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The Jewell ASB Series Angular Accelerometer is a general-purpose ±200 radian/second² to ±1000 radian/second² device for industrial, commercial, and sensing requirements.

The Jewell ASM Series Angular Accelerometer is configured specifically to yield a combination of miniaturization, high accuracy, and ruggedness.

The Jewell ASXC Series Fluid Rotor Angular Accelerometer is a force balanced servo accelerometer that uses a fluid-filled ring chamber to measure angular acceleration.

The Jewell DXA-100/200 Series single or dual digital accelerometer takes Jewell’s highly accurate analog closed-loop sensor technology to the next level.

This DXA-100/200 model meets CELELEC/AREMA Standards for railway applications.

The Jewell LCA-100 Series Accelerometer is a general-purpose ±0.5g to ±5g device designed for industrial, commercial, and aerospace sensing requirements.

The Jewell LCA-165 Series accelerometers are configured specifically to yield a combination of high accuracy and ruggedness in railway applications.

This LCA-165 model meets CENELEC/AREMA Standards for railway applications.

The Jewell LCF-200 Series Flexure LCF-200 Series Accelerometer Suspension Fluid Damped Accelerometer is a ±0.5G to ±5G device designed for applications where high levels of shock and vibration are present.

The Jewell LCF-2530 Series is a dual-axis version of the rugged, high accuracy LCF Series.

The Jewell LCF-3500 Series Flexure Suspension Fluid Damped Tri-Axial Accelerometer is a ±0.5G to ±5G device designed for applications where high levels of shock and vibration are present.

The Jewell LSB Series Accelerometer is a general-purpose ±0.5G to ±20G device designed for rail, commercial, and aerospace sensing requirements.

This LSB model meets CENELEC/AREMA Standards for railway applications.

The LSM offers equivalent features to the LSA in a smaller package – approximately 1? cube.

The Jewell SMA Series accelerometer is a low-cost, high-precision sensor designed with higher accuracy than comparable MEMS devices.

The AMA is based on silicon micro-machined MEMS Capacitive Accelerometer technology and designed for low power and high stability.

The DMA is based on silicon micro-machined MEMS Capacitive Accelerometer technology and designed for low power and high stability.

The JMA series is a robust and rugged design for industrial use, but with the benefit of low-cost MEMS technology.

The JMA series is a robust and rugged design for industrial use, but with the benefit of low-cost MEMS technology.

The JMA series is a robust and rugged design for industrial use, but with the benefit of low-cost MEMS technology.

The Jewell JMA-165 series MEMS accelerometers are CENELEC and AREMA qualified for rail applications.

This is the heated version of the JMA-165 series MEMS accelerometers.

The Jewell Instruments QFA-125 Series Accelerometers are state-of-the-art quartz flexure technology that provides high accuracy, repeatability, and stability even in the harshest of environments.

The Jewell Instruments QFA-150 Series Accelerometers are state-of-the-art quartz flexure technology that provides high accuracy, repeatability, and stability even in the harshest of environments.

The Jewell Instruments QFA-180-30G-LC Series Accelerometers are state-of-the-art quartz flexure technology that provides high accuracy, repeatability, and stability even in the harshest of environments.

The Jewell Instruments QFM-180 Series Miniature Accelerometers are state-of-the-art quartz flexure technology that provides high accuracy, repeatability, and stability even in the harshest of environments.

The Jewell DXI-100/200 Series single or dual digital inclinometer takes Jewell’s highly accurate analog closed-loop sensor technology to the next level.

The Jewell eDXI-100/200 Series is a single or dual digital inclinometer with the convenience of Ethernet output.

The Jewell LCF Series flexure suspension servo fluid damped inclinometer is a ±1° to ±90° device designed for applications where high levels of shock and vibration are present.

The Jewell LCF 196 Series is a high-accuracy sensor designed for applications where high levels of shock and vibration are present.

The LCF-300 Series Inclinometer is a rugged, high-performance, single-axis tilt sensor designed for peak performance in extreme conditions.

The LCF-300 Series Inclinometer is a rugged, high-performance, single-axis tilt sensor designed for peak performance in extreme conditions.

The LCF-300 Series Inclinometer is a rugged, high-performance, single-axis tilt sensor designed for peak performance in extreme conditions.

The Jewell LCF 2000 Series dual-axis inclinometer is a rugged, high-accuracy version of the LCF Series.

The Jewell LCF-2330 Series Inclinometer is a dual-axis version of the rugged, high-accuracy LCF Series.

The Jewell LCF 3000 Series tri-axis inclinometer is a rugged, high-accuracy version of the LCF Series.

The Jewell LCI Series flexure suspension servo inclinometer is a ±3° to ±90° device designed for low-frequency tilt sensing applications.

The LSO Series fluid damped, flexure suspension, servo inclinometer is designed to meet the needs of a variety of commercial, industrial, and aerospace applications.

The LSOX Series Inclinometer is a rugged, high-performance, single-axis tilt sensor designed for peak performance in extreme conditions.

The LSOX Series Inclinometer is a rugged, high-performance, single-axis tilt sensor designed for peak performance in extreme conditions.

The LSOX Series Inclinometer is a rugged, high-performance, single-axis tilt sensor designed for peak performance in extreme conditions.

The Jewell LSRP Series inclinometer is an extremely sensitive, rugged transducer designed to provide horizontal angle or vertical deviation measurements with virtually infinite resolution.

The Jewell Emerald Series inclinometer is a low-cost, high-precision inclinometer designed with higher accuracy than comparable MEMS devices.

The Jewell Emerald Series inclinometer is a low-cost, high-precision inclinometer designed with higher accuracy than comparable MEMS devices.

The Jewell Emerald Series inclinometer is a low-cost, high-precision inclinometer designed with higher accuracy than comparable MEMS devices.

The Jewell Emerald Series inclinometer is a low-cost, high-precision inclinometer designed with higher accuracy sensor than comparable MEMS devices.

The Jewell Emerald Series inclinometer is a low-cost, high-precision inclinometer designed with higher accuracy sensor than comparable MEMS devices.

The Jewell Emerald Series inclinometer is a low-cost, high-precision inclinometer designed with higher accuracy than comparable MEMS devices.

The AMH Series is a single or dual-axis, high-precision MEMS inclinometer.

The AMI Series is a single or dual-axis, high-precision MEMS inclinometer with built-in thermal compensation.

The Jewell Instruments model AML is a low-cost analog MEMS inclinometer for industrial applications.

The Jewell Instruments model AMS is a mid-level performance analog MEMS inclinometer for industrial applications.

The Jewell Instruments model DMH is a high-precision digital MEMS inclinometer.

The Jewell Instruments model DML is a low-cost digital MEMS inclinometer for industrial applications.

The model DMS is a mid-level performance digital MEMS inclinometer for industrial applications.

The JDI-100/200 series is a digitally temperature compensated inclinometer available in single and dual-axis configurations.

The JMI-100/200 series is a robust and rugged MEMS inclinometer available in single and dual-axis configurations.

The JMI-100/200 series is a robust and rugged MEMS inclinometer available in single and dual-axis configurations.

The JMI-100/200 series is a robust and rugged MEMS inclinometer available in single and dual-axis configurations.

The ECV eCompass Series is a 3D electronic compass providing stable azimuth, pitch, and roll measurements in dynamic conditions.

The ECL low power digital compass is designed specifically for commercial, industrial, and military users.

If your compass application involves vibration, acceleration, uneven terrain, or rough seas, the ECG Series, a gyro-stabilized electronic compass, is an uncompromising solution that will outperform rival units that cost more.

The Jewell LCF 196 Series is a high-accuracy sensor designed for applications where high levels of shock and vibration are present.

The A850 MEMS Tuff Tilt series is available in uniaxial and biaxial configurations. This presents a robust and rugged design for industrial use.

The A850 MEMS Tuff Tilt series is available in uniaxial and biaxial configurations. This presents a robust and rugged design for industrial use.

The C850 MEMS Tuff Tilt series is available in uniaxial and biaxial configurations. This presents a robust and rugged design for industrial use.

The model 875 Mini “Tuff Tilt” Tiltmeter combines high precision and durability in a miniaturized and economical instrument package.

The model 875 Mini “Tuff Tilt” Tiltmeter combines high precision and durability in a miniaturized and economical instrument package.

The model 875 Mini “Tuff Tilt” Tiltmeter combines high precision and durability in a miniaturized and economical instrument package.

The model 900 Biaxial Clinometer is an inexpensive, gravity-referenced clinometer (tiltmeter) with a wide dynamic range.

The model A901 and A902 Slimline Biaxial Clinometers deliver the same performance as our model 900 but in a slim, compact package.

The model C901 and C902 Tulip Uniaxial Clinometers deliver the same performance as our model A900-series, but with 4-20mA output.

The model A904 “Clinometer Pak” is a low-cost biaxial inclinometer housing a rugged weatherproof enclosure.

The model A906 “Little Dipper” is a precision, low-cost In-Place Inclinometer (IPI) system for monitoring slopes, retaining walls, embankments, ground subsidence and settlement, and more.

The model C904 “Clinometer Pak 420” uniaxial clinometer delivers the same reliable performance as the A904, but with 4-20mA output.

The biaxial model MD900-T is an economical digital clinometer with powerful firmware features.

The IRIS Tilt Switch and Controller powerful tilt control device with advanced firmware features.

The Model 801 “Tuff Tilt” Analog Tiltmeter combines high precision and durability in an economical instrument package.

The model C801 “Tuff Tilt 420” delivers the same precision and durability as our A801, but with 4-20mA output.

The model D801 “Tuff Tilt Digital” is a high-performance, digital tiltmeter with advanced firmware features.

The model A802 Deepwater is a high-precision submersible tiltmeter for use in marine, offshore, and deep ocean applications.

The model C802 Deepwater is a high-precision submersible tiltmeter for use in marine, offshore, and deep ocean applications with 4-20mA output.

The model D802 Deepwater is a high-precision submersible tiltmeter for use in marine, offshore, and deep ocean applications.

The model A820 Shallow Water is a high-precision submersible tiltmeter for use in fresh and salt water applications.

The model C820 Shallow Water is a high-precision submersible tiltmeter for use in fresh and salt water applications with 4-20mA output.

The model D820 Shallow Water is a high-precision submersible tiltmeter for use in fresh and salt water applications with RS-232 or RS-422 digital output.

Model 800P Portable Tiltmeter is an economical hand-held instrument for a wide variety of monitoring and measurement applications.

The LILY Self-Leveling Borehole Tiltmeter is a precision, dual-axis sensor package designed for specialized applications and research.

The model A601-2 Platform mount tiltmeter is our new micrometer adjustment design for high precision tilt measurements.

The model A603 platform mount tiltmeter is designed to fill the gap left by the obsoleted 520M.

The model A701-2 Platform mount tiltmeter is our most popular design for high precision tilt measurements.

The model A701-2(4X) Weatherproof Platform Tiltmeter is a precision analog tiltmeter with a resolution of 1 ?radian or better.

The model D701 Digital Platform Tiltmeter is a high-precision instrument with advanced firmware features.

The models A711-2 (floor-mount), and A716-2 (wall mount) bolt or clamp to any surface, and are well suited for areas with heavy traffic or vibration.

The model A711-2(4X) Weatherproof Floor-mount Tiltmeter offers the same performance as the model A701-2(4X) but in a floor-mount package.

The model D711 Floor-mount Tiltmeter is a rugged, high-precision instrument with advanced digital firmware.

The Jewell Black Diamond Series inclinometer is a low-cost, high-precision tilt sensor designed with higher accuracy than comparable MEMS devices.

The Jewell Black Diamond Series inclinometer is a low-cost, high-precision tilt sensor designed with higher accuracy than comparable MEMS devices.

The 750-100 Series Tiltmeter is a rugged, high-performance, single-axis tilt sensor designed for peak performance in extreme conditions.

The 750-100 Series Tiltmeter is a rugged, high-performance, single-axis tilt sensor designed for peak performance in extreme conditions.

The 750-150 Series has the highest precision of the Black Diamond tilt sensor line. It is a rugged, high-performance, single-axis tilt sensor designed for peak performance in extreme conditions.

The 750-150 Series has the highest precision of the Black Diamond tilt sensor line. It is a rugged, high-performance, single-axis tilt sensor designed for peak performance in extreme conditions.

The Jewell A750-200 Black Diamond tiltmeter series is a 0-5Vdc output fluid-damped, dual-axis precision inclinometer.

The Jewell A750-200 Black Diamond tiltmeter series is a 4-20mA output fluid-damped, dual-axis precision inclinometer.

The Jewell D750-100 (Single-Axis) and D750-200 (Dual Axis) Black Diamond Tiltmeter series are fluid damped inclinometers with RS-485 digital output

The high-precision sensors in our 500- and 700-Series Tiltmeters are available as standalone modules for applications with size or weight constraints.

The Model 84053 Mid-range Ceramic Tilt Sensor is a compact and robust electrolytic tilt sensor with up to 1.75 µradian resolution.

The Model 84064-02 Wide-angle Ceramic Tilt Sensor is a high-precision electrolytic tilt sensor with a wide dynamic range.

The model 781 is a precision, two-channel bench-top signal conditioner for use with all Jewell miniature tilt sensors.

The model 83162 is a precision, two-channel signal conditioning card for use with all Jewell miniature tilt sensors

The model 84800 is a compact, high-performance signal conditioner for use with all Jewell Instruments miniature tilt sensors

The model 84828 Slimline Signal Conditioning Card is a compact, analog signal conditioner for use with all Jewell Instruments miniature tilt sensors.

The IRIS-SC digital signal conditioning card is a powerful control device designed for use with all Jewell miniature tilt sensors.

The Tulip-SC is a precision 4-20mA signal conditioning card for use with all Jewell Instruments miniature tilt sensors.

Dynamic concrete strain gauges measure axial strain in the concrete under high frequency (dynamic) conditions.

Dynamic asphalt strain gauges measure axial strain in the flexible pavement under high frequency (dynamic) conditions.

Jewell accelerometers and inclinometers are precision inertial instruments. They utilize closed-loop sensor technology to produce a highly accurate output with virtually infinite resolution.

MEMS inclinometers and accelerometers are low-cost, high-precision inertial sensors that serve a wide variety of industrial applications.

All Jewell tiltmeters and clinometers include full signal conditioning electronics that produce stable output signals over a wide range of input voltages. We divide our tiltmeters into four different Series based on measurement resolution and angular range.

The intent of this Technical Note is to provide an abbreviated set of commands and procedures to initially check out the functionality of a Lily Borehole Tiltmeter, and configure it for storing data to the non-volatile memory.

Environmental temperature changes alter the mechanical and electrical characteristics of all instrumentation. Metals expand and contract, and electrical properties such as resistance and capacitance rise and fall. These effects change instrument output and lessen the accuracy.

These guidelines will help you achieve stable and reliable tiltmeter readings. Jewell Instruments supplies all of the installation accessories you need for an effective monitoring program.

These guidelines will help you achieve stable and reliable tiltmeter readings. Jewell Instruments supplies all of the installation accessories you need for an effective monitoring program.

Tilt sensors are calibrated by tilting them in a vertical plane and measuring their outputs at known angles.