Seismic recorder ZET 048-I

Digital seismic recorder ZET 048-I (industrial version) is used for measurements and recording of the signals obtained from the seismic receivers. The recorders can be used off-line or within the scope of automated systems for seismic and seismological surveys performance by means of refracted and reflected waves, seismic-refraction sounding, converted seismic wave method as well as in the course of geotechnical research.

The recorders have a variable amount of measuring channels: 4, 8 and 16.

From 4 372 USD

Specifications

of seismic recorder ZET 048-I

Technical specifications
Amount of measuring channels 4, 8 or 16
Input channels type differential
Frequency range (bandwidth), at the sampling frequency of 2500 Hz 1000 Hz
ADC: number of digits 24 bit
Max. input range (Vin+ … Vin-) −10…+10 V
Max. input range of inverting/ non-inverting input −5…+5 V
Equivalent intrinsic noise level (at 50 Hz sampling frequency), max. 4 µV
Dynamic range 124 dB (at 50 counts per second)
120 dB (at 250 counts per second)
Analog path input resistance 100 kOhm
Analog path input capacity, max 10 pF
Consumed power 0,6 W
Baud rate via HighSpeed USB 2.0 480 Mbps
Baud rate via Ethernet 100 Mbps
Off-line mode: operational parameters
Integrated non-volatile memory volume (SD-card) 2 cards 32 Gb
Sampling frequency of recording to a memory card by channel 1,0 kHz
Record time to 32 Gb SD-card by 4 channels at 500 Hz sampling frequency over 1000 h
Read rate from SD-card (via USB) up to 800 kbps
Synchronization parameters
Time of GPS receiver activation from 2 up to 15 minutes
Indication of GPS synchronization state yes
Clock generator accuracy 0,1 ppm
Reliability parameters
MTBF, min 8 000 h
Average lifetime, min 10 years
Weight and dimensions
Dimensions 218×145×82 mm
Weight 2,0 kg

Advantages

of seismic recorder ZET 048-I

Dry contact

at threshold level exceeding

Power control

of seismic recorders

In-place

calibration of sensors

Synchronization of time

via PTP

GLONASS/GPS

georeferencing

SEG-Y

files convertion into various formats

Constant recording

hot swap of SD memory cards

OPC-client/ OPC-server

possibility of connection to SCADA-systems

Application spheres

of seismic recorder ZET 048-I

Structure

of seismic recorder ZET 048-I

Digital seismic recorder ZET 048-I is a 24-bit digital conversion module enabling high quality and reliability of seismic signals conversion.

The connection of seismic sensors to the industrial product version of the recorder is performed by means of additional power supply source.

Digital processing by each of the channels is performed by means of a separate ADC board.

For further processing of digitized signals, ZETLAB SEISMO Software can be used.

Main functions

of seismic recorders ZET 048-I

Analysis

spectral, wavelet, STA/LTA

Measurements

of acceleration, velocity, displacement

Visual representation

of signals in 2- and 3-dimensional form

Signals recording:

standalone mode / archive

Signals filtration

for the prevention of false alarm notifications

Data transfer

to third-party systems via OPC

Basic configuration

of digital seimic recorder ZET 048-I

Basic delivery scope includes:

  • Digital seismic recorder ZET 048-I;
  • Integrated memory card (32 Gb);
  • GPS-aerial + connection cable;
  • USB cable, Ethernet cable;
  • Power supply module 5 V (in the case if Ethernet connection is available);
  • CD with ZETLAB SEISMO Software and accompanying documents;
  • Set of operational documentation.

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