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Vibration Monitoring System

Features

·         Compact, all-in-one

·         Velocity and/or acceleration

·         Dynamic and Static measurement       

·         Supports GPRS, GSM

·         Local Alarm with SMS, Email, and GYR

·         Embedded webserver

·         Graphical display and keyboard

·         In-situ calibration

·         Swiss vibration SN640312a norm

 

Description

 

The VMS is a state of the art vibration monitoring system. It is a compact device designed to provide simplicity and facility of usage and maintenance.

 

It provides data acquisition and storage, as well as communication facilities to operate on the field and send the data to a remote server.

 

It is bundled with internal geophones for velocity measurement with in-situ calibration possibility. The VMS provides facility to measure the characteristics of the geophones and calculate correct coefficients to provide a frequency linear response from 0.1 to 350 Hz.

 

Data Acquisition

 

Resolution

24 bit ADC

Dynamic Range

Typ. 110 dB @ 1000 SPS

Sampling rate

50, 100, 200, 500, 1000, 2000, 4000 (user selectable)

Number of channels

3

Trigger

level, SN640312a norm, permanent, time based

 

System Specifications

 

Processor

ARM Cortex 32bit processor with FPU

Memory

microSD slot for file storage, allowing almost unlimited recording (typ. 20 days of permanent data @ 200 SPS)

Web server

Embedded web server for configuration and data storage

Graphical display

A graphical display provides status and allows configuration without any external devices

Timing

Disciplined VCXO with 1ppm, that synchronizes to GPS or NTP

In situ calibration

Geophone sensors can be calibrated in-situ, the devices performs a characteristics measure of the geophone and calculates corrections coefficients

Firmware update

Local or remote firmware updates possible

 

Communication

 

Ethernet

Standard Ethernet available providing network access

FTP server

Embedded FTP server for file retrieving

FTP client

Embedded FTP client for automatic upload of files to remote server

DataStream

TCP and UDP datastream

Web server

Embedded webserver for configuration, status view and data retrieval

ModBUS

Serial and network Modbus available for configuration and data retrieval

telnet

Embedded telnet server for configuration

GSM modem

(optional)

A GSM modem can be optionally mounted inside the device to provide connectivity to internet and SMS alarms

 

Power and IO

 

Supply voltage

10 to 15 VDC

Power consumption

130 mA @ 12 VDC (with internal sensor)

Battery

Internal LiPo battery providing > 24 h of operation

Alarms

3 contacts configurable for alarms (error, trigger)

Ethernet

Standard Ethernet connector for network connectivity (with optional PoE)

GPS

GPS connector for external serial GPS connection (optional)

ModBus

Serial ModBus connection available (optional)

 

User Interfaces

 

Device LEDs

Three LEDs provide status information about power, communication and any errors on the device

GYR LEDs

Three LEDs provide status information about the vibration levels

Graphical display

A graphical display provides interface to view status and configuration on the device without external devices/computer

Keyboard

An embedded keyboard on the device provides an easy access to check status and to configure the device.

Webserver

Embedded webserver provides interface for local or remote configuration and status control

 

Physical Details

 

Housing

Cast aluminium housing

Dimensions

230 x 170 x 80 mm

Weight

2.3 kg including battery

Protection

IP65

Fixation

Fixation is done with a central bolt under the housing and leveling screws are embedded in the custom housing

Leveling

Bubble level is incorporate in the housing for easier installation

Handle

Handle embedded in housing design for easier handling of the device

Operational temperature

-20 – 50 °C

Storage temperature

-40 – 70 °C

Humidity

0 to 100 % RH (non condensing)

 

Internal Velocity Sensor

 

Type

Geophone based velocity sensor

Full scale

± 100 mm/s

Accuracy

According to DIN 45669

Frequency range

4.5 to 315 Hz (linear response) covering SN640312a (5 – 150 Hz)

Dynamic range

> 130 dB

Frequency Analysis

For every channel the VMS computes the FFT according SN640312a and saves the maximum frequency of the amplitude spectrum.

 

Options

 

Sensor velocity

External velocity sensor

Sensor acceleration

Internal / External accelerometer sensor

Alarm Box

External alarm box with light indication and acoustic alarm

GPRS/GSM modem

Internal 3G modem for internet access and SMS and email alert sending

Solar Power

External solar power, including panel, battery and charger for installations and places where AC power is not available.

Cloud Data

Web interface on the cloud to monitor and analyse the data of one or many instruments

 

 

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GSI GeoSolutions Int. Ltd 

Ahornweg 5a

CH-5504 Othmarsingen

T: +41 62 550 03 20

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