Fortis - Strong-Motion Accelerometer

Overview

The Fortis is a high-performance force-balance strong-motion accelerometer designed for measuring intense ground motion during earthquakes. It provides accurate acceleration data across DC to 100 Hz bandwidth, making it suitable for structural health monitoring, seismic hazard assessment, and near-field earthquake recording.

Key Specifications

• Sensor Type: Force-balance accelerometer
• Frequency Range: DC to 100 Hz
• Output Gain Options: ±4g, ±2g, ±1g, ±0.5g
• Self-noise: >0.06 Hz below NHNM
• Configuration: Triaxial orthogonal (ZNE)
• Housing: Stainless steel
• Compatible with Minimus digitizers

Applications

• Structural health monitoring
• Near-field earthquake recording
• Nuclear facility seismic monitoring
• Induced seismicity monitoring
• High-intensity seismic event capture

Standards & Certifications

Compatible with Minimus digitizers and Güralp Discovery software platform.