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High performance, low noise, compact, broadband accelerometer with switchable gain

The Güralp Fortis is a strong motion accelerometer with an innovative, slim-line design for fast installation in any environment. For posthole deployments, the Fortis is also available in a stainless steel casing with 100 bar / 10 MPa waterproof
connector.

Key Features

  • Very low-noise components for high precision and enhanced dynamic range
  • Fixing bolt allows rapid installation for structural health monitoring
  • Slimline shape
  • Locally and remotely switchable gain from 0.5 to 4.0 g
  • Simple installation with a single M8 fixing bolt; robust and waterproof
  • No sensor levelling required
  • Isolated power supply for 10 - 36 V operation
  • Acceleration offsets adjustable for <1 mV precision

To read the full specification, view the Fortis datasheet. View as PDF

SYSTEM

Configuration / Topology: Triaxial orthogonal (ZNE)
Feedback: Force feedback.

PERFORMANCE

Response: DC – 100Hz
Gain switch options: 4 g, 2 g, 1 g or 0.5 g
Output sensitivity: 2.5 V/g, 5 V/g, 10 V/g, 25 V/g
Clip level: 4.2 g
Peak / Full scale output: Three channels - ±20 V (40 V peak-to-peak) differential
Cross axis rejection: 0.001 g/g
Linearity: 0.1 % full scale
Lowest spurious resonance: >450 Hz
Self-noise below NHNM: > 0.07 Hz (14 seconds)
Dynamic range: > 160 dB

CALIBRATION

Calibration controls: Independent signal & enable lines exposed on sensor connector

CONTROL

Mass control / locking: Remote offset zeroing

 

Fortis Accelerometer


Address

 

Guralp Systems Limited
Midas House
Calleva Park
Aldermaston
Reading
RG7 8EA, UK

Tel: +44 118 981 9056
Fax: +44 118 981 9943
E-Mail: sales@guralp.com

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