Digital Instruments

Our highly innovative digital product line as designated by the suffix ‘d-‘ includes an embedded microcontroller that provides highly accurate measurements reported in real-world units. This technology provides many key advantages to our users.

Our digital instrument product line can be divided into three categories: Ground movement monitoring, Reinforcement monitoring, and Geoenvironmental monitoring.

Ground Movement Monitoring

d-Exto

1 to 6-Point Multi-Point Borehole Extensometer combines a traditional multi-rod design and digital signal processing to result in dramatically improved accuracy…

d-Civil-Exto

YieldPoint adapted its world-renowned dExto extensometer for installations in soils.  YieldPoint’s soil extensometer has higher profile anchor points and adjustable…

d-MPBX

The d-MPBX is a 2-6 point borehole extensometer with spring loaded anchors for deployment in soft rock mining situations.  It is simply pushed into a 33-50mm borehole…

d-GMM

The d-GMM is a single channel Ground Movement Monitor available in two different technologies.  The d-GMM(Spectre) is our most…

d-Micro

μm resolution crack-meter for precise measurement of single cracks or interfaces…

d-Conv

YieldPoint’s d-Conv is a fully functional closure solution compete with a high accuracy displacement sensor with/without the associated hardware to monitor roof to floor convergence…

d-Tilt

d-Tilt is a full 360 arcdeg triaxial tiltmeter for very precise measurement (0.001 arcdeg resolution) of changes in inclination…

d-Slough

Digital sloughmeter can be read and logged with YieldPoint technology.   LED warning in case of rock fall…


Support System Monitoring

d-Cable

d-Cable can monitor the load distribution along 7-wire strand cable bolts and output the result directly in tons or mm…

d-Rebar/d-Bolt

d-Rebar/d-Bolt  The d-Rebar is a digitally instrumented rebar or Normet D-Bolt with 6 long baselength inductive strain gauges.  These are…

d-Split

The d-Split is an instrumented Split-Set bolt developed by YieldPoint and International Rollforms. The instrumentation measures the axial deformation…

PullTest

A turnkey system with both electronics and hydraulics to collect load0displacement response during QA underground pull tests on support elements…

YieldPoint has worked closely with bolt manufacturers around the world such as International Rollforms (d-Split), Normet (d-Bolt), Jennmar (d-YieldLok), DSI (d-Threadbar) to develop custom solutions for rock reinforcement products. Currently, we are in the early stages of developing an instrumented Swellex bolt. If you require a customized instrumented solution for a particular product, we have the expertise to develop a monitoring solution that can potentially demonstrate the effectiveness of that product.


Geo-environmental monitoring

d-Plucker

The d1Plucker and d4Plucker are small, low cost units that instantly convert vibrating wire (VW) transducers such as load cells…

d-Temp

d-Temp is a thermo string with 5-20 temperature sensors packaged within a waterproof plastic sleeve…

d-CSIRO

d-CSIRO is a CSIRO HID cell running YieldPoint’s d-Tech firmware to interface with dReader, dLogger and dMesh…


Please contact YieldPoint to review your requirements.

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