Hospital monitoring: MR3000SB

Hospitals are buildings whose normal functioning is essential – due to emergency services, as well as due to the surgery sections inside them. Keeping them intact and operational in case of a major event – such as an earthquake – is vital for civil protection.

The vibration monitoring technology is useful in order to assess buildings with maximum accuracy; in this precise case, also in order to fully adhere to the active legislation for buildings of class I of national importance, meaning hospitals as well.

The vibration monitoring for hospitals is useful for:

  • Gathering essential information for technical assessment and further establishing the strategy for medium and long-term meintenance – in the case of buildings that have exceeded their design lifetime;
  • Identifying equipment vulnerable to vibrations and unplanned movements and establish remediation and retention solutions;
  • Highlighting the current state of the construction, essential in relationship with insurance companies and potential clients;
  • Avoiding and reducing material losses and protect human lives in case of a strong motion event.

Regarding hospitals, the monitoring system can be further integrated with smart solutions that can make sure to:

  • Entirely stop / partially stop the gas supplying
  • Entirely/ partially stop the sensible equipments (those who produce vibrations that can have a resonance effect in contact with the seismic waves)
  • Activate the electric generator (for smooth transition between the two sources, in case of a problem with the main energy provider)
  • Start the evacuation system (automatic doors)
  • Alert the personnel present on the premises
  • Alert the Integrated Department for Emergeny Situations, in order to intervene and redirect the wounded towards other medical units.

Main Benefits

The most advanced monitoring system.
MR3000SB is an integrated and reliable monitoring system for structures and buildings, able to automatically detect, record and process any strong motion vibrations that might affect the structure.
The most easy-to-use system available on the market.
The daisy-chain network (Fiber Optic or Ethernet Copper cable), coupled with latest data retrieval capabilities, make the MR3000SB the easiest to use and most versatile instrument available on the market.
Easy instalation, without any additional help needed.
The all-in-one Red Box with internal battery, AC/DC and terminals already integrated provides all the necessary features for easy installation. Command & control access through an embedded web server provides self-explanatory interface for system set-up and control.
Option of connecting it to any external alarm devices.
The optional kit with 3 configurable relay outputs (alarm 1, alarm 2, device error) can be directly connected to any external alarming devices and used as an earthquake early warning system. A common logic system, for a typical 3-station network, will ensure highest reliability and avoid spurious activation of the warning system.

Main Features

  • IP67 compact unit containing tri-axial MEMS sensor, digital recorder, battery and communications
  • No need of periodic calibration
  • Digital interconnection through Fiber Optics or Ethernet copper type cable with minimal noise
  • Common timing and common triggering
  • Automatic alerting and self-test
  • Remote control and data retrieval

Technical specifications

Data acquisition

  • General principle 4th order delta-sigma ADC per channel
  • Resolution 24 bits
  • Sampling-rate 50, 100, 200, 400, 500, 800, 1000, 2000 sps
  • Number of channels 3
  • Channel to channel skew None, simultaneous sampling on all channels
  • Data Filter Anti-aliasing filters
  • Trigger Filter Digital IIR filter: 0.5 – 15 Hz band-pass (Strong Motion Applications)

Data acquisition

  • General principle 4th order delta-sigma ADC per channel
  • Resolution 24 bits
  • Sampling-rate 50, 100, 200, 400, 500, 800, 1000, 2000 sps
  • Number of channels 3
  • Channel to channel skew None, simultaneous sampling on all channels
  • Data Filter Anti-aliasing filters
  • Trigger Filter Digital IIR filter: 0.5 – 15 Hz band-pass (Strong Motion Applications)

Trigger and de-trigger

  • Principle Level trigger or STA/LTA or automatic adjustment of trigger level
  • Trigger voting logic Predefined AND or OR combinations, individual channel votes
  • Trigger level 1 mg to 4 g
  • STA / LTA STA: 0.1 to 25s, LTA: 1 to 250s, ratio 0.1:25
  • Smart Trigger / De-Trigger Automatic adjustment of trigger level

Microprocessor

  • Recording
  • Principle Event recording (time history), continuous time recording or manually triggered
  • Header Contains status information at time of trigger and event summary
  • Pre-event recording 1-30 s (in 1 second steps)
  • Post-event recording 1-100 s (in 1 second steps)
  • recording time Unlimited
  • Memory Removable SD flash card (4GB)
  • Timing
  • System clock 1ppm, could be disciplined by NTP or GPS (optional)
  • Data / User Interface
  • Web interface Easy to use command & control through embedded web server
  • Intelligent Alerting System initiates communications and sends e-mail when an event is recorded
  • FTP Built-in FTP client to push data to an FTP-server
  • API Application programming interface REST with extended functions available
  • Alarm triggers
  • Principle Two alarm levels independently settable as threshold levels or user-defined curves, with various notification options (individually settable for each axis)
  • Alarm level range 1 % to 100% full scale
  • User-defined alarm Thresholds and frequencies individually settable for each axis
  • System status 3 LEDs Run, Recording, Warning/Error. Internal LCD with status info and important settings

Network capabilities

  • Common trigger and Configurable with AND/OR logic, for every device within the same network common alarm
  • in LAN network Typically 1 ms with NTP protocol
  • number of MR3000SB 32, in Master/Slave configuration
  • Remote control VPN, DDNS

Power Supply

  • Power supply 100 – 240 V AC, 50 – 60 Hz, internal AC/DC. Optional DC power 10-36 V DC
  • Internal battery 12 V, 12 Ah
  • Consumption 4 W (with charged battery), 25 W (AC max. and battery in charge)
  • Battery autonomy Typical 60 hours in stand-alone mode

I/O (glands and connectors)

  • Power M16 cable gland 4-11mm / Terminals on the AC/DC
  • Kit Relays (3) On request, M16 cable gland 7-11mm / Terminals
  • Kit daisy-chain LAN On request, RJ45 panel mount
  • Kit daisy-chain FO On request, M20 cable gland 6-13mm / ST connectors
  • Kit GPS On request, connector and GPS antenna with 5 m cable for time synchronization

LAN cables

  • Fiber Optic type Multimode OM2 fiber with wavelength 1300 nm, 50/125 μm, Rx/Tx
  • Ethernet Copper type Cat 5e, <100m

Relays kit

  • Configuration 3 output configurable relays, No/Nc
  • Current 2 A, 30 V DC

Acceleration sensor

  • Principle Micro-machined capacity MEMS accelerometer
  • Hysteresis None
  • Noise (10 to 1000 Hz) 7 μg/√ Hz
  • Frequency range DC to 600 Hz
  • Dynamic range 100 dB @ 200 sps
  • Measuring range ±4 g
  • Sensitivity 25 V/g differential
  • Scale factor error < 1 %
  • Orientation Horizontal or vertical mounting, to be specified when ordering
  • Self test Test-pulse, configurable

Housing

  • Dimensions 330 x 230 x 110 mm
  • Weight 5 Kg
  • Protection degree IP67, temporary static immersion in water

Environmental

  • Shock 30 g/11 ms half-sine
  • Heat -20 °C to +50°C
  • Humidity up to 100% RH

Regulations

  • EMC IEC 61326-1
  • Electrical safety IEC 61010
  • Origin Swiss Made
Case Study

The effects of vibrations on hospital buildings

Other long-term monitoring systems

For projects associated with other types of structures:
SHORT-TERM MONITORING

Monitoring
CONSTRUCTION SITE
Assessment of
STRUCTURAL HEALTH
Monitoring
BLASTING