ZET 7152-N VER.2 Seismograph

  • Mine site hazard areas control
  • Seismic processes and explosion oscillations control
  • Designed for geotechnical surveys use
  • Compact explosion-proof design
  • High accuracy

POR (price on request)


of Seismograph ZET 7152-N VER.2

Measuring channels specifications
Seismic recorder model ZET 7152-N
Measurement axes number 3 (X, Y, Z)
Measured physical values: linear acceleration
vibrational acceleration
vibration velocity
vibration displacement
Frequency range:
linear acceleration
vibrational acceleration
vibration velocity
vibration displacement
from 0,01 up to 400 Hz
from 3 up to 400 Hz
from 3 up to 400 Hz
from 3 up to 400 Hz
Measuring range:
linear acceleration
vibrational acceleration
vibration displacement
vibration velocity
from  -70 up to 70 m/s²
from 0,01 up to 14 m/s²
from  0,03 up to 150 mm/sc
from 0,003 up to 5 mm
Measuring tolerance:
linear acceleration
vibrational acceleration
vibration velocity
vibration displacement
± 0,5 m/s²
3 %
6 %
10 %
Relative interchannel overlapping ratio at the frequency of 20 Hz, max 1 %
Instant values recording: sampling frequency 10, 50, 100, 200, 400, 800 Hz
Averaged values sampling rate 10 Hz
Measurements reliability control sensing element integrity control,
measuring circuit control
Off-line mode
Off-line mode – operation time, min 24 h
Integrated battery full charge time, max 6 h
Battery type Li-Ion
Integrated non-volatile memory 8 Gb
Integrated memory card recording time at maximum sampling rate, min 150 h
Technical specifications
Data transfer interface Ethernet and USB 1.1 Full Speed
Data exchange speed 100, 300, 1000 Kbps
General specifications
Power voltage 12 V
Consumed power 1 W
Recorded data format ANA/ANP
conversion to CSV and SEG-Y formats via ZETLAB Software
Explosion protection type PB Exd I MB X explosion-proof mark
Average lifetime 10 years
Weight, max 5 kg
Dimensions, max 200×150×140 mm
Operation temperature range −20…+60 °C


of Seismograph ZET 7152-N VER.2

Off-line mode

Continious signals recording time: 24 h


Metrological self-check enables longer inter-verification interval

Mine version

explosion-proof casing, compact dimensions and light weight

10 years warranty

reliability and precision throughout operational cycle

Functions and internal design

of Seismograph ZET 7152-N VER.2

Seismograph consists of a digital triaxial high-sensitive seismic receiver and data recorder placed inside of a compact, explosion-proof package. The seismographs are used for measuring seismic impact parameters as well as for hazard mining areas control, seismic processes control, and research, explosion oscillations control, and also for geotechnical research.

Seismograph ZET 7152-N VER.2 settings and control panel is located under the lid of the explosion-proof casing:

  •  «USB» port — is used for connecting the seismograph to PC via USB interface for the purpose of configuration;
  • «SD» port — is used for transferring the registered signals data from seismograph non-volatile memory to PC via USB interface;
  • «CHARGE» port — is used for battery charger connection.

«POWER» key of the seismograph is used for start/stop of data recording process as well as for connection of the seismograph to PC for configuration purposes.

Seismograph for use in mines

The seismographs have sound indication:

  • single short signal — seismograph initialization process is complete;
  • single long signal — data recording process is started;
  • double short signals —  SD card not found (data recording is impossible);
  • triple short signals — time settings mistake, synchronization failure (data recording is impossible);
  • constant short signals— SD card failure in the course of data recording process (SD card memory overflow).

The seismographs perfectly suit for temporary mounting at the controlled area (it is possible to mount them both on the ground and solid surface – steel, concrete, etc.).

In the case of mounting on solid surfaces, it is necessary to fix the seismograph at the measurements area using screw connection and mounting holes (located at the bottom of the seismograph). In the case of mounting on a ground surface, it is necessary to use mounting pins (to be previously fixed in the seismograph mounting points).

When installing the seismograph in the research area it is necessary to align measuring axis “X” by azimuth (as a rule, direction to the North is used). Measuring axes direction is shown on the surface of the seismograph’s casing.

Basic configuration

of ZET 7152-N VER.2 seismograph

Basic equipment of a seismograph

Basic delivery scope of Seismograph ZET 7152-N VER.2 includes:

  • mine-safe seismograph with integrated  ZET 7152-N seismic recorder;
  • USB cable;
  • ZF120 battery charger;
  • pins for ground mounting: 2 pcs;
  • CD with ZETLAB Software;
  • set of operational documentation.

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