Senceive FlatMesh

Wireless condition monitoring

Senceive’s revolutionary asset monitoring technology offers a wireless, reliable and cost effective solution ideal for rail, tunnel, infrastructure, building and mining applications. With a wide range of sensors to suit even the toughest environments, Senceive's FlatMesh is a fully scalable and customisable platform that can be tailored to the unique requirements of your project. 

Available with easy to use WebMonitor data visualisation tools or linked to your existing software, Senceive is an open architecture system that integrates with your workflow. 

Click here to download case studies

Sensor range                       Data comms                      WebMonitor

Triaxial Tilt Sensor               Solar 3G Gateway                               

Crack Sensor                         USB Gateway                                  

Vibrating Wire Sensor

Nano Triaxial Tilt Sensor

Other Sensor types

Wireless Sensor Range

All geotechnical nodes are micro-controller, wireless mesh-networked based on IEEE 802.15.4 and form an integrated system that can monitor over a wide area, or any convoluted physical/geographical environment. Working as a self-configuring wireless mesh, data moves from neighbour to neighbour through the network. This provides an extremely robust and flexible solution adaptable to many various and challenging situations.

Tilt Sensor Node

The FlatMesh Triaxial Tilt Sensor Node is an extremely high precision and exceptionally stable triaxial tilt sensor which reports its measurements through Senceive’s FlatMesh wireless communications network to a FlatMesh Gateway. It has been successfully applied in many applications, including those measuring:

  • Tunnel distortion / deformation
  • Tunnel convergence / divergence
  • Longitudinal heave / settlement
  • Embankment slippage
  • Structural movement
  • Rail track heave / settlement
  • Rail track bed cant and twist
  • OLE stability

Key Benefits

  • Integrated triaxis tilt sensor
  • Extremely low noise performance
  • Resolution of 0.0001° (0.0018mm/m) and repeatability of ±0.0005° (0.009 mm/m)
  • Integrated long life battery
  • 12 -15 years battery life, including when acting as a relay node within the mesh communications network
  • Integrated temperature sensor
  • Versatile mounting options including patented magnetic mounting
  • Waterproof to IP66 / IP67 / IP68
  • Firmware is remotely upgradeable over the air via the gateway reducing costly site visits

Click here to download the datasheet

Crack Sensor Node

The FlatMesh Crack Sensor Node interfaces to a linear displacement sensor. Its high precision sampling circuit powers the sensor and reports its measurements through Senceive’s FlatMesh wireless communications network to a FlatMesh Gateway. It has been successfully used in many applications, including those measuring:

  • Crack movement
  • Pile separation
  • Structural movement
  • Expansion joint monitoring

Key Benefits

  • Waterproof, robust connectors for simple installation
  • Automatic sensor type detection
  • Extremely low noise performance
  • 16-bit resolution (65,536 steps over the full scale)
  • Integrated long life battery
  • 12-15 years’ battery life, including when acting as a relay node within the mesh communications network
  • Integrated temperature sensor
  • One and two channel variants readily available, up to six channels available on request
  • Waterproof to IP66 / IP67 / IP68
  • Firmware is remotely upgradeable over the air via the gateway reducing costly site visits
  • Variety of fixings available for easy installation on site

 Click here to download the datasheet

Vibrating Wire Sensor Node

The FlatMesh Vibrating Wire Sensor Node brings a wide variety of vibrating wire sensors into the FlatMesh system. It is a highly integrated system which is capable of exciting and sampling vibrating wire sensors and reporting its measurements through Senceive’s FlatMesh wireless communications network to a FlatMesh Gateway.

Examples of the sensors supported:

  • Piezometers
  • Strain Gauges
  • Load and Pressure Cells
  • In Place Inclinometers
  • External Temperature
  • Extensometers
  • Tiltmeters 
  • Crack Gauges

Key Benefits

  • High performance, easy to connect multichannel connectors
  • Waterproof, robust connectors for simple installation
  • Resolution of 0.001 Hz and repeatability of ±0.02 Hz
  • Integrated long life battery
  • 12-15 years’ battery life, including when acting as a relay node within the mesh communications network
  • Integrated temperature sensor
  • Versatile mounting options
  • Waterproof to IP66 / IP67 / IP68
  • Firmware is remotely upgradeable over the air via the gateway reducing costly site visits

Click here to download the datasheet

Nano Tilt Sensor Node

 The FlatMesh Nano range is one of the most recent additions to Senceive’s expanding family of state of the art products – enabling robust and repeatable wireless geo-technical, structural and industrial monitoring. The FlatMesh Nano range has its own unique miniature form and is explicitly designed for rail and construction industries to provide unbeatable tilt sensing. This easy to deploy tilt sensor node has no external aerial and a durable shell with IP67/68 rating that can withstand even the harshest environments. 

The Nano's discrete form and wide range of simple fixings allow for extremely quick installation to any surface using glue, screws or magnetic mounting. Its innovative design allows the Nano to be installed in any orientation, making it ideal for tunnels, bridges and retaining walls. 

With reporting available as regularly as every second, the Senceive Nano has a resolution of 0.0001° (0.0018 mm/m), and repeatability of ±0.0005° (0.009 mm/m). The Nano's unrivalled specifications and a battery life of up to 5 years make it the true feature of wireless tilt sensing. 

The FlatMesh platform development was part funded by the Technology Strategy Board who recognised Senceive’s leadership in the global wireless market for geotechnical sensing.

The FlatMesh Nano use exactly the same FlatMesh core platform as our other products and has many of their Best in Class features and unrivalled functionality, all in a much smaller enclosure.

Key Benefits

  • High performance and sophisticated platform in compact, discreet package
  • Triaxial tilt sensor
  • No external aerial and a durable shell with IP67/68 rating
  • 0.0001° (0.0018 mm/m) resolution in 3 axes
  • Highly stable and repeatable data (±0.0005° / 0.009 mm/m)
  • Enhanced noise reduction algorithms
  • Explicitly designed for rail and construction 
  • Up to 100 sensors in a single network
  • Industrial levels of data reliability / throughput - 99.9% 
  • Wide range of fixings allow for quick installation to any surface
  • Easy to use graphical interface
  • 1-year battery life for the Nano and 5 years battery life for the Nano+
  • Range of up to 100 m 
  • Totally wire and mains power free - solar powered GSM data backhaul option
  • Robust data backhaul solutions for any under / overground environment
  • Ability to interface with any user / client monitoring systems
  • Event triggering / intelligent data processing at node level
  • Remotely adjustable sub 1-minute reporting rates
  • Custom alerts and triggers
  • Remote firmware upgrade capability
  • Gateway back-up and auto switchover

Click here to download the datasheet

Other Sensor Types

Light Sensor

The Light Sensor measures light levels, and can be used for example in display cases of light sensitive artefacts or similar as used in Charlecote Park.

The National Trust: Light Monitoring in Heritage Building (v1.0, PDF: 437 KB)

Pollution Sensor

This Sensor detects the levels of Volatile Organic Compounds (VOC) and Formaldehyde in the air, as used by the British Museum.

The British Museum: Pollutant Monitoring in Museum Display Collection (v1.0, PDF: 590 KB)

Humidity Sensor

The Humidity Sensor detects humidity levels, as used by the Tower of London.

Tower of London: Moisture Monitoring in the Heritage Building (v1.0, PDF: 736 KB)

Data Comms

Solar 3G Gateway

The FlatMesh 3G Gateway is a fully integrated unit which provides all the functionality required to operate a FlatMesh wireless sensor network in a remote location.

No fixed IP address is required for the cellular service; the Gateway simply initiates the connection with the FlatMesh Web Monitor software over the Internet.

Key Benefits

  • Integrated Five Band UMTS/HSPA+ and Quad Band GSM/GPRS/EDGE Modem
  • Integrated solar charging circuit connected to internal lithium-ion chargeable battery pack (no external battery pack)
  • Fully operational, including FlatMesh and cellular radios, for three weeks (typical) on internal battery
  • On-board industrial-grade flash memory card for data buffering and backup
  • Incorporates bracket for mounting to pole; wall mounting kit also available
  • Waterproof connection to solar panel or other DC power supply
  • All components waterproof to IP67
  • Firmware is remotely upgradeable over the air reducing costly site visits
  • Extended temperature range battery option available for extreme conditions
  • Micro-USB connector for maintenance and local data access

Click here to download the datasheet

USB Gateway (Monitoring Hub)

The FlatMesh USB Gateway provides all the functionality required to operate a FlatMesh wireless sensor network in conjunction with a PC.

Combine with the FlatMesh Data Logger software for simple text file logging, or the FlatMesh Web Monitor software for real-time visualisation and alerting.

 Key Benefits

  • On-board industrial-grade flash memory card for data buffering and backup
  • No separate power connection required
  • Robust USB connector to avoid accidental disconnection
  • Firmware is upgradeable over USB

Click here to download the datasheet

WebMonitor

 The FlatMesh WebMonitor is an easy-to-use, web-based data access system which provides Senceive’s customers with a highly user friendly tool for the management of FlatMesh monitoring infrastructure that has been deployed in the field.

 Key Benefits

  • Customisable site images / site maps for display of overlaid sensor data
  • Storage of sampled data and images, with easy data export in CSV format
  • Configurable multiple trigger levels and SMS and/or Email alerts
  • Aggregate node calculations allow for derivation of a single value from multiple sensor values and site/ node specific parameters
  • Report Templates allow very quick and easy generation of CSV files for the same groups of sensor locations and types over multiple time periods
  • User access controlled on a site-by-site basis, reducing the number of accounts each user requires
  • No special client software required – just a web browser
  • No per-seat licensing
  • Bespoke branding of FlatMesh WebMonitor user interface is available for your company

Architecture

FlatMesh Web Monitor runs on a high performance Microsoft Windows-based server.
A number of Windows services run in the background to perform tasks such as:

  • accept incoming connections from GPRS Gateways in the field
  • maintain connections to USB Gateways which may be directly attached to a PC acting as a server
  • pass messages between services
  • process the incoming data and perform any required configured data conversions or calculations
  • send out any required alert messages via SMS or email
  • periodic exports of data to client FTP servers for third party system integration

The core of the system is a Microsoft SQL Server database. It stores all data samples and diagnostic information for all sites.

The web front end is built on Microsoft ASP.NET which retrieves all relevant information from the database and generates reports at the user’s request.

 

Case Studies - click on the pdf's to download  

Escalator Barrel Monitoing CrossrailRailway Embankment Monitoring  Earthworks Monitoring at Maidstone Track Bed Monitoring at Crossrail PML Monitoring Brunels Box Tunnel Track monitoring During TAM Crouting Track Ben Monitoring at Selly Oak  Tunnel Lining Replacement Monitoring  Longitudinal Settlement from Tunnel Boring Machines   Safety, Reliability & Flexibility:  Toowoomba Second Range Crossing 

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