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Mr. Felix Heck
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Products and innovations

Fiber optic LHD N45-Series

Fiber optic LHD N45-Series
Innovation

The last year launched fiber optic LHD N45-Series boasts the longest certified distance range on the market, with up to 16 kilometre and four channels for all distance ranges. It is intuitive to use with a fully integrated web server offering simple configuration via browser, one-click validation of compliance configuration settings, 2000 configurable alarm zones per channel and up to 98 integrated relay contacts. Additionally, the system offers a cost-effective solution that is easy to install, low maintenance, immune to electromagnetic interference (EMI), and provides precise location and monitoring of fire events.

Safety and system reliability are a key feature of the new LHD system, with an MTBF of 35 years, extensively tested rugged housing design, state-of-the-art IT security standards, and benchmark levels of quality. The system offers the most complete set of type tests and certifications on the market including EN54-22 (VdS), UL 521 (UL), CAN/ULC-S530, SIL-2, and ATEX and IECEx for critical areas.

Product range

Application areas

  • Tunnels, metros, car parks
  • Conveyor belts
  • Photovoltaic (PV) installations
  • Battery storage power stations
  • Cable trays and transformers
  • Tank farms, coal storage
  • Production areas, food industry
  • Power plants
  • Refineries and chemical plants
  • Warehouses and freezers
Company news

Fiber Optic LHD N45-Series – GIT SECURITY AWARD 2025 Finalist Shortlist Highlight

Fiber Optic LHD N45-Series – GIT SECURITY AWARD 2025 Finalist Shortlist Highlight

We are thrilled to announce that AP Sensing’s Fiber Optic LHD N45-Series has been nominated as a GSA25 Finalist Shortlist Highlight. Our product has been recognized in the "Fire Protection" category by an independent jury, including representatives from BHE, TÜV, VDMA, ZVEI, integrators and end users.  The new N45 LHD-Series offers a longest certified distance range with of up to 16 km and 4 channels for all distance ranges. Each measurement channel can be divided into up to 2,000 zones with up to 5 individual alarm criteria per zone.

Find out more: https://git-sicherheit.de/de/produkte/ap-sensing-linearer-waermemelder-n45-lhd-serie-gsa25-finalist-shortlist-highlight

Company profile

AP Sensing is a leading provider of distributed fiber optic solutions (DFOS) for monitoring critical infrastructure applications. A blazing fire can have devastating consequences, which is why our Linear Heat Detection (LHD) solution provides fast and reliable heat/fire monitoring for application areas such as:

 

  • Tunnels, metros, car parks
  • Conveyor belts
  • Photovoltaic (PV) installations
  • Battery storage power stations
  • Cable trays and transformers
  • Tank farms, coal storage
  • Production areas, food industry
  • Power plants
  • Refineries and chemical plants
  • Warehouses and freezers

Our Distributed Acoustic Sensing (DAS) solution detects, monitors and classifies Third Party Intrusion (TPI) events in secure areas such as:

  • Borders
  • Airports and transportation hubs
  • High-risk sites
  • Pipelines
  • Military installations and more

Utilizing fiber optic Linear Heat Detection (LHD) and Acoustic Sensing (DAS) technology, we deliver technologically advanced hardware and software solutions that improve operational efficiency, enhance public safety, and enable timely situational response. With a solution that offers maximum reliability even under severe conditions (including dust, corrosion, high humidity, extreme temperature changes and explosive environments), we support our global customers in creating their customized project planning.

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