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hydrostatic liquid level sensor
Kingmach hydrostatic liquid level sensor include the JMDL-47XXAT smart single-point settlement gauge for buried positions where a defined vertical movement must be followed through construction. It is used for subgrade settlement, embankment heave, base uplift in deep foundation pits, tunnel bottom uplift, dyke compression deformation, and pile foundation settlement. Published range options are 100 mm, 200 mm, 300 mm, and 400 mm. Resolution is 0.01 mm on 100 mm and 200 mm models, and 0.1 mm on 300 mm and 400 mm models. Gauge lengths cover 760 mm, 1240 mm, 1720 mm, and 2210 mm. The assembly includes a settlement plate, electrical displacement sensor, measuring rod with metal flexible conduit, anchor head, extension rod, and bottom anchor head. Its side-exit cable design helps reduce interference during pavement compaction. The product is strongest when the installation depth, plate location, cable route, fill layer, and first stable reading are documented before the buried parts disappear under later work.
Application of hydrostatic liquid level sensor
In road and railway subgrade work, hydrostatic liquid level sensor help track how fill, soft ground, and pile-net foundations behave after each construction stage. The risk is not only final settlement; engineers also need to know whether movement slows after compaction, continues after traffic loading, or restarts after rainfall. Kingmach JMDL-47XXAT can measure in-situ subgrade settlement and embankment heave with 100 mm, 200 mm, 300 mm, and 400 mm ranges. For longer pavement profiles, JMYC-62XXAD wide-range differential pressure hydrostatic sensors can compare several points against a reference, with 500 mm to 4000 mm ranges and 0.1 mm resolution. A practical subgrade monitoring plan records fill height, compaction stage, traffic opening date, groundwater condition, and nearby deformation readings. This helps maintenance teams decide whether the roadbed is consolidating normally or needs inspection before track or pavement defects appear. The monitoring team should keep point location, reference condition, construction timing, groundwater or water level notes, and nearby sensor behavior in one review file so the settlement curve can be interpreted without guesswork during later maintenance. The monitoring team should keep point location, reference condition, construction timing, groundwater or water level notes, and nearby sensor behavior in one review file so the settlement curve can be interpreted without guesswork during later maintenance.
The future of hydrostatic liquid level sensor
The future of hydrostatic liquid level sensor will include cleaner digital handover records. Settlement monitoring often lasts longer than the construction team stays on site, so owners need more than a table of values. A useful handover file should include model, serial number, range, reference point, tube route, ring depth, baseline, installation photo, cable tag, borehole number, and first stable reading. Kingmach products such as JMDL-47XXAT and JMCJ-1003/1005 especially benefit from this because embedded rods, magnetic rings, anchors, and borehole readings may be hard to inspect later. When that information is stored with the curve, maintenance teams can understand why a point was installed and how its settlement should be interpreted years later. Future records should make the instrument history as visible as the measurement itself, so old readings can still be trusted after staff changes, repairs, and new construction stages.
Care & Maintenance of hydrostatic liquid level sensor
Care and maintenance of hydrostatic liquid level sensor should begin before the first sensor is installed. Confirm whether the location needs an embedded single-point gauge, a hydrostatic leveling sensor, a wide-range differential pressure system, or a magnetic ring settlement water level gauge. Kingmach JMDL-47XXAT covers 100 mm to 400 mm embedded ranges, while JMYC-62XXAD covers larger 500 mm to 4000 mm hydrostatic ranges. Choosing the wrong range can shorten the useful life of the point or hide small early movement. The project file should record model, range, structure name, point elevation, expected movement direction, reference point, cable or tube route, and first stable value. During later checks, compare actual movement with the construction stage and nearby instruments. If a value approaches the end of travel, plan verification before the sensor saturates. Range management is maintenance because it protects the continuity of the settlement record.
Kingmach hydrostatic liquid level sensor
In underground works, hydrostatic liquid level sensor help separate vertical movement from the noise of excavation, support installation, groundwater, and nearby traffic. Tunnel bottom uplift, subway station settlement, foundation pit base heave, and adjacent ground movement can all affect construction safety. Kingmach JMDL-47XXAT is described for tunnel bottom uplift and base uplift in deep foundation pits, while hydrostatic products can compare several elevations across a station or tunnel section. The monitoring plan should define which reading triggers inspection, who receives the alert, and what nearby data should be checked. Settlement should be reviewed with displacement, support force, water level, tilt, and visual inspection. That wider view keeps a single curve from being overread or ignored. For critical infrastructure, the settlement point should be part of a wider review with displacement, tilt, strain, load, rainfall, and groundwater information. For critical infrastructure, the settlement point should be part of a wider review with displacement, tilt, strain, load, rainfall, and groundwater information.
FAQ
Q: What is JMCJ-1003/1005 used for?
A: It is used to measure layered underground settlement and groundwater level in foundations, subgrades, foundation pits, embankments, and underground structures.
Q: How does magnetic ring settlement reading work?
A: Magnetic rings are placed underground; when the probe senses a ring, audible and visual alerts help the operator read depth from the steel tape at the borehole.
Q: How is water level detected?
A: The water level component works by water conductivity and alerts when the probe contacts water.
Q: What accuracy is listed?
A: The listed measurement accuracy is plus or minus 1 mm.
Q: What field records are needed?
A: Keep borehole number, magnetic ring depth, previous reading, current reading, groundwater level, and operator notes together.
Reviews
Joshua Clark
We ordered a full monitoring solution including sensors and data loggers. Everything works seamlessly together. Great supplier!
Andrew Lee
The visualization software is intuitive and powerful. It helps us analyze monitoring data efficiently.
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