Machine Sentry® Online
Machine Sentry® Online MSO
Flexible online condition monitoring for critical rotating equipment and static structures.
Machine Sentry® Online MSO provides continuous remote monitoring for industrial assets, supporting vibration, speed, temperature, torque, pressure, ultrasound and other measurement types. Designed for demanding applications, it helps reliability teams monitor asset condition, capture advanced diagnostic data and respond earlier to developing faults.

What is the Machine Sentry® OnlineMachine Sentry® Online MSO is a vibration and process sensor designed to detect the operating state of a machine. It can identify when equipment is stopped, starting up or running, and whether it is operating under low or high load. Alerts can be configured for each state, enabling timely response as conditions change. As part of a condition-based maintenance strategy, data collected from Machine Sentry® Online connects securely via WiFi or GPRS to the Machine Sentry® web platform. Information can be accessed remotely by plant operators or expert AVT Reliability® engineers. Compact in size and easy to install, MSO is designed for efficient long-term monitoring. Its low power consumption and high storage capacity make it an economical solution, while eight high-speed dynamic inputs are provided as standard for simultaneous data acquisition. An optional upgrade adds a further four static inputs, and the enclosure can be upgraded to include ATEX certification where required. |
Smart MonitoringTo ensure optimal performance and minimise false alarms, Machine Sentry® Online uses advanced demodulation techniques and is configured to suit the specific condition of the equipment being monitored.
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What is Machine Sentry® Online
Machine Sentry® Online MSO is a vibration and process sensor designed to detect the operating state of a machine. It can identify when equipment is stopped, starting up or running, and whether it is operating under low or high load. Alerts can be configured for each state, enabling timely response as conditions change.
As part of a condition-based maintenance strategy, data collected from Machine Sentry® Online connects securely via WiFi or GPRS to the Machine Sentry® web platform. Information can be accessed remotely by plant operators or expert AVT Reliability® engineers.
Compact in size and easy to install, MSO offers low power consumption, high storage capacity and eight high-speed dynamic inputs as standard, with optional expansion and ATEX-certified enclosure options available.
Smart Monitoring
Advanced tools for turbomachinery
Turbomachinery has more complex requirements which are accommodated by the Machine Sentry® Online system. MSO includes advanced analysis tools to support higher-speed and variable operating conditions.
Turbomachinery tools
| • Orbits display with filtering and compensation for slow roll |
| • Spectrum waterfall with 3D cursors |
| • Order tracking processing mode |
| • Phase analysis using Bode and Nyquist plots |
| • Discarding of measurements based on system instability due to changes in RPM or load |
Alarm Register and Parameter Monitoring
Machine Sentry® Online MSO continually monitors the condition of machinery and registers an alarm when values change from set parameters. Alarms are logged so they can be assessed by the user to determine whether they indicate a developing machine fault.
Advanced tools for turbomachinery
Turbomachinery has more complex requirements which are accommodated by the Machine Sentry® Online system. MSO includes advanced analysis tools to support higher-speed and variable operating conditions.
Turbomachinery tools
Alarm Register and Parameter Monitoring
Machine Sentry® Online MSO continually monitors the condition of machinery and registers an alarm when values change from set parameters. Alarms are logged so they can be assessed by the user to determine whether they indicate a developing machine fault.
Machine Sentry® Online MSO Applications
Machine Sentry® Online can be used for measuring and monitoring vibration and process data on a wide range of rotating equipment and static structures, supporting both industrial and infrastructure applications.
Compressors
Gearboxes
Fans
Wind Turbines
Cranes
Bridges
Machine Sentry® Online MSO Applications
Machine Sentry® Online can be used for measuring and monitoring vibration and process data on a wide range of rotating equipment and static structures.
Compressors
Gearboxes
Fans
Wind Turbines
Cranes
Bridges
Explore More Machine Sentry® Products
Machine Sentry® Fixed (MSF2)Permanently mounted wireless sensor for continuous vibration and temperature monitoring. |
Machine Sentry® Mobile (MSM2)Bluetooth® handheld device for route-based inspections and portable diagnostics. |
Machine Sentry® GatewaySecure wireless hub for transferring data to the cloud from connected sensors. |
Machine Sentry® Online (MSO)Web-based platform for remote access, analysis, and condition data management. |
Explore More Machine Sentry® Products

Machine Sentry® Fixed (MSF2)
Permanently mounted wireless sensor for continuous vibration and temperature monitoring.

Machine Sentry® Mobile (MSM2)
Bluetooth® handheld device for route-based inspections and portable diagnostics.

Machine Sentry® Gateway
Secure wireless hub for transferring data to the cloud from connected sensors.

Machine Sentry® Online (MSO)
Web-based platform for remote access, analysis, and condition data management.
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