Vibrometer – Structural Health Monitoring

By Cody Corporation

vibrometer

The wireless Vibrometer is able to measure the velocity of the point where it is installed, providing a complete analysis of the frequency and amplitude of the vibrations. Performs real-time and remote vibrational analysis. Understand if the vibrations and stresses caused by construction sites close to the monitored structure exceed the values set by the legislation in force. All sensors also record temperature, are battery powered and use the LoRaWAN wireless communication protocol.

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APPLICATIONS

Vertical structures Monitoring

Performs vibrational analysis of a buildings or vertical structures under maintenance or near a construction site.

Construction sites Monitoring

Monitors the strong vibrations caused by heavy vehicles and machinery on all structures close to a construction site.

Bridge Monitoring

Performs vibrational analysis of a bridge or viaduct under maintenance or near a construction site, monitors if the stresses exceed the regulation.

The Vibrometer acquires triaxial velocity data (mm/s or inch/s) through the continuous integration of the onboard accelerometer output, with a high sample rate. The sensor has two main, mutually exclusive, operating modes:

Programmed acquisition mode
Threshold acquisition mode

Wireless Vibrometers transmit accurate readings from the site via LoRaWAN. You can view and interact with your data online using the Move Cloud platform.

Key parameters:

Triaxial wireless vibrating sensor
Acquisition of: Velocity, Frequency, Temperature
Standards: DIN 4150, UNI 9916
Local Storage of up to 2000 acquisitions, one acquisition is composed by 1024 Datapoint. All the acquisitions are also retrievable by USB Connection with a PC.
Absolute synchronization ±1 second
Acquisition: Programmed mode or Threshold mode
Resolution 0.0015mm/s
Range of ± 50 mm/s
Integrated temperature sensor
Extremely simple installation with versatile mounting options
Ultra low noise performance
Built-in long-life battery
IP67 waterproof rating

OPERATION
Wireless Data Transmission of	Maximum detected PPV, maximum velocity amplitude and frequency detected for each axis, timestamp, temperature
Local Storage of	Up to 2000 acquisitions, one acquisition is composed of 1024 Datapoint. All the acquisitions are retrievable by USB Connection with a PC.
Sample Rate	512Hz (Derived from a 4 kHz sampling rate by means of downsampling)
Absolute synchronization	± 1 seconds
Standards	DIN4150, UNI9916, BS7385, SN 640 312a, RI8507*

MEASUREMENT
Technology	MEMS technology – Triaxial
Acquisition of	– Velocity – Frequency – Temperature
Resolution	0.0015mm/s
Range	± 50 mm/s
Noise Density	22.5 μg/√Hz

RADIO
Radio channel	LoRaWAN communication protocol
Radio channel frequency	ISM 868MHz / 915MHz
Link coverage	1km (line of sight with the Gateway)*

GENERAL DATA
Waterproof Rating	IP67
Battery	1 lithium battery type “D” 19Ah 3.6V
Operating temperatures	1-40°C/+85°C
Dimensions	75 x 80 x 57 mm
Weight	1.1 Kg
Case material	Alloy GD-AlSi12
Corrosion resistance	>1000 hours in salt spray

INSTALLATION
Method	Two-point mounting using screws and plugs (Ø6mm, L:30mm)
Site	– Fixing on wall – Fixing on ceiling – Fixing on ground – Fixing underground

IBATTERY AUTONOMY
Operating mode	Estimated autonomy
Time triggered	1 year*
Threshold triggered	1.5 years*

* This standard will be supported soon.

* Wireless coverage of the device may vary depending on the scenario.

* Battery life may shorten when operating in extreme temperatures.

Easy installation of the Move wireless monitoring system
The installation of an entire wireless sensor system on site is quick and easy: simply mount each device with at least two screws on the structure you want to monitor and power the LoRaWAN Gateway. You can configure the entire system remotely, before, during or after installation, using your laptop or tablet. After assembly and setup, the Move wireless monitoring system will start measuring and you can start monitoring remotely.

Operation of the Move wireless monitoring system
The wireless sensor system automatically communicates the measurement data via LoRaWAN with the on-site Gateway which in turn sends the received data via 4G or LTE to the online servers. The Move Cloud Platform is the cloud-based web tool that allows you to access, view and export your measurement data and configure the settings of the entire sensor system. You can access the Move Cloud Platform 24/7 from any location or device around the world. One of the main advantages of the Move Cloud Platform is that it offers remote access to measurement data and allows remote configuration of all installed sensors. This saves time and labor. In addition, you can analyze the measurement data using processing algorithms included in the service. Perform complex calculations, correlations and analyzes automatically and effortlessly. With the touch of a button, you can export measurement data in CSV format. You can also easily configure alerts to multiple recipients who will receive threshold cross notifications via email.

Easily install the entire system on the structure without the use of wiring.
Configure all wireless sensors quickly and remotely.
View real-time measurement data wherever you are, on any device, 24/7.
Process the data collected through the implemented algorithms.
Constantly monitors the operating status and signal quality of the system remotely.
Customize your alarm notifications and receive overrun notifications by email.
Optionally, you can integrate data on your platform using an MQTT bridge, FTP or through API calls.

Datasheet Wireless Tiltmeter – Vibrometer-Datasheet-Move-Solutions-1

Instruction Manual – Instruction-Manual-Move-Solutions