Vibration Monitoring System
Vibration Monitoring System
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.
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
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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