The MR3003C in Syscom’s rugged RED BOX is a compact vibration/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 tool for many applications. The MR3003C is suitable for structural monitoring (DIN 4150-3, SN 640312 and others) and human comfort (DIN 4150-2, ISO 2631 and others).

Product supplied by Syscom Instruments.


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Product Features

  • Compact unit containing sensor, digital recorder and communication
  • Dual core ARM processor
  • Wireless connectivity
  • Internal 4G modem, fallback 3G/2G
  • Internal 4GB memory


Due to its design and reliability, the MR3003C is an efficient vibration solution for different temporary and fixed measurements in the civil engineering and strong-motion surveys.

Applications include:

  • Civil Engineering and Human comfort: Industrial Vibrations – Construction Site Monitoring – Tunneling
    – Truck and Rail Traffic – Blasting Monitoring – Model Verification
  • Earthquake Engineering: Building Monitoring – Monitoring of Structures (Dams, Bridges..).
  • Geology: Soil Characterization.
  • Earth Science: Earthquake Monitoring (seismic Intensity). Continuous data stream in MiniSeed/SeedLink format.

Data Acquisition

Resolution 24 bits
Sampling-rate 250, 500, 1’000, 2’000, 4’000 sps
Number of channels 3
Channel to channel skew None – simultaneous sampling on all channels
Dynamic range Typ. 130dB@250 sps, 124dB@1000 sps
Data Filter FIR & IIR digital filters
Trigger Filter Digital IIR filter: 0.5 – 15 Hz band-pass (only for accelerometer)
Trigger and de-trigger principle Level trigger or STA/LTA
Trigger voting logic Predefined AND or OR combinations, individual channel votes
Level trigger 0.003 to 100% full scale
STA / LTA (for acceler.) STA: 0,1 to 25s, LTA: 1 to 250s, Ratio: 0,1 to 25.
Smart Trigger / De-Trigger Automatic adjustment of trigger level



Recording principle Event recording (time history), continuous-time recording, manually triggered or timed recording.
Header Contains status information at time of trigger and event summary.
Pre-event recording 1-99 seconds (@250Hz), others depending on sampling rate.
Post-event recording 1-100 seconds
Data memory Removable SD card (4Gb)
Alarm triggers principle Two alarm levels independently settable as: threshold levels, curves defined by the main standards or user-defined curves
Alarm level range 0.1 % to 100% full scale
Alarm based on standards Different built-in standards: DIN 4150-3 (Germany), SN 640312 (Switzerland), Circulaire du 23/07/1986 (France), Önorm S 9020 (Austria)
User-defined alarm Thresholds and frequencies individually settable for each axis.
Notifications Various notification options, individually settable for each axis
Precision timing System Clock 1 ppm, this clock is disciplined by GPS, NTP
Data/user interface Intelligent Alerting System initiates communications or sends text message (SMS) or e-mail when an event is detected
Web Interface Easy to use command & control through embedded web server
FTP Built-in client protocol supporting FTP, SFTP, FTPS able to push to a server
Display 3 LED Run, Recording, Warning/Error
LCD-Display Status information, important settings, event-related information
Wireless Communication WIFI IEEE 802.11 b/g/n compliant
Mobile Network (option) Internal 4G modem, fallback 3G/2G

Power Supply

Supply Voltage 9 – 14.5VDC or 48V PoE
Power Consumption From 1 W to 1.4 W depending on the configuration (velocitymeter)
From 1.3 W to 1.7 W depending on the configuration (accelerometer)

I/O and Connectors

Type Metallic self-latching push-pull connectors with positioning key (LEMO)
Power Metallic connector with protective GND
GPS Connector for external GPS
LAN / PoE Communication with PC or network – Ethernet 100BaseT

Sensors (Internal)

Triaxial Velocitymeter

Type Velocity sensor with linearized frequency response
A3HV 315/1 (triaxial) (according to DIN 45669)
Principle Geophone
Measuring range full scale ± 100 mm/s
Frequency range 1 – 350 Hz
Case-to-coil motion 4 mm p-p
Dynamic range > 130 dB
Linearity/Phase According to DIN 45669 (class 1)
Cross axis sensitivity According to DIN 45669 (<5%)
Orientation Horizontal (floor) mounting or vertical (wall mounting)

Triaxial Accelerometer

Principle The MEMS accelerometer consists in a micro-machined capacitive
sensing element (MEMS) and a custom low-power mixed-signal
integrated circuit (ASIC) that includes an amplifier and differential
output stage
Hysteresis None
Dynamic range (100 Hz BW) typ. 100 dB (±4g)
Noise (10 to 1000 Hz) typ. 7 µgrms/√Hz
Frequency response 0 – 600 Hz
Measuring range ±4 g
Orientation Horizontal (floor) mounting or vertical (wall mounting)
Self test Test-pulse


Housing Aluminum, 120 x 180 x 100 mm
Weight 1.5 kg
Protection degree IP 65 (splash-proof)


Electrical Safety In compliance with IEC 61010
EMI/RFI In compliance with EN 61000
Environmental Shock: 30 g/11 ms half-sine
Heat: -20°C up to +70°C
Humidity: up to 100% RH
Vibration: up to 5 g (operating)
Conformity CE

File Name

MR3003C datasheet

Resource Type

Language Version Download

Speak with an Expert

I’m very happy with the quality of the instrumentation and technical support from RST, as always. They worked with us from the initial stages of the project to ensure that we were fully prepared and equipped to use the RSTAR network for the first time. They delivered everything within the tight project time frame to ensure that there were no delays on site, and the submersible tilt meters looked like new even after over twelve months of being submerged in Thames water!
-Richard Lipscombe, BEng (Hons), Director & Principle Consultant - RL Geotechnical Ltd