Building Structural Health MonitoringComplete monitoring solutions for buildings

Dewesoft data acquisition systems help you build structural health monitoring solutions by measuring vibration, inclination, strain, temperature, water level, wind, and other dynamic loads. This data supports structural integrity assessments and helps evaluate occupant safety and comfort.

You can scale from distributed wired monitoring, from low to high channel counts, to wireless systems for remote building monitoring. Dewesoft provides a complete solution that includes DAQ systems and data loggers, sensors, and monitoring software, proven in real deployments on stadiums, historic structures, skyscrapers, and hospitals for seismic and vibration assessment, snow-load monitoring, and model validation during construction.

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Highlights

Total Turn-key Solution

The Dewesoft building monitoring solution offers complete and highly accurate data acquisition systems, data loggers including wireless dataloggers, and connectivity for all sensors required in building monitoring projects.

Totally Distributed System

Dewesoft DAQ devices are designed to be distributed under any condition. EtherCAT technology allows devices to be placed near the sensors and connected with a single cable for power, data, and synchronization. The cable can span up to 100m between DAQ nodes or virtually unlimited using EtherCAT to fiber optic converters.

Any Sensor

Input amplifiers offer support for any strain gauge sensor, low-frequency accelerometer sensors for seismic activity monitoring, temperature, and weather factors.

Perfectly Synchronized

All data channels are synchronized well below microsecond accuracy, required for deep structural analysis.

Wide Variety of Configuration

From extremely rugged IP67 units with very high dynamic range to cost-effective solutions offer a tailored approach for virtually any structure with the possibility to monitor and analyze thousands of data points.

Powerful Software

DewesoftX software offers real-time diagnosis, pre-processing, and data reduction with powerful math. A wide variety of storage options are possible with powerful visualization choices.

Open Interfaces

Using DewesoftX, data is available in a wide variety of formats, from exported data to live MQTT interface or modern cloud data services.

Use recorded time data to estimate modal models. With OMA the dynamics of the structural vibrations can be determined directly from the sensor input data via the Dewesoft ARTeMIS OMA software.

Remote Operation

The entire system can be remotely operated offering triggered storing, alarms, and other monitoring features with capabilities to store data locally or at distant remote locations.

Software included

Every Dewesoft data acquisition system is bundled with award-winning DewesoftX data acquisition software. The software is easy to use but very rich and deep in functionality. All software updates are free forever with no hidden licensing or yearly maintenance fees.

Dewesoft quality and 7-year warranty

Enjoy our industry-leading 7-year warranty. Our data acquisition systems are made in Europe, utilizing only the highest build quality standards. We offer free and customer-focused technical support. Your investment into the Dewesoft solutions is protected for years ahead.

Benefits of dynamic monitoring

Visual inspections remain a fundamental tool for assessing the condition of towers and other critical infrastructure, but they provide only a snapshot of the structure at a specific moment in time. Dynamic monitoring offers a continuous, data-driven approach that greatly improves understanding of structural behavior. Its main advantages include:

Continuous analysis

Dynamic monitoring provides uninterrupted observation of the structure, capturing variations and transient phenomena that periodic visual inspections cannot detect.

Data preservation

All collected signals are permanently stored, which ensures complete traceability and enables detailed review of events and anomalies.

Structural modeling

High-quality dynamic data supports the development of accurate structural models, allowing engineers to evaluate true vibration modes and detect changes in stiffness or boundary conditions.

Historical data tracking

Long-term measurement series create a valuable historical archive, essential for identifying trends, assessing degradation, and supporting predictive maintenance strategies.

Dewesoft solution overview

A Dewesoft-based structural monitoring system uses a fully daisy-chained architecture in which power, data, and synchronization are transmitted through a single cable. This streamlined design reduces cabling complexity and enables installation up to three times faster than traditional multi-cable setups. Each measurement module supports multiple sensor types from a single acquisition point, which simplifies deployment in environments with heterogeneous instrumentation. For larger networks, the system can be expanded with EtherCAT hubs, allowing the creation of redundant measurement backbones that improve reliability and reduce the risk of sensor-chain failures. All acquired data is synchronized within one microsecond, which ensures precise correlation across the entire monitoring network and enables high-fidelity structural analysis.

Monitoring of buildings in real time

During the office reconstruction, Dewesoft Italy integrated three IOLITEiw-3xMEMS-ACC-S sensors into the building structure to monitor and analyze structural vibrations. The acquired data is transmitted from a local PC via MQTT to the Dewesoft Historian database.

A Grafana-based user interface provides visualization of key parameters, including FFT spectra, time-domain acceleration, and a dynamically updated map of European seismic activity from the past seven days. All long-term data is securely archived in the Dewesoft Historian database to support trend evaluation and historical analysis.

In the event of an alarm, the system allows retrieval of relevant datasets for detailed examination using Dewesoft Importer or Dewesoft Artemis OMA.

With this integrated monitoring solution, the office building is now continuously supervised in real time, which ensures early detection of potential structural anomalies and supports proactive maintenance.

System architecture

Dewesoft data acquisition systems, with their wide range of analog and digital inputs, support almost any type of sensor used in building monitoring.

All EtherCAT-compatible devices such as IOLITE and KRYPTON can be connected within the same network, which makes it possible to build a virtually unlimited channel chain using a single cable for power, synchronization, and data. The entire EtherCAT chain is synchronized within one microsecond regardless of distance, and node-to-node spacing can reach up to 100 meters.

All raw data from EtherCAT data-acquisition devices is collected and processed by measurement units running the DewesoftX data-acquisition software.

For applications that require only acceleration measurements, whether permanent or temporary, the NEMOSENSE device is an ideal solution. It is an IoT-enabled system that integrates a vibration data acquisition unit, a data logger, and a low-noise triaxial MEMS accelerometer. NEMOSENSE supports TCP/IP and, when the M option is selected, 4G/LTE connectivity, enabling seamless MQTT data transmission to an on-premises or cloud server running Dewesoft Historian or a third-party database.

Raw or processed data from EtherCAT Dewesoft devices or NEMOSENSE is sent in MQTT format over the TCP/IP network to the factory or cloud server hosting Dewesoft Historian or third-party database software.

Data stored in the Historian database can be accessed and visualized on a client PC, either in streaming mode using the Dewesoft Historian Client or by importing data with the Dewesoft Importer. It can also be displayed through an intuitive Grafana dashboard for enhanced visualization.

Stored data can be shared with SCADA systems or cloud software via standard interfaces such as OPC/UA or XCP, ensuring full compatibility with Industry 4.0 applications.

Bridges endure constant stress from traffic loads, wind forces, temperature changes, and environmental conditions. Understanding their structural behavior is essential for ensuring long-term safety and performance. Dewesoft provides a complete solution for bridge modal analysis, including:

Operational Modal Analysis (OMA),
Experimental Modal Analysis (EMA), and
Operating Deflection Shapes (ODS),

enabling engineers to assess structural integrity with ease.

OMA is ideal for monitoring bridges in real-world conditions without requiring controlled test excitations. By measuring the bridge’s natural response to ambient loads such as traffic or wind, Dewesoft ARTeMIS OMA software extracts natural frequencies, damping ratios, and mode shapes with high accuracy. Unlike ODS analysis, OMA removes external force influences, providing unbiased modal information that helps detect early signs of structural issues.

For detailed structural assessment, EMA is used to excite the bridge structure using impact hammers or shakers, allowing engineers to directly measure input forces and responses. This controlled testing provides valuable data for validating numerical models, identifying structural weaknesses, and optimizing bridge designs. Dewesoft’s synchronized DAQ systems ensure high-precision measurements with seamless integration into modal testing software for detailed analysis.

Operating deflection shapes (ODS) – visualizing structural motion

ODS analysis is an intuitive method for visualizing how different parts of a bridge move under operational conditions. By measuring vibrations at various points on the structure, Dewesoft ODS analysis tools help engineers pinpoint areas of excessive movement, resonance issues, or potential structural weaknesses. ODS is a powerful complement to OMA and EMA, providing a clear representation of real-world bridge behavior.

Affordable, easy-to-deploy, and scalable

Dewesoft’s bridge monitoring solutions are designed to be cost-effective, quick to set up, and scalable for both temporary assessments and long-term monitoring. Our versatile DAQ systems seamlessly integrate with ARTeMIS OMA and other modal analysis tools, allowing users to acquire vibration data, open DXD files directly, and run advanced analysis with minimal effort.

Learn more: Modal testing and modal analysis solution page.

Rugged and distributed data acquisition

Dewesoft provides very rugged data acquisition units that can work flawlessly in a wide temperature range, under big stress, and even in very humid and wet environments.

Data acquisition units can easily be distributed so you can place them close to the sensor placed on the structure. This means shorter sensor cabling which increases signal quality, and decreases the chances of cabling errors and cabling cost. DAQ systems can be distributed down to a single channel.

EtherCAT protocol provides a connection of up to 100 meters between DAQ nodes. Single power is used for data, power, and synchronization. This can be further expanded using EtherCAT to Fiber Optic converters.

Remote data monitoring and storage

DewesoftX software offers easy and flexible configurations for your data flow. You can store data locally near the structure itself, or use any of the standard interfaces like OPC UA to send and store data remotely in the cloud or database. There is really no restriction on how to set up your data flow.

Our flexible licensing allows you to connect an unlimited number of view clients to monitor data in real-time without any additional cost.

Dewesoft Historian: Time-series database storage with real-time dashboard analytics

The Historian software package provides a time-series database for long-term data storage. The database can be either located locally, on the remote server, or in the cloud. The solution is based on the InfluxDB time-series database open source project.

Historian provides several useful features for your historic data:

Raw and reduced data: while raw data is always stored on the measurement unit for an in-depth analysis, a Historian takes the role of long-term reduced data storage in the cloud database.
Data safety and retransmit: if the connection between the measurement hardware and the database is lost, the data is safely stored locally on the measurement unit and then retransmitted to the database when the connection is available.
Trending and Analysis: Historical data can always be recalled and loaded from the Historian database and used for trend analysis as well as for in-depth analysis and root cause identification.

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Buildings monitoring application case studies

Dewesoft building monitoring solutions can be tailored and configured for a wide range of applications, from vibration assessment to long-term structural supervision. These systems are already in use at many sites, delivering high-fidelity data to support informed decision-making. Below are selected reference case studies.

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