ALWAYS LISTENING
How Fixed Acoustic Imaging Is Changing Condition Monitoring
Machines have an inconvenient habit of developing problems when nobody is looking.
A compressed-air leak may appear only when production demand increases. Partial discharge can come and go with changing electrical conditions. An intermittent fault that was absent during Tuesday morning’s inspection can be back by Tuesday afternoon—and perfectly well behaved again by the time somebody arrives to investigate.
Traditional condition monitoring gives maintenance teams valuable snapshots of asset health. Fixed acoustic imaging asks a different question:
What if the inspection never really stopped?
With the arrival of fixed-mount acoustic imaging systems, acoustic monitoring is moving beyond the periodic walkaround. Instead of taking the camera to the equipment, the camera stays there—continuously listening for the acoustic signatures associated with developing leaks and electrical faults.
For assets where the timing of a problem is unpredictable, that changes quite a lot.

sI-SERIES dETECTS ISSUES UP TO 200 METERS—ROUGHLY TWO FOOTBALL PITCHES.
FROM SPOT CHECKS TO CONSTANT AWARENESS
Traditional route-based inspections still matter, but they capture only moments in time. Fixed acoustic imaging extends that logic by listening between inspections. Mounted systems can watch assets around the clock, identify abnormal acoustic events, and flag them before the issue grows teeth. In practice, that means a team no longer has to wait for a leak to become expensive, or for partial discharge to become dangerous, before taking action.

Condition monitoring works best when it stops being occasional.

ONE PLATFORM, THREE WAYS TO LISTEN
The Si2a fixed acoustic imaging family is purpose-built for different challenges.

Ready for Real-World Deployment
Industrial monitoring solutions must perform reliably in demanding environments, and the Si2a-Series was designed with this requirement in mind.
Featuring IP66 protection, flexible mounting options, and low-maintenance architecture, the cameras are well suited for outdoor substations, manufacturing facilities, utilities, and other harsh industrial locations. Permanent installation reduces the need for unnecessary site visits while maintaining continuous visibility into asset conditions.
AI-Enhanced Detection and Analysis
The Si2a-Series leverages AI-enhanced analytics to help operators quickly interpret acoustic data and make confident maintenance decisions.
Advanced algorithms support detection, classification, and assessment of anomalies, reducing the expertise required to identify potential issues while improving consistency across large fleets of assets. AI-assisted analysis helps maintenance personnel move from simply detecting events to understanding their potential severity and operational impact.
Built for Modern Asset Management
Beyond detection, the Si2a-Series is engineered to support broader digital condition-monitoring strategies.
Integration with AssetLink™ enables organizations to collect, manage, and analyze condition-monitoring data across multiple assets and facilities. Event history, alarm management, severity tracking, and asset insights are centralized, helping maintenance teams establish more proactive and data-driven workflows.
The cameras also support enterprise integration through:
- Power over Ethernet (PoE)
- Wi-Fi connectivity
- TCP/IP communications
- RSTP compatibility
- MQTT, SMTP, and FTP event actions
- Digital I/O interfaces
- 4-20 mA current loop integration
- SCADA connectivity
These options make it easier for organizations to incorporate acoustic monitoring into existing maintenance and operational systems.


