Definition
A force balance accelerometer is an accelerometer architecture that uses closed-loop feedback to measure acceleration with stability and dynamic range suited to strong motion and engineering monitoring.
Engineering Principles
The sensor maintains a proof mass near a null position using feedback, and the feedback signal is proportional to acceleration.
Applications
- Strong motion stations
- Earthquake early warning
- Structural monitoring
- Borehole accelerograph systems
Related Technologies
- accelerographs
- digitizers
- edge warning logic
Related Products
- Palert-F330 Tri-Axial Force Balance Accelerograph for Earthquake Early Warning and Structural Monitoring
- Triton Accelerograph – High-Performance Compact Seismic Data Acquisition System
- LTFB-160 TRUE MECHANICAL FORCE BALANCE ACCELEROMETER
- SA10 TRUE MECHANICAL FORCE-BALANCE ACCELEROMETER
- AA222 Tri-Axial Force Balance Accelerometer (FBA)
- DATUM EF410 Distributed Digitizer
Industry Standards
These standards bodies and documents may be relevant by topic or project context. This page does not claim product compliance unless a product page or source document explicitly supports that claim.
- ISO: ISO standards may be relevant to quality systems, calibration traceability, measurement terminology, environmental management, and technical documentation practices.
- IEEE: IEEE standards may be relevant to electrical interfaces, data communication, instrumentation terminology, and power or electronics practices depending on the project scope.
- IBC: The International Building Code may be relevant to building design, seismic provisions, and owner requirements, but product pages should not imply code compliance unless supported by source documentation.
Decision Guide
| Question | Why it matters |
|---|---|
| What physical quantity must be measured? | Defines sensor type, range, sampling, and installation method. |
| What engineering decision will use the data? | Prevents collecting data that cannot support action or interpretation. |
| What environment will the system operate in? | Affects enclosure, power, cabling, telemetry, and maintenance choices. |
| What documentation is required? | Determines datasheets, calibration records, drawings, and submittal requirements. |
Troubleshooting Considerations
- Verify sensor mounting, orientation, and baseline records before interpreting anomalies.
- Review power, timing, grounding, cabling, telemetry, and storage before replacing instrumentation.
- Separate environmental noise from the measured engineering event whenever possible.
Frequently Asked Questions
Is this page a compliance statement?
No. It is an engineering entity reference. Compliance must be verified against product documentation, project specifications, and applicable jurisdictional requirements.
How should related products be selected?
Start with the measurement objective, then confirm sensor compatibility, data acquisition needs, installation constraints, and documentation requirements.
Can this entity be part of a larger monitoring system?
Yes. Many QuakeLogic systems combine sensors, instruments, software, telemetry, and engineering workflows.
References
- QuakeLogic product catalog and engineering resource pages.
- Applicable owner specifications, jurisdictional codes, and source manufacturer documentation.
- Relevant public standards bodies listed in the standards section.
