Products

Product specifications for land and marine seismic acquisition systems

This page lists 13 products with technical specifications formatted consistently in English. Data Acquisition Unit includes two product images.

Integrated Digital Seismometer

Compact Integrated Digital Seismometer

Data Acquisition Unit

Nodal Seabed Seismometer

Pop-Up Ocean Bottom Seismometer (OBS)

Buried Ocean Bottom Seismometer (Buried OBS)

Very Broadband Ocean Bottom Seismometer (VBB OBS)

Nodal Ocean Bottom Seismometer Docking Station

Deep-sea Power Supply

Land Instruments

Integrated Digital Seismometer

Integrated three-component digital seismometer for field seismic monitoring

Main specifications

Frequency bandwidth	5 s–250 Hz; 10 s–250 Hz; 20 s–200 Hz; 60 s–100 Hz; 120 s–100 Hz
Channels	Orthogonal three-channel
Dynamic range	≥120 dB
Complete machine sensitivity	≥500 V/m/s; tolerance better than ±5%
Time stability	5 × 10−7 s; built-in BD + GNSS positioning and timing
Sample rate	50, 100, 200, 500, 1000, 2000 sps
Continuous operating time	>45 days @ 25 ℃, 100 sps, autonomous mode; external power supply supported to extend working time
Self-calibration mode	Pulse self-calibration
Status display	LED + LCD
Interactive platform	Windows, Android, Linux
Data format	MiniSEED, Raw; convertible to SAC and many other formats
Data download	USB, plug-in TF card, Ethernet, Wi-Fi, optional 4G
Real-time data streaming service	Supports multi-terminal network real-time transmission of data streams; maximum 5 clients
Real-time data stream output delay	≤1 s
Remote control	Supports remote restart command reception and automatic instrument restart
Interaction interface	RS232, Ethernet, Wi-Fi, optional 4G
Induction identification	RFID electronic tags
Working angle	±5°
Operating temperature	−25 ℃ to +55 ℃
Waterproof depth	≥1 m
Size, full-size	≤152 mm × 152 mm × 240 mm
Weight	≤6 kg

Land Instruments

Compact Integrated Digital Seismometer

Node-based compact digital seismograph with integrated geophone, digitizer, battery and wireless communication

Product features

Fully integrated node-based digital seismograph with a standard built-in 5 Hz high-sensitivity geophone (5 Hz–150 Hz); optional built-in 10 Hz high-sensitivity geophone (10 Hz–250 Hz), 3.5 Hz high-sensitivity geophone (3.5 Hz–100 Hz), and other models; supports electronic frequency extension.
Built-in 30 Ah high-capacity rechargeable lithium battery; supports high-power fast charging with charging time <5 hours.
Built-in 24-bit Δ-Σ analog-to-digital converter; sampling rate and preamplifier gain are configurable.
Built-in high-sensitivity GNSS positioning and timing module; supports BeiDou, GPS and GLONASS; enables microsecond-level wide-area synchronization and instrument self-positioning.
Continuous satellite timing mode with clock synchronization accuracy better than ±1 μs.
Configurable scheduled acquisition function with flexible acquisition date and duration settings; supports multiple scheduled acquisition groups.
Built-in signal generator for on-site geophone self-test and calibration.
Built-in BLE and Wi-Fi wireless modules; ground communication distance ≥20 m and air-to-ground communication distance ≥100 m; supports manual, vehicle-based and UAV inspection.
Industrial-grade Android PDA supports on-site construction management, device self-test, wireless status monitoring and real-time waveform visualization; supports precise positioning and retrieval of buried field equipment.
Supports non-interactive mode for rapid automatic acquisition.
High-strength explosion-proof metal enclosure; waterproof rating IP68; flame-retardant and anti-aging; operating temperature range −25 ℃ to +55 ℃.
Compact size for field transportation and deployment.

Main specifications

Type	GS-S1, GS-S5, GS-S10, GS-S20, GS-S30 (three-component) GS-Z1, GS-Z5, GS-Z10, GS-Z20, GS-Z30 (single-component)
Frequency bandwidth	1 s–200 Hz; 5 s–200 Hz; 10 s–150 Hz; 20 s–150 Hz; 30 s–150 Hz
Dimensions, excluding spike	125 mm × 125 mm × 140 mm (three-component) 105 mm × 105 mm × 140 mm (single-component)
Weight	≤3.2 kg (three-component) ≤2 kg (single-component)
Continuous operating time	≤30 days @ 25 ℃, 100 sps, autonomous mode; external power supply can be connected to extend operating time (three-component) ≤15 days @ 25 ℃, 100 sps, autonomous mode; external power supply can be connected to extend operating time (single-component)
Supported operating platforms	Windows, Linux

Land Instruments

Data Acquisition Unit

Four-channel synchronous seismic data acquisition unit with barometric pressure acquisition

Main specifications

Model	SEIS-DAS-CH4
Acquisition channels	4-channel synchronous acquisition + 1-channel barometric pressure acquisition
A/D conversion	24-bit
Input impedance	5 kΩ
Input range	±10 V
Dynamic range	>135 dB @ 100 sps
Sampling rates	4000, 2000, 1000, 500, 200, 100, 50, 40, 20, 10, 5, 1 sps
Data format	MiniSEED; convertible to SAC and other formats
Internal storage	32 GB removable TF card, expandable to 64 GB or larger-capacity TF cards
Clock & positioning	GPS PPS synchronized clock; maximum clock error less than 1/2 sampling interval; supports Precise Point Positioning (PPP) with positioning accuracy better than 1 m
Self-calibration	Supports pulse calibration and sinusoidal calibration; user-configurable calibration parameters
Operating voltage	9–36 V
Communication interfaces	TCP/IP, FTP, NTP, RS232, USB, 5G, Wi-Fi and Bluetooth; supports network access
Seismometer control	Mass centering/unlock and mass locking functions; 3-channel zero-position detection
Auxiliary functions	Scheduled acquisition; status alarm; event detection

Marine Instruments

Nodal Seabed Seismometer

Compact seabed node for high-resolution marine seismic surveys

Main specifications

Model / frequency bandwidth	SEIS-OBN-S3: 3 Hz–250 Hz SEIS-OBN-S1: 1 Hz–200 Hz
Self noise	Lower than the NHNM curve across the whole frequency range
Complete machine sensitivity	200 V/(m/s) ±5%
Time stability	≤1 ms/month @ 4 ℃ with built-in atomic clock
Forward gain	1, 32 and 64 configurable
Amplitude consistency between channels	<5%
Phase difference between channels	<0.1 ms
Crosstalk suppression between channels	>100 dB
Lateral vibration suppression	Better than 0.1%
Overall power consumption	Autonomous working mode: <1 W @ 100 sps Acoustic communication working mode: <10 W @ 100 sps
Sample rates	100, 250, 500, 1000, 2000 sps
Lowest parasitic resonance frequency	>300 Hz
Calibration method	Pulse self-calibration
External power supply	9 V, single power charging
Status display	LED + PC
Working time	>30 days
Dynamic range	>120 dB
Storage	32 GB pluggable SD card; expandable to 64 GB or more
Data format	Raw, MiniSEED
Interfaces	Ethernet, RS232
Operating temperature	−25 ℃ to +55 ℃
Operating depth (max.)	≥30 m
OBN size	φ390 mm × 118 mm
Weight with built-in 175 Ah lithium battery	Approx. 18.5 kg with aluminum alloy shell Approx. 20 kg with titanium alloy shell Approx. 24.3 kg with stainless-steel casing

Marine Instruments

Pop-Up Ocean Bottom Seismometer (OBS)

Pop-up ocean-bottom seismometer for deep-water seismic and hydrophone acquisition

Main specifications

Model	SEIS-OBS-S1/S5/S10/S20/S30/S60/S120-D5000
Frequency band	1 s–200 Hz / 5 s–200 Hz / 10 s–150 Hz / 20 s–150 Hz / 30 s–150 Hz / 60 s–100 Hz / 120 s–100 Hz
Instrument dimensions	≤430 mm × 430 mm × 510 mm (13-inch sphere with lifting ring) ≤510 mm × 510 mm × 640 mm (17-inch sphere with lifting ring) ≤510 mm × 1050 mm × 640 mm (dual 17-inch spheres with lifting rings)
Instrument weight in air	≤22 kg (13-inch sphere, excluding anchor/coupling frame) ≤44 kg (17-inch sphere, excluding anchor/coupling frame) ≤93 kg (dual 17-inch spheres, excluding anchor/coupling frame)
Pressure rating / water depth	≥5000 m
Number of channels	4 channels (3-component velocity geophone or capacitive sensor + 1 hydrophone channel)
Continuous operating time	6 months
Maximum recovery interval	12 months
Hydrophone frequency range	Optional 0.1 Hz–5 kHz or 2 Hz–30 kHz
Total power consumption	0.6 W
Sampling rates	500, 250, 100 sps
Timing accuracy	OCXO, 0.01 ppm @ 4 ℃ or 0.0001 ppm @ 4 ℃ with built-in atomic clock
Internal storage capacity	32 GB
Instrument configuration	Wi-Fi
Seismic data retrieval	USB, Ethernet

Marine Instruments

Buried Ocean Bottom Seismometer (Buried OBS)

Buried ocean-bottom seismometer with capacitive transducer sensing and real-time LAN transmission

Main specifications

Model	SEIS-RTOBS-S30/S60/S120-D6000
Frequency bandwidth	30 s–100 Hz; 60 s–100 Hz; 120 s–100 Hz
Seismometer sensitivity	1000 V/(m/s)
Seismometer type	Capacitive transducer seismometer
Maximum seismometer output	5 V, single-ended
Sampling rates	500, 200, 100, 50 sps
Operating water depth	Optional 500 m, 2000 m, 3000 m, 4000 m
Housing material	Titanium alloy
Communication interface	Standard LAN Ethernet interface with real-time transmission
Power supply	12 V DC, 24 V DC
Data format	24-bit; convertible to SAC or other formats
Time synchronization	Supports NTP and PTP
Operating temperature	−25 ℃ to +55 ℃
Dynamic range	120 dB
Dimensions	φ375 mm × 485 mm; 250 mm × 320 mm
Weight	40 kg

Marine Instruments

Very Broadband Ocean Bottom Seismometer (VBB OBS)

Very broadband ocean-bottom seismometer for long-period seabed observation

Main specifications

Name	Very Broadband Ocean Bottom Seismometer
Model	SEIS-RTOBS-S60/S120/S360-C6000
Frequency bandwidth	60 s–100 Hz; 120 s–100 Hz; 360 s–5 Hz
Seismometer sensitivity	1000 V/m/s
Seismometer type	Capacitive transducer seismometer
Maximum seismometer output	5 V, single-ended
Sampling rates	500, 200, 100, 50 sps
Operating water depth	Optional 500 m, 2000 m, 3000 m, 4000 m
Housing material	Titanium alloy
Interaction interface	Standard LAN Ethernet interface with real-time transmission
Power supply voltage	12 V DC, 24 V DC
Data format	24-bit; convertible to SAC or other formats
Time synchronization	Supports NTP and PTP
Operating temperature	−25 ℃ to +55 ℃
Dynamic range	120 dB
Dimensions	1000 mm × 1000 mm × 600 mm
Weight	350 kg

Marine Support & Communication

Nodal Ocean Bottom Seismometer Docking Station

Docking station with clock source, charger unit and industrial control computer

Clock source

External reference signals	Master clock: BeiDou/GPS module 1PPS and BeiDou/GPS module UTC Slave clock: master clock 1PPS, master clock UTC and time information
Internal time base	Master clock: CPT rubidium atomic clock module Slave clock: disciplined crystal oscillator module
1PPS output channels	24 channels
10 MHz output channels	1 channel
Reference disciplining time	Master clock ≤30 min; slave clock ≤1 min
Disciplining frequency accuracy	≤1E−12/day, average
1PPS time difference measurement accuracy	≤0.02 ns RMS
1PPS time difference measurement range	−500 ms to +500 ms
Frequency measurement interval	10 s
Underwater clock serial interfaces	1 bidirectional transceiver port and 6 unidirectional ports; default RS232 level, internally switchable to RS422 level
Operating temperature	−30 ℃ to +60 ℃
Form factor	19-inch standard rackmount chassis, height 2U, depth 300 mm
Weight with two batteries	Master clock <6 kg; slave clock <4 kg
Power supply	Master clock: AC 176–260 V with built-in battery; slave clock: AC 176–260 V
Power consumption	Master clock ≤50 W charging and ≤15 W operating/non-charging; slave clock ≤8 W
Battery operation time	Master clock >5 h; slave clock 0 h
Battery charging time	Master clock: 5 h
Dimensions	600 mm × 600 mm × 1200 mm

Charger unit

Input voltage	180–260 VAC, 50 Hz / 60 Hz
Total power	1000 W
Output interfaces	12 channels
Output voltage	Adjustable 10–15 V; factory default 12 V
Ripple & noise	200 mVp-p
Voltage accuracy	1.5%
Maximum output current	5 A/channel at DC 24 V; 10 A/channel at DC 12 V
Status display	LCD
Monitoring parameters	Output voltage, current, power consumption, temperature, energy usage, charging time, etc.
Intelligent cooling	Cooling fan automatically turns on at ≥50 ℃ and turns off at ≤40 ℃
Operating temperature	−20 ℃ to +70 ℃
Storage temperature	−40 ℃ to +80 ℃
Protection	Over-temperature and over-voltage protection with automatic recovery after restart
Vibration resistance	10–500 Hz, 5 G for 10 minutes
Installation	Supports standard rack integration; when multiple chargers are integrated, a high-power power sequencing controller is required with staggered startup intervals to avoid excessive inrush current and ensure electrical safety
Form factor	19-inch 2U standard rackmount chassis

Industrial control computer

Processor	Six-core Intel Core i5-8500
Memory	16 GB RAM
Storage	128 GB SSD, M.2 interface
Drive bays	Supports two hot-swappable hard drive bays
Power supply	850 W single power supply
Network interfaces	2 × Gigabit Ethernet ports
Storage options	Configurable hard drive options available

Marine Support & Communication

Deck Machinery

Deck-side acoustic communication and recovery support system

Main specifications

Name	Deck Machinery
Model	ATR-UNIT-P(C)
Sonar bandwidth	8–16 kHz
Transmit sound source level	193 ± 2 dB ref. 1 µPa @ 1 m
Transducer beam	Omnidirectional
Maximum communication distance	≤10 km
Received signal	FSK
Minimum detection signal	70 ± 3 dB
Power supply	External 100–240 V AC
Charging voltage	160–240 V AC
Waterproof rating	IP65
Transducer weight	12 kg including 30 m cable
Effective response distance	>10000 m with enhanced transducer
Operating temperature	−5 ℃ to +50 ℃
Instrument dimensions	≤470 mm × 360 mm × 230 mm
Weight	≤10 kg

Marine Support & Communication

Deck Clock

Deck-side timing and frequency reference equipment

Signal and frequency reference

External reference signals	Master clock: BeiDou/GPS module 1PPS and UTC; slave clock: master clock 1PPS and master clock UTC time information
Internal time base	Master clock: CPT rubidium atomic clock module; slave clock: disciplined crystal oscillator module
Reference disciplining time	Master clock ≤30 min; slave clock ≤1 min
Disciplining frequency accuracy	≤1E−12/day, average

Output and measurement accuracy

Output channels	24 × 1PPS output channels; 1 × 10 MHz output channel
1PPS time difference measurement accuracy	≤0.02 ns RMS
1PPS time difference measurement range	−500 ms to +500 ms
Frequency measurement time	10 s

Interfaces and communication

Underwater clock serial ports	1 bidirectional transceiver port and 6 unidirectional ports
Signal level	Factory default RS232 level; internally switchable to RS422 level on the main board

Physical and environmental characteristics

Operating temperature	−30 ℃ to +60 ℃
Dimensions	19-inch standard rackmount chassis, 2U high, 300 mm deep
Weight with two batteries	Master clock <6 kg; slave clock <4 kg

Power and consumption

Power supply	Master clock: AC 176–260 V with built-in battery; slave clock: AC 176–260 V
Power consumption	Master clock ≤50 W during charging and ≤15 W during operation/non-charging; slave clock ≤8 W
Battery performance, master clock	Operation time >5 h; charging time 5 h

Marine Support & Communication

Acoustic Clock

Subsea acoustic timing instrument with rechargeable and primary lithium battery supply

Main specifications

Name	Acoustic Clock
Model	SEIS-ATC-S1-D300
Instrument weight	≤25 kg
Instrument dimensions	Φ120 mm × 800 mm
Operating water depth	200 m
Transmit sound source level	195 dB ref. 1 µPa @ 1 m
Transmit waveform	Linear frequency modulation signal
Transmit pulse width	10 ms
Transmit interval	15 minutes; 1 hour
Transmit frequency	10 kHz–14 kHz
Clock accuracy	OCXO, 0.01 ppm @ 4 ℃ or 0.0001 ppm with built-in atomic clock
Continuous operating time	>40 days
Operating temperature	−10 ℃ to +60 ℃
External interface	PPS / serial port
Internal power supply	Rechargeable lithium battery + primary lithium battery pack

Marine Support & Communication

Acoustic Modem

Underwater acoustic communication modem with adjustable transmit power

Main specifications

Name	Acoustic Modem
Model	SEIS-AC-S1-D300
Center frequency	12 kHz
Maximum communication distance	12 km
Maximum operating water depth	6 km
Peak communication rate	6 kbps
External interface	RS232
Power supply	DC 24 V
Listening power consumption	10 mW
Receiving power consumption	2 W
Transmit power consumption	60 W–300 W adjustable
Transducer directivity	Conical / half-space

Marine Support & Communication

Deep-sea Power Supply

High-power deep-sea battery power supply module

Main specifications

Model	SEIS-CHG-DC9
Dimensions	Φ250 mm × 320 mm
Pressure rating	6000 m
Battery capacity	260 Ah
Supply voltage	9 V
Rated current	>1 A