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Single-point Settlement Meter
Selecting Kingmach Single-point Settlement Meter begins with the scale and shape of expected movement. A single embedded point, a hydrostatic comparison line, a wide-range profile, and a magnetic ring borehole answer different questions. JMDL-47XXAT covers 100 mm to 400 mm embedded settlement. JMDL-62XXADT and JMQJ-62XXADT provide 0.01 mm hydrostatic resolution for smaller vertical changes. JMYC-62XXAD covers 500 mm to 4000 mm with 0.1 mm resolution and 0.2%FS accuracy for larger movement. JMCJ-1003/1005 provides plus or minus 1 mm depth reading for magnetic ring settlement and water level checks. Selection should consider whether the structure will remain accessible, whether groundwater is part of the risk, whether automatic collection is required, and whether the reference point can remain stable for the full observation period. A short-range high-resolution instrument is not automatically better if the site may move beyond its travel. A large-range system is not always best if the project needs very small early warnings.
Application of Single-point Settlement Meter
Building projects use Single-point Settlement Meter when a foundation, basement, column line, retaining wall, or adjacent ground area needs a dated vertical movement record. The work often starts before the permanent structure is complete: excavation, dewatering, pile work, concrete loading, and backfilling can all change elevation patterns. Kingmach JMDL-47XXAT is relevant to pile foundation settlement and base uplift in deep foundation pits, while JMDL-62XXADT or JMQJ-62XXADT hydrostatic sensors can compare several building points from one reference. A useful layout may follow a gridline instead of only the most visible cracks, because differential movement across a structural bay is often more important than one isolated value. The record should connect each channel to a floor level, nearby column or wall mark, construction date, water condition, and visual inspection note. If one side of a basement drifts while another remains steady, the trend can guide more focused review. For occupied buildings, stable wiring, protected cabinets, and clear point labels matter because readings may continue through many inspection cycles.
The future of Single-point Settlement Meter
Future Single-point Settlement Meter will be specified as part of mixed monitoring packages. Settlement alone may show that a point moved downward, but it rarely explains the cause. A railway subgrade package may combine settlement gauges, rainfall, pore pressure, tilt, and vibration. A bridge package may combine hydrostatic settlement, strain gauges, load cells, temperature, and deflection readings. A foundation pit package may combine single-point settlement, groundwater level, retaining wall displacement, and support force. Kingmach already has product groups across settlement, displacement, strain, load, tilt, environmental monitoring, acquisition hardware, cables, and software. The next practical improvement is selecting the settlement product together with the logger, cabinet, communication route, warning levels, and inspection actions. This lets the monitoring network answer a site question instead of producing separate curves that must be interpreted after the fact.
Care & Maintenance of Single-point Settlement Meter
Manual-reading Single-point Settlement Meter should follow a repeatable procedure every visit. Use the same reference mark, reading direction, tape handling method, waiting time, and data sheet format. This is especially important for magnetic ring settlement gauges and borehole water level readings, where inconsistent field practice can create false changes. Record operator, weather, groundwater condition, borehole obstruction, battery condition, and any unusual sound or visual indication from the alert system. Do not round readings differently from one visit to the next. If manual data is later entered into software, keep the original field notes available for checking. Manual monitoring can be reliable over many years when the process is simple, dated, and boringly consistent. The goal is repeatability, not speed.
Kingmach Single-point Settlement Meter
Layered ground behavior is another reason to use Single-point Settlement Meter. Kingmach JMCJ-1003/1005 magnetic ring settlement water level gauge measures underground layer settlement and groundwater level in foundations, subgrades, foundation pits, embankments, and other underground structures. Magnetic rings are installed in boreholes, and the probe emits audible and visual alerts when it senses a ring. Water level is detected through conductivity when the probe contacts water. The listed accuracy is plus or minus 1 mm, with 30 m, 50 m, and 100 m depth options. This method gives engineers a way to separate shallow settlement from deeper layer movement while also seeing water level variation. It is especially useful when soil behavior and groundwater are tied together. If the curve changes suddenly, field teams should check reference stability, cable or tube condition, recent work, and weather before treating the value as structural movement. If the curve changes suddenly, field teams should check reference stability, cable or tube condition, recent work, and weather before treating the value as structural movement.
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
Daniel Brown
Excellent environmental monitoring sensors. The data is consistent, and the system integrates smoothly with our existing setup.
Andrew Lee
The visualization software is intuitive and powerful. It helps us analyze monitoring data efficiently.
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