Acoustic Monitoring Systems
Sigma 3+ Recording System
The Sigma 3+ is a robust and versatile nodal seismograph featuring a new streamlined case that is smaller and lighter while maintaining the same excellent performance as the Sigma Box. The system supports continuous recording, making it suitable for monitoring applications and autonomous seismic operations.
Sigma 4+ Recording System
The Sigma 4+ is a robust and versatile nodal seismograph designed with an improved streamlined case that is compact and lightweight while maintaining excellent performance. It is available with 3 and 4 channel configurations to support different survey requirements.