EN
ar
bg
hr
cs
da
nl
fi
fr
de
el
hi
it
ko
no
pl
pt
ro
ru
es
sv
tl
iw
id
lv
lt
sr
sk
sl
uk
vi
et
hu
th
tr
fa
ms
hy
ka
ur
bn
mn
ta
kk
uz
ku
mems tiltmeters
The JMQJ-7315ADS fixed tiltmeter is a key Kingmach mems tiltmeters product for biaxial structural tilt monitoring. It uses MEMS technology, a high-precision acceleration integrated chip, differential measurement principles, 16-bit AD sampling, RS485 digital communication, a unique electronic code, and lightning protection design. The product is used to observe inclination angle change and deformation of bridges, buildings, railways, and other structures relative to the horizontal plane, including hidden parts that are difficult to observe by conventional methods. Published specifications include +/-15 degrees dual-axis measuring range, 0.001 degree resolution, 0.01 degree accuracy, DC 9V to 24V supply, power consumption below 0.5W, RS485 digital output, -30 degrees Celsius to +80 degrees Celsius operating environment, 55 mm by 55 mm by 46 mm dimensions, IP68 protection, and 0.6 kg weight.
Application of mems tiltmeters
Bridge monitoring uses mems tiltmeters to observe pier rotation, bearing-area tilt, deck response, and substructure behavior that may not be obvious during visual inspection. A fixed JMQJ-7315ADS can measure biaxial tilt at structural points with 0.001 degree resolution and RS485 output, while JMQJ-7315RTU can transmit tilt data over 4G where cable routing is difficult. Tilt readings should be reviewed with temperature, traffic loading, bearing condition, deflection, strain, and settlement data. A small angular change near one pier has a different meaning from a synchronized response across several supports. The installation record should state axis direction, mounting face, baseline date, communication channel, and nearby structural member. This makes the bridge tilt curve useful for maintenance review, not just alarm display.
The future of mems tiltmeters
Low-power acquisition will matter more for future mems tiltmeters in remote or difficult sites. JMQJ-7915ATS includes a low-power mode that powers sensors only during measurement, and JMQJ-7315RTU uses battery-based wireless operation. These features are important for slopes, dams, railways, and temporary construction areas where mains power or frequent access may be limited. Future systems will likely use smarter wake-up intervals, battery health reporting, and power-aware sampling plans. The goal is not to reduce monitoring quality; it is to match energy use to the risk level and deformation speed. A stable slope may need slower readings, while an active excavation or storm period may need denser data. Power planning will become part of measurement planning.
Care & Maintenance of mems tiltmeters
Borehole systems for mems tiltmeters need careful mechanical and data maintenance. JMQJ-7915ATS uses a multi-point tandem inclinometer string with universal joints, connecting rods, suspension, cables, and an orifice acquisition module. During installation, record measurement spacing, borehole ID, casing condition, orientation, group assignment, and factory configuration. During inspection, protect the orifice, check cable strain, review module status, and compare depth points for abnormal jumps. If one depth changes sharply while neighboring depths remain steady, inspect both the ground condition and the instrument chain. Borehole data is most useful when every depth point remains tied to a clear physical position and a stable orientation reference.
Kingmach mems tiltmeters
For automated monitoring, Kingmach mems tiltmeters can reduce the need for repeated manual survey work in hidden or hazardous locations. Fixed and integrated units can connect to acquisition systems, while in-place inclinometer strings can collect multi-depth data through an orifice module. JMQJ-7315RTU is designed for remote unattended automatic measurement using 4G wireless communication. JMQJ-7915ATS supports wired or wireless upload from the acquisition module, and its low-power mode activates sensors only during data measurement. These features matter where access is restricted by traffic, excavation, weather, or operating infrastructure. Automation does not remove the need for field checks, but it gives owners a continuous record that can be compared with rainfall, groundwater, blasting, train operation, loading, or nearby construction events.
FAQ
Q: What are mems tiltmeters used for?
A: They measure angular change or internal deformation in bridges, buildings, railways, slopes, dams, foundation pits, tunnels, and other structures where tilt or deep movement must be monitored.Q: Which Kingmach model is used for fixed structural tilt?
A: JMQJ-7315ADS is a fixed MEMS tiltmeter with +/-15 degree dual-axis range, 0.001 degree resolution, RS485 output, and IP68 protection.Q: When is JMQJ-7315RTU useful?
A: It is useful when wireless remote monitoring is needed because it combines MEMS tilt sensing, 4G digital output, and battery power.Q: What does JMQJ-7915ATS measure?
A: It measures multi-point inclination inside a borehole using a vertical in-place inclinometer string and an orifice acquisition module.Q: Can tilt data be used with other sensors?
A: Yes. It is often reviewed with settlement, displacement, strain, load, water level, rainfall, vibration, and inspection records.
Reviews
Michael Anderson
The strain gauges and load cells are extremely accurate and stable. They performed very well in our bridge monitoring project. Highly recommended!
Ryan Lewis
Fast delivery and excellent product quality. The accelerometers and tiltmeters are highly reliable. Strongly recommend this company.
Latest Inquiries
To protect the privacy of our buyers, only public service email domains like Gmail, Yahoo, and MSN will be displayed. Additionally, only a limited portion of the inquiry content will be shown.
Ava***@gmail.comAustralia
Hi, I am looking for reliable tiltmeters and accelerometers for structural health monitoring. Please...
Emma***@gmail.comCanada
Dear Sir/Madam, we are interested in displacement transducers and settlement sensors for a geotechni...