Forced Balance
ASB Series
The Jewell ASB Series Angular Accelerometer is a general-purpose ±200 radian/second² to ±1000 radian/second² device for industrial, commercial, and sensing requirements.
ASM Series
The Jewell ASM Series Angular Accelerometer is configured specifically to yield a combination of miniaturization, high accuracy, and ruggedness.
ASXC Series
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.
DXA-100/200 Series
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.
DXA-100/200-R Series
This DXA-100/200 model meets CELELEC/AREMA Standards for railway applications.
LCA-100 Series
The Jewell LCA-100 Series Accelerometer is a general-purpose ±0.5g to ±5g device designed for industrial, commercial, and aerospace sensing requirements.
LCA-165 Series
The Jewell LCA-165 Series accelerometers are configured specifically to yield a combination of high accuracy and ruggedness in railway applications.
LCA-165-R Series
This LCA-165 model meets CENELEC/AREMA Standards for railway applications.
LCF-200 Series
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.
LCF-2530 Series
The Jewell LCF-2530 Series is a dual-axis version of the rugged, high accuracy LCF Series.
LCF-3500 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.
LSB Series
The Jewell LSB Series Accelerometer is a general-purpose ±0.5G to ±20G device designed for rail, commercial, and aerospace sensing requirements.
LSBC-R
This LSB model meets CENELEC/AREMA Standards for railway applications.
LSM Series
The LSM offers equivalent features to the LSA in a smaller package – approximately 1? cube.
SMA Series
The Jewell SMA Series accelerometer is a low-cost, high-precision sensor designed with higher accuracy than comparable MEMS devices.
MEMS
AMA Series
The AMA is based on silicon micro-machined MEMS Capacitive Accelerometer technology and designed for low power and high stability.
DMA Series
The DMA is based on silicon micro-machined MEMS Capacitive Accelerometer technology and designed for low power and high stability.
JMA-100/200/300-D: ±5V DC
The JMA series is a robust and rugged design for industrial use, but with the benefit of low-cost MEMS technology.
JMA-100/200/300-L: 4-20mA
The JMA series is a robust and rugged design for industrial use, but with the benefit of low-cost MEMS technology.
JMA-100/200/300-S: 0-5Vdc
The JMA series is a robust and rugged design for industrial use, but with the benefit of low-cost MEMS technology.
JMA-165-R
The Jewell JMA-165 series MEMS accelerometers are CENELEC and AREMA qualified for rail applications.
JMA-165-RH
This is the heated version of the JMA-165 series MEMS accelerometers.
Quartz Flexure
QFA-125
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.
QFA-150
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.
QFA-180
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.
QFM-180
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.
Forced Balance
DXI-100/200
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.
eDXI-100/200 Series
The Jewell eDXI-100/200 Series is a single or dual digital inclinometer with the convenience of Ethernet output.
LCF-100
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.
LCF-196
The Jewell LCF 196 Series is a high-accuracy sensor designed for applications where high levels of shock and vibration are present.
LCF-300-D: ±5V DC
The LCF-300 Series Inclinometer is a rugged, high-performance, single-axis tilt sensor designed for peak performance in extreme conditions.
LCF-300-L: 4-20mA
The LCF-300 Series Inclinometer is a rugged, high-performance, single-axis tilt sensor designed for peak performance in extreme conditions.
LCF-300-S: 0-5V DC
The LCF-300 Series Inclinometer is a rugged, high-performance, single-axis tilt sensor designed for peak performance in extreme conditions.
LCF-2000
The Jewell LCF 2000 Series dual-axis inclinometer is a rugged, high-accuracy version of the LCF Series.
LCF-2330
The Jewell LCF-2330 Series Inclinometer is a dual-axis version of the rugged, high-accuracy LCF Series.
LCF-3000
The Jewell LCF 3000 Series tri-axis inclinometer is a rugged, high-accuracy version of the LCF Series.
LCI
The Jewell LCI Series flexure suspension servo inclinometer is a ±3° to ±90° device designed for low-frequency tilt sensing applications.
LSO
The LSO Series fluid damped, flexure suspension, servo inclinometer is designed to meet the needs of a variety of commercial, industrial, and aerospace applications.
LSOX-D: ±5V DC
The LSOX Series Inclinometer is a rugged, high-performance, single-axis tilt sensor designed for peak performance in extreme conditions.
LSOX-L: 4-20mA
The LSOX Series Inclinometer is a rugged, high-performance, single-axis tilt sensor designed for peak performance in extreme conditions.
LSOX-S: 0-5V DC
The LSOX Series Inclinometer is a rugged, high-performance, single-axis tilt sensor designed for peak performance in extreme conditions.
LSRP
The Jewell LSRP Series inclinometer is an extremely sensitive, rugged transducer designed to provide horizontal angle or vertical deviation measurements with virtually infinite resolution.
RMIW-D: ±5V DC
The Jewell Emerald Series inclinometer is a low-cost, high-precision inclinometer designed with higher accuracy than comparable MEMS devices.
RMIW-L: 4-20mA
The Jewell Emerald Series inclinometer is a low-cost, high-precision inclinometer designed with higher accuracy than comparable MEMS devices.
RMIW-S: 0-5V DC
The Jewell Emerald Series inclinometer is a low-cost, high-precision inclinometer designed with higher accuracy than comparable MEMS devices.
SMI-D: ±5V DC
The Jewell Emerald Series inclinometer is a low-cost, high-precision inclinometer designed with higher accuracy sensor than comparable MEMS devices.
SMI-L: 4-20mA
The Jewell Emerald Series inclinometer is a low-cost, high-precision inclinometer designed with higher accuracy sensor than comparable MEMS devices.
SMI-S: 0-5V DC
The Jewell Emerald Series inclinometer is a low-cost, high-precision inclinometer designed with higher accuracy than comparable MEMS devices.
MEMS
AMH
The AMH Series is a single or dual-axis, high-precision MEMS inclinometer.
AMI
The AMI Series is a single or dual-axis, high-precision MEMS inclinometer with built-in thermal compensation.
AML
The Jewell Instruments model AML is a low-cost analog MEMS inclinometer for industrial applications.
AMS
The Jewell Instruments model AMS is a mid-level performance analog MEMS inclinometer for industrial applications.
DMH
The Jewell Instruments model DMH is a high-precision digital MEMS inclinometer.
DML
The Jewell Instruments model DML is a low-cost digital MEMS inclinometer for industrial applications.
DMS
The model DMS is a mid-level performance digital MEMS inclinometer for industrial applications.
JDI-100/200
The JDI-100/200 series is a digitally temperature compensated inclinometer available in single and dual-axis configurations.
JMI-100/200-D: ±5Vdc
The JMI-100/200 series is a robust and rugged MEMS inclinometer available in single and dual-axis configurations.
JMI-100/200-S: 0-5Vdc
The JMI-100/200 series is a robust and rugged MEMS inclinometer available in single and dual-axis configurations.
JMI-100/200-L: 4-20mA
The JMI-100/200 series is a robust and rugged MEMS inclinometer available in single and dual-axis configurations.
ECV Series
The ECV eCompass Series is a 3D electronic compass providing stable azimuth, pitch, and roll measurements in dynamic conditions.
ECL Series
The ECL low power digital compass is designed specifically for commercial, industrial, and military users.
ECG Series
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.
ECS Series
The Jewell LCF 196 Series is a high-accuracy sensor designed for applications where high levels of shock and vibration are present.
Economical
A850-D: ±5VDC
The A850 MEMS Tuff Tilt series is available in uniaxial and biaxial configurations. This presents a robust and rugged design for industrial use.
A850-S: 0-5VDC
The A850 MEMS Tuff Tilt series is available in uniaxial and biaxial configurations. This presents a robust and rugged design for industrial use.
C850: 4-20mA
The C850 MEMS Tuff Tilt series is available in uniaxial and biaxial configurations. This presents a robust and rugged design for industrial use.
A875: 0.5 - 4.5 VDC
The model 875 Mini “Tuff Tilt” Tiltmeter combines high precision and durability in a miniaturized and economical instrument package.
C875: 4-20mA
The model 875 Mini “Tuff Tilt” Tiltmeter combines high precision and durability in a miniaturized and economical instrument package.
D875: Digital
The model 875 Mini “Tuff Tilt” Tiltmeter combines high precision and durability in a miniaturized and economical instrument package.
Model 900 Biaxial Clinometer
The model 900 Biaxial Clinometer is an inexpensive, gravity-referenced clinometer (tiltmeter) with a wide dynamic range.
Models A901 & A902 Slimline Clinometer
The model A901 and A902 Slimline Biaxial Clinometers deliver the same performance as our model 900 but in a slim, compact package.
Models C901 & C902 ``Tulip`` Clinometer
The model C901 and C902 Tulip Uniaxial Clinometers deliver the same performance as our model A900-series, but with 4-20mA output.
Model A904 Clinometer Pak
The model A904 “Clinometer Pak” is a low-cost biaxial inclinometer housing a rugged weatherproof enclosure.
Model A906 ``Little Dipper``
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.
Model C904 ``Clinometer Pak 420``
The model C904 “Clinometer Pak 420” uniaxial clinometer delivers the same reliable performance as the A904, but with 4-20mA output.
Model MD900-T Digital Clinometer
The biaxial model MD900-T is an economical digital clinometer with powerful firmware features.
Model MD908 ``IRIS`` Tilt Switch
The IRIS Tilt Switch and Controller powerful tilt control device with advanced firmware features.
High Precision
A801: ±5VDC
The Model 801 “Tuff Tilt” Analog Tiltmeter combines high precision and durability in an economical instrument package.
C801: 4-20mA
The model C801 “Tuff Tilt 420” delivers the same precision and durability as our A801, but with 4-20mA output.
D801: Digital
The model D801 “Tuff Tilt Digital” is a high-performance, digital tiltmeter with advanced firmware features.
A802: ±5V
The model A802 Deepwater is a high-precision submersible tiltmeter for use in marine, offshore, and deep ocean applications.
C802: 4-20mA
The model C802 Deepwater is a high-precision submersible tiltmeter for use in marine, offshore, and deep ocean applications with 4-20mA output.
D802: Digital
The model D802 Deepwater is a high-precision submersible tiltmeter for use in marine, offshore, and deep ocean applications.
A820: ±5V
The model A820 Shallow Water is a high-precision submersible tiltmeter for use in fresh and salt water applications.
C820: 4-20mA
The model C820 Shallow Water is a high-precision submersible tiltmeter for use in fresh and salt water applications with 4-20mA output.
D820: Digital
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 A800P Portable Tiltmeter
Model 800P Portable Tiltmeter is an economical hand-held instrument for a wide variety of monitoring and measurement applications.
Ultra Precision
LILY Self-Leveling Borehole Tiltmeter
The LILY Self-Leveling Borehole Tiltmeter is a precision, dual-axis sensor package designed for specialized applications and research.
Model A601-2A/2B
The model A601-2 Platform mount tiltmeter is our new micrometer adjustment design for high precision tilt measurements.
Model A603
The model A603 platform mount tiltmeter is designed to fill the gap left by the obsoleted 520M.
Model A701-2
The model A701-2 Platform mount tiltmeter is our most popular design for high precision tilt measurements.
Model A701-2 (4X)
The model A701-2(4X) Weatherproof Platform Tiltmeter is a precision analog tiltmeter with a resolution of 1 ?radian or better.
Model D701: Digital
The model D701 Digital Platform Tiltmeter is a high-precision instrument with advanced firmware features.
Models A711-2/A716-2
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.
Model A711-2A/B/C (4X)
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.
Model D711-A/B/C
The model D711 Floor-mount Tiltmeter is a rugged, high-precision instrument with advanced digital firmware.
A750-050: 0-5V DC
The Jewell Black Diamond Series inclinometer is a low-cost, high-precision tilt sensor designed with higher accuracy than comparable MEMS devices.
C750-050: 4-20mA
The Jewell Black Diamond Series inclinometer is a low-cost, high-precision tilt sensor designed with higher accuracy than comparable MEMS devices.
A750-100: 0-5V DC
The 750-100 Series Tiltmeter is a rugged, high-performance, single-axis tilt sensor designed for peak performance in extreme conditions.
C750-100: 4-20mA
The 750-100 Series Tiltmeter is a rugged, high-performance, single-axis tilt sensor designed for peak performance in extreme conditions.
A750-150: 0-5V DC
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.
C750-150: 4-20mA
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.
A750-200: 0-5V DC
The Jewell A750-200 Black Diamond tiltmeter series is a 0-5Vdc output fluid-damped, dual-axis precision inclinometer.
C750-200: 4-20mA
The Jewell A750-200 Black Diamond tiltmeter series is a 4-20mA output fluid-damped, dual-axis precision inclinometer.
D750-100/200: Digital
The Jewell D750-100 (Single-Axis) and D750-200 (Dual Axis) Black Diamond Tiltmeter series are fluid damped inclinometers with RS-485 digital output
Miniature Tilt Sensors
Models 755 & 756
The high-precision sensors in our 500- and 700-Series Tiltmeters are available as standalone modules for applications with size or weight constraints.
Models 84053 & 59577
The Model 84053 Mid-range Ceramic Tilt Sensor is a compact and robust electrolytic tilt sensor with up to 1.75 µradian resolution.
Models 84064-02 & 59579-02
The Model 84064-02 Wide-angle Ceramic Tilt Sensor is a high-precision electrolytic tilt sensor with a wide dynamic range.
Signal Conditioners
Model 781 Benchtop
The model 781 is a precision, two-channel bench-top signal conditioner for use with all Jewell miniature tilt sensors.
Model 83162 Dual Channel
The model 83162 is a precision, two-channel signal conditioning card for use with all Jewell miniature tilt sensors
Model 84800 Single Channel
The model 84800 is a compact, high-performance signal conditioner for use with all Jewell Instruments miniature tilt sensors
Model 84828 Slimline
The model 84828 Slimline Signal Conditioning Card is a compact, analog signal conditioner for use with all Jewell Instruments miniature tilt sensors.
IRIS-SC Digital
The IRIS-SC digital signal conditioning card is a powerful control device designed for use with all Jewell miniature tilt sensors.
Tulip SC 4-20mA
The Tulip-SC is a precision 4-20mA signal conditioning card for use with all Jewell Instruments miniature tilt sensors.
Strain Gauges
CSG Concrete Strain Gauge
Dynamic concrete strain gauges measure axial strain in the concrete under high frequency (dynamic) conditions.
ASG Asphalt Strain Gauge
Dynamic asphalt strain gauges measure axial strain in the flexible pavement under high frequency (dynamic) conditions.
Forced Balance Accelerometers
MEMS Accelerometers
Forced Balance Inclinometers
MEMS Inclinometers
Quartz Accelerometers
Geo Tilt Sensors & Instruments
eCompass
Mini Tilt
RailStar
Construction Vehicle
Inertial Support Documents
Inertial Sensor Theory 101
Jewell accelerometers and inclinometers are precision inertial instruments. They utilize closed-loop sensor technology to produce a highly accurate output with virtually infinite resolution.
How Does a MEMS Sensor Work?
MEMS inclinometers and accelerometers are low-cost, high-precision inertial sensors that serve a wide variety of industrial applications.
Geotech/Geophys Technical Notes
Electrolytic Tiltmeter Basics
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.
Lily Borehole Tiltmeter Field Guide
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.
Electrolytic Tiltmeter Temperature Coefficients
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.
Installing 700-Series Electrolytic Tiltmeters
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.
Installing 800 & 900-Series Tiltmeters
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.
Effect of Cross-Axis Inclination on 756-Series Tilt Sensor
Tilt sensors are calibrated by tilting them in a vertical plane and measuring their outputs at known angles.