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tiltmeters
The JMZX-7100L sliding inclinometer is a field profiling instrument within the Kingmach tiltmeters group. It is used for measuring horizontal displacement changes inside soil masses in dams, building foundations, embankment slopes, underground construction projects, geotechnical slopes, and port engineering. The instrument combines a sliding inclinometer probe with a 3D-MEMS silicon capacitor biaxial inclinometer sensor and an integrated testing instrument. It supports mobile phone APP reading, Bluetooth transmission, large storage capacity for millions of readings, data download for numerical and graphical analysis, real-time wireless network sending, Chinese and English menus, and dedicated post-processing software. Published specifications include +/-90 degrees sensor range, 500 mm guide wheel spacing reference, a probe size of 26 mm by 776 mm, 8.5 kg total weight, 2 kg probe weight, -20 degrees Celsius to +60 degrees Celsius operation, 180 m water pressure impermeability, and 100 g vibration resistance.
Application of tiltmeters
Dam and embankment monitoring use tiltmeters to follow angular change and internal deformation under water-level, seepage, consolidation, and seasonal effects. JMZX-7100L is used for horizontal displacement changes inside soil masses in dams and embankment slopes, while JMQJ-7915ATS can support fixed multi-depth monitoring in boreholes. Fixed tilt sensors may also be used on gallery structures, retaining walls, or equipment bases where angular change is important. Readings should be reviewed beside reservoir level, seepage, rainfall, pore pressure, settlement, and inspection notes. The work is long-term, so sensor orientation, borehole position, casing condition, and reference direction must be recorded carefully. A stable tilt or inclinometer record can help distinguish slow consolidation from localized deformation linked to water or structural change.
The future of tiltmeters
Future tiltmeters will be specified with clearer compatibility requirements. A sensor by itself is only part of the system; the acquisition module, power supply, communication route, cable, platform, enclosure, and report format all affect performance. Kingmach product pages already list compatible data recorders and related instruments, which helps project teams build a connected monitoring package. Future specifications should state data output, channel capacity, baud rate, wireless method, battery expectation, protection grade, operating temperature, installation accessories, and software export needs. Clear compatibility reduces site delays and makes maintenance easier when parts are replaced. For owners, it also keeps the tilt monitoring record from becoming tied to one undocumented setup.
Care & Maintenance of tiltmeters
Waterproofing maintenance protects tiltmeters in tunnels, slopes, dams, foundation pits, and outdoor structures. JMQJ-7315ADS lists IP68 protection, JMQJ-7315RTU lists IP65, JMQJ-7915ATS lists IP68, and JMZX-4QH lists IP67. These ratings help, but glands, connectors, cabinets, tube orifices, and field splices still need inspection after rain, flooding, dewatering, or washdown. Look for moisture inside enclosures, damaged seals, corrosion, loose plugs, and cable jacket cuts. For borehole systems, keep the orifice module protected from mud and site traffic. Record waterproof checks with date, weather, fault, repair action, and next reading. That record helps engineers separate true angular change from water-related data disturbance.
Kingmach tiltmeters
The technical strength of Kingmach tiltmeters comes from combining MEMS sensing with practical acquisition details. JMQJ-7315ADS uses a high-precision acceleration integrated chip, 16-bit AD sampling, RS485 communication, an electronic code, and lightning protection design. JMQJ-7315RTU combines MEMS sensing with 4G wireless communication and low-power operating modes. JMQJ-7915ATS uses automatic temperature compensation and multi-point series connection in a borehole. JMZX-7100L uses a MEMS biaxial inclinometer probe with Bluetooth transmission and mobile phone reading. These differences are useful because field projects vary widely. Some sites need high-frequency remote acquisition, while others need periodic manual profiling. A clear specification should state measuring range, axis direction, output signal, protection grade, data logger, and review interval.
FAQ
Q: How often should tiltmeters be inspected?
A: Inspection frequency depends on risk, access, construction stage, and deformation speed; active excavation or storm periods often need closer review.Q: What maintenance is needed for wireless tilt units?
A: Check battery status, antenna condition, upload timing, enclosure seals, point label, and platform channel naming.Q: What causes false tilt changes?
A: Loose mounting, disturbed cables, water entry, temperature effects, power faults, channel mistakes, or inconsistent manual reading can affect the record.Q: How should replacement be handled?
A: Record old and new model, serial number, range, baseline, reason, date, axis direction, channel name, and first stable value after replacement.Q: What makes tilt data useful over many years?
A: Consistent point naming, stable baselines, clear installation photos, protected hardware, visible maintenance records, and comparison with related site data.
Reviews
James Thompson
The tiltmeters and accelerometers are very sensitive and provide precise data. Perfect for our structural health monitoring system.
Christopher Martinez
Very satisfied with the readouts & data loggers. User-friendly interface and supports multiple sensor inputs.
Latest Inquiries
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Evelyn***@gmail.comSouth Africa
Hi, we are a contractor working on tunnel construction and need settlement sensors and displacement ...
Ava***@gmail.comAustralia
Hi, I am looking for reliable tiltmeters and accelerometers for structural health monitoring. Please...