Develops and manufactures spatially distributed fiber optic sensing systems (DTS, DAS, DTSS, LHD) for monitoring critical infrastructure

AP Sensing GmbH

Böblingen (Headquarters) · Basingstoke · Manama · Singapore · Shanghai · Seoul · Houston · Mexico CityNew on Amplifa

2007Founded (HP/Agilent heritage of over 40 years)

8Locations worldwide (incl. Böblingen headquarters)

1,000+Projects in more than 70 countries

up to 2 × 100 kmDAS measurement range; DTS up to 70 km

< 0.5 mspatial resolution LHD/DTS

About AP Sensing

AP Sensing GmbH, headquartered in Böblingen, specializes in distributed fiber optic sensing (DFOS). The company develops and manufactures measurement systems for distributed temperature sensing (DTS), distributed acoustic sensing (DAS), distributed temperature and strain sensing (DTSS) and fiber optic linear heat detectors (LHD), complemented by fiber optic sensor cables, fiber-based power monitoring CAMOS and the SmartVision software with AI modules such as MLTA and eDTS. The technology is based on the OTDR principle (Raman, Brillouin and Rayleigh scattering) with proprietary code correlation technology; sensor cables are offered as FIMT, metal-free or stainless steel armored variants with FRNC/HDPE sheathing. Application areas include power grid monitoring (buried, submarine and overhead lines, busbars), pipeline and LNG terminal monitoring, fire detection in tunnels, production facilities and battery storage systems, geothermal energy, CCS, as well as railway and perimeter monitoring. The roots go back to the Hewlett-Packard heritage in optical measurement technology; AP Sensing was founded in 2007 via Agilent Technologies as an independent company. With more than 1,000 projects in over 70 countries, the company serves customers such as Sumitomo Electric, NordBalt and Eurotunnel; development and manufacturing take place in Germany in Böblingen.

Site: Böblingen
Processes: Distributed Temperature Sensing (DTS), Distributed Acoustic Sensing (DAS, C-OTDR), Fiber Optic Linear Heat Detector (LHD), Distributed Temperature & Strain Sensing (DTSS, B-OTDR), Fiber-Based Power Monitoring CAMOS (Optical Current Transformer), SmartVision Software incl. MLTA (Machine Learning Transient Alarm) and eDTS (DAS+DTS sensor fusion), Fiber Optic Sensor Cables (FIMT, metal-free, stainless steel armored, FRNC/HDPE sheathing), Concept & Design / Project Engineering / Commissioning (FAT, IFAT, SAT)
Materials: Singlemode optical fiber, Multimode optical fiber, Stainless steel armored sensor cable, Distributed Temperature Sensing (DTS), Distributed Acoustic Sensing (DAS), Distributed Temperature & Strain Sensing (DTSS), Fiber Optic Linear Heat Detector (LHD), Fiber-Based Power Monitoring CAMOS
Certificates: FAT/IFAT/SAT acceptance tests, In-house development & manufacturing, 365-day support & maintenance
Founded: 2007
Industries: Power grid monitoring (buried cables, submarine cables, overhead lines, busbars), Pipelines & LNG terminals, Oil & Gas, Carbon Capture & Storage (CCS), Geothermal energy, Fire detection (tunnels, production, solar parks, battery storage)

01
Consulting & Concept
02
System Design & Network Architecture
03
Development & Manufacturing of the Measurement Devices
04
Sensor Cable Selection & Qualification
05
System Integration & FAT/IFAT
06
Commissioning & SAT
07
Training & Operation
08
Support, Maintenance & Software Updates

Technologies & Materials

DTS

Distributed Temperature Sensing (DTS)

Raman-OTDR with code correlation for thermal monitoring of power cables, pipelines and tunnels with up to 70 km range.

DAS

Distributed Acoustic Sensing (DAS)

C-OTDR technology with a range of up to 2 × 100 km for leak, intrusion and PIG tracking detection.

DTSS

Distributed Temperature & Strain Sensing (DTSS)

Brillouin-based B-OTDR measurement of temperature and strain along several tens of kilometers of optical fiber.

LHD

Fiber Optic Linear Heat Detector (LHD)

Raman-based linear heat detector with spatial resolution below 0.5 m for fire protection applications.

CAMOS

Fiber-Based Power Monitoring CAMOS

Optical current sensors for continuous monitoring of high-voltage cables up to 80 kA.

SmartVision

SmartVision Software with MLTA & eDTS

AI/machine learning modules for detecting hidden hotspots and sensor fusion of DAS and DTS.

Singlemode Optical Fiber (G.652, G.655, G.657)

Standard and ULL optical fibers as the sensing medium for DAS and DTSS systems.

Multimode Optical Fiber (50 µm core)

Used in fiber optic sensor cables for temperature and heat detector applications.

FIMT

Fiber Optic Sensor Cables (FIMT, metal-free, stainless steel armored)

Sensor cables with FRNC/HDPE sheathing for harsh environments and EX-classified areas.

Locations

Böblingen

European Headquarters, Development & Manufacturing

Materials: Optical fiber, sensor cables, electronics

DTS N45 series
DTS N62 series
LHD N45 series
DTSS N62 series
CAMOS
SmartVision

Basingstoke

European Branch Office

Manama

Branch Office MEA Region & India

Singapore

Asia-Pacific Branch Office

Shanghai

China Branch Office

Seoul

AP Technologies (Branch Office/Partner)

Houston

AP Sensing Americas LP, North America

Mexico City

Latin America Branch Office

Products & Systems

**DTS N45 series (Distributed Temperature Sensing)**Raman-OTDR · Power Grid & Pipeline

**DAS N56 series (Distributed Acoustic Sensing)**C-OTDR · Infrastructure Monitoring

**LHD N45 series (Linear Heat Detector)**Raman-OTDR · Fire Detection

**DTSS N62 series (Temperature & Strain Sensing)**B-OTDR · Cable & Geothermal Monitoring

**SmartVision Software with MLTA/eDTS**AI/Machine Learning Analysis · Monitoring Control Centers

Inside the production

Engineering team monitoring pipeline infrastructure

On-site inspection and monitoring of critical pipeline infrastructure

Control center with real-time data from distributed fiber optic sensing

Monitoring of offshore wind farm infrastructure

Offshore platform – energy exploration and monitoring

Fiber optic fire detection system in an industrial environment

Railway monitoring with fiber optic sensing

High-speed data flow of fiber optic measurement technology

Industries

Power grid monitoring (buried cables, submarine cables, overhead lines, busbars)Pipelines & LNG terminalsOil & GasCarbon Capture & Storage (CCS)Geothermal energyFire detection (tunnels, production, solar parks, battery storage)Railway monitoringCritical infrastructure (perimeter, telecommunications, underwater)Energy explorationOil & Gas UpstreamFire detection (production, warehouses, tunnels, solar parks, battery storage)Critical infrastructure (borders, perimeter, telecommunications, underwater)Energy exploration & monitoring

Processes & technical limits

Processes	Tolerance	Max. part	Weight	Lot size	Materials
Distributed Temperature Sensing (DTS)Testing	–	several hundred km of optical fiber	–	–	Optical fiber (singlemode/multimode), fiber optic sensor cables
Distributed Acoustic Sensing (DAS, C-OTDR)Testing	–	up to 2 × 100 km	–	–	Optical fiber (G.652, G.655, G.657, ULL fibers)
Fiber Optic Linear Heat Detector (LHD)Testing	–	up to 10 km per system	–	–	Optical fiber sensor cables
Distributed Temperature & Strain Sensing (DTSS, B-OTDR)Testing	–	several tens of km	–	–	Standard singlemode optical fiber
Fiber-Based Power Monitoring CAMOS (Optical Current Transformer)Testing	Current measurement up to 80 kA short-circuit current	–	–	–	optical current sensors (optical fiber)
SmartVision Software incl. MLTA (Machine Learning Transient Alarm) and eDTS (DAS+DTS sensor fusion)Engineering	DTGS sensitivity in the millikelvin/s range	–	–	–	–
Fiber Optic Sensor Cables (FIMT, metal-free, stainless steel armored, FRNC/HDPE sheathing)Engineering	–	–	–	–	Polyacrylate coating, Polyimide coating, Metal coating, Silicone-PFA, Stainless steel
Concept & Design / Project Engineering / Commissioning (FAT, IFAT, SAT)Engineering	–	–	–	–	–

6 Anlagen & Maschinen

Machine	Manufacturer / model	Quantity	Working area	Year built	Site
DTS measuring device (Distributed Temperature Sensing)	AP Sensing DTS N45 series	–	Measurement range up to 70 km, spatial resolution 0.5 m, measurement time 1 s, MTBF 35 years	–	Böblingen (development & manufacturing in Germany)
DTS measuring device (long-range)	AP Sensing DTS N62 series	–	–	–	–
DAS measuring device (Distributed Acoustic Sensing)	AP Sensing DAS N56 series (or N51/N52 series)	–	Range up to 2 × 100 km (3P Vector Technology)	–	–
Linear Heat Detector (LHD)	AP Sensing LHD N45 series	–	spatial resolution < 0.5 m	–	–
DTSS measuring device (temperature & strain, B-OTDR)	AP Sensing DTSS N62 series	–	–	–	–
Evaluation unit for fiber-based power monitoring	AP Sensing CAMOS	–	Current measurement up to 80 kA	–	–

Additional services

ConsultingConcept & DesignProject Management & Project EngineeringSystem IntegrationCommissioningTrainingTechnical Support (365 days, remote & on-site)Maintenance & Software UpdatesFAT/IFAT/SATAnalysis and Evaluation of Sensor DataSmartVision SoftwareMLTA (Machine Learning Transient Alarm)eDTS (Enhanced Distributed Temperature Sensing)AI/Machine Learning Detection PatternsConnected Asset Platform (Edge/Cloud/SaaS)Data LakehouseDigital Monitoring TwinsSensor Cables (FIMT, metal-free, stainless steel armored)CAMOS fiber-based power monitoring

Reference customers

Sumitomo Electric (cooperation on HVDC submarine cable monitoring, 600+ km)NordBalt (submarine cable monitoring)Eurotunnel (protection of critical infrastructure)

Quality & Reliability

AP Sensing offers systems that are fully developed and manufactured in-house in Germany, with patented code correlation technology and a single-receiver design; the systems are accepted via FAT, IFAT and SAT and, with MTBF values of up to 35 years, deliver demonstrably reliable continuous operation.

Evidence	Böblingen
FAT/IFAT/SAT acceptance tests
In-house development & manufacturing
365-day support & maintenance

History

~1980
Roots in the Hewlett-Packard (HP) heritage in optical measurement technology – over 40 years of experience
2007
Founding of AP Sensing as an independent company via Agilent Technologies
2025
Expansion of the Böblingen headquarters with new office and laboratory space as well as a new brand identity (corporate design)