DELTA-03 DIGITAL SEISMIC SIGNAL RECORDER

The Delta Seismic Recorder is designed to detect seismic signals from external (natural and artificial) seismic vibrations. It is a permanent seismic station with the possibility of data logging to a removable high‐capacity flash disk, and data transmission to a PC for real‐time analysis and recording.

The Delta Seismic Recorder is designed to detect seismic signals from external (natural and artificial) seismic vibrations.

It is a permanent seismic station with the possibility of data logging to a removable high‐capacity flash disk, and data transmission to a PC for real‐time analysis and recording.

The Delta‐03 includes the Delta‐03M signal recorder, cables, a magnetic antenna, a PCMCIA Flash disk (2 …. 32GB), and a socket to connect with the seismic cable.

FEATURES

4 (8) channels for easy connection to any sensor (i.e., seismometers,accelerometers)

Low power consumption

Remote control

Embedded mode of accuracy with internal GPS

Geophone calibration mode

Removable mass storage

Small size and lightweight.

 

APPLICATIONS

Micro‐zonation surveying

Earthquake Early Warning

Aftershock Warning.

 

COMMUNICATIONS

PC‐based via interfaces Ethernet 10/100 and RS‐232

SYNCHRONIZATION

Performed in real time; Recorder uses the high‐stability TCXO to maintain time accuracy; Internal GPS receiver sets and calibrates real‐time clock automatically within time points specified by operator or at the command of an operator.

TELEMETERING NETWORKS

The recorder is designed to be part of a telemetering network using the GSM system or satellite modems in the data transfer mode or telephone modems; Telemetering networking is possible using the Internet via GPRS modems and local networks with an external IP address.

SOFTWARE

The software is designed for Windows 9x/Me/2000/XP.

 

SEISMOGRAPHS BROCHURE

Specifications

 Number of Channels  4 or 8
 Dynamic  Range (100Hz)  133 dB
 Tempature range  -40..+60ºC
 Input voltage  10,5..20B
 Power consumption:  
 Writing to disk, no communication 4ch (8ch)  1W(1,4W)
 Writing to disk, no communication 4 ch (8ch)  1,2W (1,6W)
 Interface:  
 Ethernet  100Base-T
 RS-232  
 A/D Converter  24-bit
 Gain Selection  1,4,16,64
 Maximum Input Signal  5 B
 Common mode rejection  not less than 110 dB
 Noise level (at 50 Hz)  0,013
 Sample rates,sps 25, 31.25, 50, 62.5, 100, 125, 200, 250, 500, 1000
 FIR Filter  130 dB
 GPS-receiver  Internal
 Free-running Accuracy  2·10-7
 Recording capacity  PCMCIA Flash disk (2...32Gb)

 

The recorder can be packaged with compatible Lennartz velocimeters: LE-3DLite (1 .. 80 Hz); LE-3D/5s (0.2 .. 40 Hz); LE-3D/20s (0.05 .. 40 Hz) or accelerometers: A1632; A0531.

The recorder can be operated with any other types of seismometers.

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