ensuring safety, early fault detection, and reliable asset protection, hotspot localization, leakage detection, and compliance support. Our temperature monitoring systems are trusted for resilient fiber optic thermal sensing against anomalies in harsh environments.
Continuous Real-Time Temperature Monitoring Solution
- Distributed Sensing - Converts optical fiber into continuous linear temperature sensor
- OTDR Measurement - Uses Raman or Brillouin backscatter analysis
- High Resolution - Measures temperature at 1 m intervals
- Long Range - Covers distances up to 70 km
- Hotspot Detection - Identifies abnormal thermal behavior early
- Full Profile Monitoring - Delivers complete thermal mapping along assets
- EMI Immunity - Stable performance in high electromagnetic environments
- Operational Continuity - Enables monitoring without interrupting processes
Competitive Advantages Of Our DTS Systems
- Range Capability - Up to 70km measurement on single fiber for extensive dts systems assets
- Spatial Resolution - Down to 0.5m at short distances for precise real time temperature monitoring localization
- Temperature Accuracy - Absolute Raman measurements ±0.5°C without strain cross-talk in fiber optic temperature sensing
- Response Time - As fast as 1 second updates for temperature monitoring system anomaly detection
- Signal Enhancement - Patented code correlation for 10x SNR over standard distributed temperature sensing systems
- Environmental Resilience - IP-rated, EX-safe operation from -185°C to +750°C
- Operational Reliability - 35-year MTBF supported by passive, power-free fiber along the sensing path
Types
Raman-OTDR DTS
These enable absolute temperature sensing for general temperature monitoring.
- Stokes/anti-Stokes ratio analysis
- Code correlation for high SNR
- Safe low-pulse power for EX zones
Brillouin-OTDR DTS
These systems are ideal for long-range temperature with strain decoupling.
- Frequency shift measurement
- Stronger backscattering for >70km
- Simultaneous temp/strain (DTSS) option
eDTS (Enhanced DTS)
This is a hybrid model of DTS systems + DAS system for temperature and acoustic monitoring requirements.
- Raman for absolute temp, DTGS for gradients
- 50km with ultra-fast response
- Leak/fire detection in pipelines
Standout Features & Benefits
Continuous Profile Measurement
- Localizes hotspots to 1m accuracy
- Enables early fault intervention
- Optimizes cooling and load management
EMI Immunity
- Reliable in high-electrical noise areas
- No corrosion or spark risks
- Simplifies installation in energized zones
High Sensitivity
- Detects minor changes for predictive maintenance
- Reduces false alarms via OT-specific processing
- Supports regulatory compliance reporting
Long Term Cost Efficiency
- Single fiber replaces thousands of sensors
- Low maintenance over decades
- Scalable for multi-site deployments
Application Areas
Power Cable Monitoring
- Protects HV cables from overload hotspots
- Rates dynamic load capacities
- Prevents failures in underground/subsea links
Pipeline Leak Detection
- Monitors oil/gas flow temperatures
- Localizes leaks via thermal anomalies
- Ensures rapid shutdown compliance
Tunnel Fire Detection
- Detects fires along linear infrastructure
- Provides early warning with location
- Supports ventilation and evacuation
