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angle sensor
The JMQJ-7915ATS vertical in-place inclinometer system gives Kingmach angle sensor a multi-point downhole monitoring method. The system consists of a multi-point tandem inclinometer string and an orifice acquisition module. Multiple MEMS inclination sensors are electrically connected through a single cable inside the borehole, while universal joints and connecting rods arrange measuring points according to design spacing. The system can divide sensors into up to four independent communication groups, uses automatic temperature compensation, and includes electronic identifiers for automatic recognition and intelligent calculation. Published specifications include dual-axis +/-90 degrees tilt range, 0.001 degree resolution, 0.01 degree accuracy, DC 9V to 24V operating voltage, power consumption below 0.2W, single-wire uplink communication at 1200 bps, -30 degrees Celsius to +70 degrees Celsius operating temperature, 0.35 m guide wheel spacing, about 0.8 kg weight, and IP68 protection.
Application of angle sensor
Tunnel projects use angle sensor to observe lining deformation, invert response, station box movement, shaft walls, and surrounding ground behavior. Fixed tiltmeters can be installed on structural surfaces, while in-place inclinometer systems can measure internal movement near excavation zones or adjacent slopes. JMQJ-7315ADS has IP68 protection and RS485 output, making it suitable for wet underground environments when the cable route and cabinet are protected. JMQJ-7315RTU may be useful where wireless transmission is practical. Data review should include excavation stage, support closure, groundwater, vibration, train operation, displacement readings, and crack records. The installation file should show chainage, ring number, side, axis direction, and photographs because many tunnel points look similar after construction finishes.
The future of angle sensor
Manual and automated methods will continue to coexist in future angle sensor programs. JMZX-7100L supports APP reading, Bluetooth transmission, large storage, data download, and post-processing software for sliding inclinometer surveys. Fixed products such as JMQJ-7315ADS and JMQJ-7315RTU support automated structural tilt monitoring. In practice, a site may need both. Automated sensors can watch key points continuously, while manual inclinometer profiling can confirm deeper deformation at scheduled intervals. Future monitoring plans should define how manual profiles and automated curves are compared, who reviews differences, and how field notes are stored. This mixed approach is useful in slopes, ports, foundation pits, dams, and underground works where access and risk change over time.
Care & Maintenance of angle sensor
Sliding inclinometer care for angle sensor requires consistent field procedure. JMZX-7100L uses a sliding probe with Bluetooth communication, APP reading, storage, and post-processing software. Field crews should use the same casing reference, probe orientation, depth interval, reading direction, and waiting time. Clean the probe after use, inspect guide wheels, check battery or reader status, confirm Bluetooth pairing, and download data before leaving the site. Record operator, weather, groundwater condition, casing obstruction, and any unusual resistance during movement. Small handling differences can create profile differences, so repeatability matters as much as instrument precision. Good manual practice keeps inclinometer profiles useful for comparing long-term soil movement.
Kingmach angle sensor
On busy construction sites, Kingmach angle sensor must survive dust, moisture, vibration, cable handling, and limited access. Product pages describe sealed waterproof and dustproof designs, MEMS sensing, differential measurement principles, and low-power operation for selected systems. JMQJ-7315ADS lists IP68 protection, DC 9V to 24V supply, RS485 output, and an operating environment from -30 degrees Celsius to +80 degrees Celsius. JMQJ-7315RTU adds 4G wireless output and a 3.6V 38AH battery for remote work. These details matter because tilt monitoring often runs after excavation, filling, traffic opening, or structural operation begins. Installation teams should protect mounting surfaces, cable entries, enclosure seals, and axis markings. A durable field setup keeps the tilt curve meaningful instead of turning every storm or cabinet fault into a data question.
FAQ
Q: How should angle sensor be installed?
A: The mounting surface or borehole position should be stable, the axis direction must be recorded, and the baseline should be saved after the instrument settles.Q: Why is axis direction important?
A: Tilt values only have engineering meaning when the positive and negative directions are tied to the structure, slope, tunnel, or borehole drawing.Q: Can these instruments work in wet sites?
A: Several Kingmach models list IP65, IP67, or IP68 protection, but glands, connectors, cabinets, and cable entries still need field inspection.Q: What should be checked during commissioning?
A: Check model, range, serial number, communication, power, baseline, point name, mounting photo, channel address, and related site condition.Q: Can a tiltmeter be reset after installation?
A: It can be re-baselined when necessary, but the old value, new value, reason, date, and technician should remain visible in the record.
Reviews
Ryan Lewis
Fast delivery and excellent product quality. The accelerometers and tiltmeters are highly reliable. Strongly recommend this company.
James Thompson
The tiltmeters and accelerometers are very sensitive and provide precise data. Perfect for our structural health monitoring system.
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