Borehole Accelerometer
The Borehole Accelerometer is a CSIRO-designed triaxial mine accelerometer with a fully sealed aluminium body, used in networks around block-cave mining for in-mine microseismic monitoring. It's valued for long-term stability, reliability, accuracy, wide bandwidth and low cost.
- Output
- Low-pass filtered, low-noise, high-precision
- Ingress
- High resistance to water ingress; rated for high-pressure applications
- Configuration
- Triaxial, biaxial or uniaxial
Overview
In detail
Design
The accelerometer uses a fully sealed aluminium body with reverse-wire protection, built for high resistance to water ingress and high-pressure downhole applications. It's available in low-noise, low-pass-filtered configurations across various frequency options, for high-precision, high-reliability microseismic monitoring.
Applications
It's used mainly for in-mine microseismic and ground-vibration monitoring, deployed as part of a sensor network around block-cave mining, and can be permanently grouted into a borehole for remote monitoring.
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Specifications
Technical specifications
- Configuration
- Triaxial, biaxial or uniaxial
- Body
- Fully sealed aluminium, reverse-wire protected
- Ingress
- High resistance to water ingress; rated for high-pressure applications
- Output
- Low-pass filtered, low-noise, high-precision
Related
Often specified alongside
ESS Earth
Strong Motion Accelerograph
- Range
- ±4g accelerometer range
- Storage
- Local SD card, continuous ring buffer
- Connectivity
- Ethernet or cellular modem telemetry (optional)
- Range
- ±2g, ±5g, ±10g and higher, up to ±400g full scale
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