GCR-16 Strong Motion Recorder, now a legacy product, utilised the modern processor technology to carry out vibration measurements according to DIN 4150 part 1 and 2 and Swiss Norm SN 640312a.
GCR-16 was suitable to use for blast- or construction-induced vibration monitoring.
A wide range of GeoSIG sensors as well as various user selectable parameters allowed configuration of the GCR-16 easily and specifically to the requirements of the desired measuring task.
The GCR-16 contained two separate recording memories, one to record continuous signals, and other to store individual events. With corresponding configuration of the recording parameters, the GCR-16 could be used either as a specific blasting surveillance recorder or as a permanent data recorder for ramming works, tunnel, bridge or traffic surveillance. The standard configurations and the defined user configurations could be transferred very easily from the PC to the GCR-16.
The system fulfilled all requirements needed for a permanent surveillance. Transferring data to PC while recording was also possible and could be done also through a modem.
The recorded data were retrieved to PC with the
GeoDAS Communication Package, analysed and evaluated with the
GeoDAS Data Analysis Package.
The
GeoDAS Data Analysis Package has been developed by GeoSIG while also considering the needs of the measuring engineer. It contains all necessary functions and performances for detailed evaluation e.g. vector sum, frequency spectrum (FFT, Terzband and Power Spectrum), integration and double integration, effective value according to DIN 4150, filtering, response spectrum, CAV (Cumulative Absolute Velocity) as well as zooming and plotting data.
The GCR-16 was equipped with an internal GSM modem and it could call or send SMS messages to predefined numbers. The format of the messages were:
New Event on
Peak:
The GSM modem additionally enables Dial-in Access.
An Internal Alarm Interface included 2 Seismic Alarms plus an Equipment Fault Alarm which gave relay contacts that could be delivered Normally Open (NO) or Normally Closed (NC), facilitating the use of immediate operation of mission critical circuits and/or visual/audible notification.
Product Documents:
Quick User Manual
User Manual Appendix - Procedure Analog Modem
User Manual Appendix - Connectors
User Manual Appendix - MOXA
User Manual Appendix - GPS
User Manual Appendix - GSM Modem
User Manual Appendix - Alarm
User Manual Appendix - Internal Modem 
