GL-CS60/120 Three-Component Broadband Seismometer with 60 s or 120 s Corner Period
Monitoring - Seismometers - x
GL-CS60/120 is a compact, low-power three-component broadband seismometer designed for high-precision earthquake and vibration monitoring. Featuring ultra-low self-noise, wide frequency response (60 s or 120 s to 80 Hz), and built-in electronic feedback with remote control capabilities, it delivers reliable performance for seismic networks, research, and long-term field deployments.
$9.500,00
OVERVIEW
Description
GL-CS60/120 Three-Component Broadband Seismometer
The GL-CS60/120 is a compact, low-power, high-performance three-component broadband seismometer engineered for accurate and reliable seismic monitoring. It combines triaxial broadband sensing, integrated data acquisition, and advanced electronic force-balance feedback in a single portable instrument, making it ideal for both permanent installations and field deployments.
Main Applications
The GL-CS60/120 is well suited for:
- National and regional seismic networks
- Natural earthquake observation
- Reservoir-induced seismicity monitoring
- Mine seismic event monitoring
- Oil and gas exploration
- Underground structure imaging and field surveys
- Long-term fixed or mobile seismic monitoring campaigns
Why Choose the GL-CS60/120?
The GL-CS60/120 delivers outstanding sensitivity, long-term stability, and operational efficiency in a compact form factor. With ultra-low power consumption, robust environmental tolerance, and comprehensive remote-control functionality, it provides a dependable solution for seismic research, hazard monitoring, and large-scale seismic network deployments worldwide.
Additional information
| Weight | 20 lbs |
|---|---|
| Dimensions | 20 × 15 × 15 in |
Key Features
Compact and Lightweight Design
- Dimensions: Φ150 × 213 mm (5.5 kg, bare unit)
- Packaged size: 220 × 220 × 300 mm (8 kg)
Wide Operating Environment
- Temperature range: −35°C to +55°C
- Relative humidity: 0–98%
Ultra-Low Power Consumption
- Less than 0.7 W during normal operation
High-Performance Sensing
- Self-noise between 0.025 Hz and 10 Hz, lower than NLNM
- Wide frequency response:
- 60 s – 80 Hz, or
- 120 s – 80 Hz
Advanced Sensor Architecture
- Three identical inclined pendulums distributed evenly along a circular arc
- Orientation: 54.7°, spaced 120° apart
- Integrated force-balancing electronic feedback
- Built-in coordinate transformation and control circuitry
Simple and Reliable Installation
- Dual-direction fixed pointers for precise alignment
- Automatic pendulum startup and zero adjustment
- Automatic locking during power-off
- Continuous zero-point monitoring for long-term stability
Remote Control Capabilities
- Remote unlock and locking
- Remote zeroing and calibration
- Zero-point status query
SPECIFICATIONS
- Structure: Three-axis integrated design, capacitive transduction, 54.7° UW configuration
- Bandwidth:
- GL-CS60: 0.0167 Hz – 80 Hz
- GL-CS120: 0.0083 Hz – 80 Hz
- Sensitivity: 2000 V·s/m ±1%
- Maximum Output Signal: ±20 V (differential, dual-ended)
- Dynamic Range: >155 dB (1–10 Hz)
- Output Impedance: <100 Ω
- Calibration Function: Internal resistance 50 Ω; sensitivity 95 V·s²/m
- Linearity Distortion: <0.1%
- Horizontal Sensitivity: <1%
- Total Harmonic Distortion (THD): < -60 dB
- Input Limit Velocity (1 Hz): >10 mm/s
- Parasitic Resonance: >160 Hz
- Power Supply: 12 VDC (operating range 9–18 VDC), average consumption <0.7 W
- Zero Adjustment: Automatic and remote-controlled
- Pendulum Control: Automatic swing release at power-on; automatic lock at power-off
- Weight: ~5.5 kg (instrument only), ~8 kg (with packaging)
- Dimensions: Ø150 × 213 mm (without handle), 220 × 220 × 300 mm (packaged)
- Operating Environment: -35°C to +55°C; relative humidity 0–98%
- Storage Environment: -55°C to +80°C
- Enclosure Protection: IP67 rated
Performance Graphics

GL-CS60/120 noise power spectral density and limit level curve















