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SMOTEC450 smoke detector
New

Fast and reliable smoke detection for every type of tunnel

Office situation support
Have questions about this product?

SMOTEC450 smoke detector
New

Fast and reliable smoke detection for every type of tunnel

Office situation support
Have questions about this product?

Benefits

  • Early and reliable warning for optimum efficiency during self-rescue phase
  • Automatic check cycle without the tunnel having to be closed and without incurring personnel costs

Integrated technologies

PROFIBUS Logo
EtherNet/IP Logo
FLEXible answers to individual needs
Current product

SMOTEC450 smoke detector

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  • High-end products
  • Highly functional and convenient

What is FLEX?

FLEX selections
Technical excellence
Simplicity
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Fundamental selection Meet your basic measurement needs
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Lean selection Handle your core processes easily
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Extended selection Optimize your processes with innovative technologies
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Xpert selection Master your most challenging applications
Variable
Manufacturer's warranty

Engineered for confidence

Our instruments are designed for long‑lasting performance, precise measurement, and dependable operation in demanding industrial environments. Each product includes a standard manufacturer’s warranty that reflects our commitment to quality and to the trust you place in our solutions.

Should a warranty case occur, the device will be assessed and the applicable remedy will be provided in line with the warranty terms – helping ensure a reliable and efficient resolution and supporting continued operation of your measurement point.

Request for extended warranty

If you require extended warranty coverage, simply contact your local Endress+Hauser representative. Our experts will advise you on the available options to match your application and risk profile, helping you protect your investment, reduce unexpected repair costs, and ensure reliable long‑term operation beyond the manufacturer's warranty period.

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Warranty terms apply

The manufacturer's warranty and extended warranty are subject to specific conditions. For full details, please refer to the locally applicable General Terms and Conditions (GTC), which can be found on the respective country page of our website.

Services by your side

Right‑first‑time commissioning, worldwide

Endress+Hauser’s qualified service engineers ensure your measurement devices are commissioned right the first time, delivering application‑aligned accuracy, regulatory compliance, and operational confidence from startup onwards, anywhere in the world.

Remote support you can trust wherever you operate

With Endress+Hauser Smart Support, you benefit from faster issue resolution, higher uptime, reliable global expertise across the entire product lifecycle – and lasting peace of mind.

Committed to long‑term, sustainable performance

With deep field expertise, harmonized processes, and continuous monitoring, we accompany you with comprehensive service offerings – from initial start‑up through instrumentation maintenance to process optimization – as a true lifetime partner delivering improved outcomes.

For additional information, please contact your local Endress+Hauser representative.

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24/7 customer portal

Personalized transaction space

Check prices and delivery times, save your favorite products, create quotes and place orders in just a few clicks and track deliveries at any time. With access to your complete order and quote history including all relevant documents you benefit from full transparency throughout the entire process.

Easy access to technical documentation

Select and download all technical documentation such as operating manuals, calibration certificates, approvals and CAD drawings conveniently bundled as a complete documentation package for your entire order or quote.

My Endress+Hauser – all in one place

My Endress+Hauser is your 24/7 connection to Endress+Hauser – in the office, in the field or on the go. It brings together transaction management, documentation and software downloads, knowledge base access, customer support, engineering tools and cloud‑based IIoT services helping you work easier, faster and more efficiently.

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Technology
PROFIBUS Logo

PROFIBUS

PROFIBUS is a fieldbus communication standard used to connect field devices and control systems across industrial plants.

Technology
EtherNet/IP Logo

EtherNet/IP

EtherNet/IP enables field instruments to be integrated into automation systems using standard Ethernet technology.

Product information

Specifications
Measuring / Application task Visibility
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Description

Fast and reliable detection of smoke in tunnels delivers information which helps to save human lives and avoid material damage. The SMOTEC450 detects smoke particles in tunnels within seconds and alerts the control system immediately – long before visibility is reduced too much by dense smoke. The automatic check cycle of the SMOTEC450 checks all important components of the system each day without the tunnel having to be closed and without incurring personnel costs.

Field of application

Device properties:

  • Very fast and accurate scattered light measurement
  • Automatic control functionalities
  • Contamination check
  • Heated chamber for evaporization of fog droplets
  • Rugged enclosure made of stainless steel
Benefits
  • Early and reliable warning for optimum efficiency during self-rescue phase
  • Automatic check cycle without the tunnel having to be closed and without incurring personnel costs
Downloads
Most downloaded
Operating Instruction (BA)
SMOTEC450 Smoke Detector
English version - 01/2025
Download
Ex Safety Instruction (XA)
Safety Information for non-Ex analyzer devices
(multi-lingual, also in DE, BG, CS, DA, EL, ES, ET, FI, FR, HR, HU, IT,
LT, LV, NL, NO, PL, PT, RO, RU, SK, SL, SV)
English version - 01/2025
Download
Competence Brochure (CP)
Emission Monitoring Solutions Broad portfolio and long-standing experience
English version - 05/2026
Download
All downloads
11 Downloads
Operating Instruction (BA)
SMOTEC450 Smoke Detector
English version - 01/2025
Download
Ex Safety Instruction (XA)
Safety Information for non-Ex analyzer devices
(multi-lingual, also in DE, BG, CS, DA, EL, ES, ET, FI, FR, HR, HU, IT,
LT, LV, NL, NO, PL, PT, RO, RU, SK, SL, SV)
English version - 01/2025
Download
Competence Brochure (CP)
Emission Monitoring Solutions Broad portfolio and long-standing experience
English version - 05/2026
Download
Competence Brochure (CP)
交通用センサ 道路およびトンネルの安全ソリューション 道路およびトンネルのセンサに関する概要パンフレットであり、過
去60年間の開発の経緯、トンネルの前方および内部での主な用途、
そして測定装置の一覧が紹介されています。
Japanese version - 10/2025
Download
Competence Brochure (CP)
Solutions for traffic and tunnel safety An overview brochure about traffic and tunnel sensor, their
development during the last 60 years, the main applications in front
and within a tunnel as well as the measuring devices at a glance
English version - 04/2026
Download
Competence Brochure (CP)
Soluzioni per il monitoraggio delle emissioni Soluzioni per il monitoraggio delle
emissioni
Ampio portfolio e vasta esperienza
Italian version - 05/2025
Download
Competence Brochure (CP)
Lösungen zur Emissionsüberwachung Breites Portfolio und langjährige
Erfahrung in Gasanalyse und
Durchflussmessung
German version - 03/2026
Download
Competence Brochure (CP)
排出ガス監視ソリューション 幅広い製品群と長年にわたる実績 排出ガス監視、測定原理と技術、国際的な要件とサービス、選択ガイド、そして測定装置の一覧をまとめたパンフレット
Japanese version - 09/2025
Download
Competence Brochure (CP)
Verkehrssensoren Lösungen für die Verkehrs-
und Tunnelsicherheit
German version - 03/2026
Download
Innovation (IN)
SMOTEC450 – Fast and reliable smoke detection for every type of tunnel Highly efficient smoke detection with early and reliable warning
for optimum efficiency during self-rescue phase
English version - 03/2026
Download
Verification DTM
SMOTEC450 SDD file SOPAS device description file for SMOTEC450
Version - 3.03

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Order code 5352592
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