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1. INTRODUCTION
The MR3000 is a new family of compact vibration and motion measurement system. As such it
meets all user expectations in a state-of-the-art device and thus is a highly reliable and efficient
instrument for various application fields.
The main instrument is the MR3000C, which is the first system that has been developed and the
most known among the customers all over the world. For this reason, in the user manual, its name
will appear many times. The MR3000DMS keeps the best features of the MR3000C, with many
new features, namely high-speed communication (FO), internal battery, relays and integrated
terminals.
The MR3000DMS is dedicated to dams, but it can be used in other types of structures, like
buildings, bridges and tunnels.
In the user manual, the name “DMS” will be used to indicate the MR3000DMS.
On the firmware side, the DMS has a built-in FTP-client (to push the data to a FTP server), a built-
in SFTP-server (to retrieve the data in interactive mode) and a built-in Web server to configure the
device via the WebUI (=Web based user interface).
In case the internet connection is available, it is possible to connect the MR3000DMS to the SCS
cloud software (scs.bartec-syscom.com), in order to visualize and post-process data coming from
different devices. It is also possible to remotely change the most important parameters of the
instruments. In this way, it is possible to manage many vibration surveys directly from the personal
office.
No special hardware or software is needed to communicate with the DMS: any device with a Web
browser and Internet connectivity (such as a Laptop or a Tablet) will do the job. The user can set-up
the unit, download files via any type of network connection. Alarm messages can be automatically
sent as E-Mail.
The memory storage capacity has been increased using industrial SD card. The data-storage is
managed by a file-system.
The 3 orthogonally oriented MEMS sensors pick up the vibration and transform it into an electrical
signal which is proportional to acceleration. The signals of the sensors are continuously digitized
and stored in the ring-buffer memory. If the vibration exceeds the threshold level (trigger criteria are
fulfilled), the contents of the ring-buffer memory is written to the internal SD Flash card.
The DMS may optionally be equipped with an external GPS antenna for a precise timing. By
default, the internal clock is synchronized by an NTP time-server using the Internet connection.
The DMS can be interconnected in a network with other DMS. The Master provides additional
network functionality, such as common trigger (simultaneous recording in all DMS in the network)
and common alarm (alarm voting logic, e.g. 2 out of 4).
An internal rechargeable lead-acid 12Ah battery ensures continuous operation during power
interruptions.
The DMS is very easy to operate and requires minimal maintenance. Routine maintenance and
operation does not require specialized workforce.
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