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Sensors Accelerometers Inclinometers Custom Solutions
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Highly Accurate Sensing Solutions Our high-accuracy sensors feature: I ±1.0° to ±90° and ±0.01g to ±20g, full range I <0.02% nonlinearity I high level ±5 volt output I less than 0.0001 volt noise I <0.001% repeatability and hysteresis I µ radian resolution and dc response With over forty years’ experience, Jewell Instruments is a world leader in the manufacture and distribution of inertial sensors, including accelerometers and inclinometers. Well-known for both quality and reliability, Jewell sensors are available for a wide range of industrial, commercial, and aerospace applications. What...

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Accelerometers All Jewell accelerometers are fully self-contained. They connect to a DC power source and a readout or control device for a complete operating system. The output is a high-level DC signal proportional to acceleration and tilt angle sine from as little as ± 0.010 g to ±20 g full range. Jewell accelerometers respond to change in velocity as small as 1µg. Hysteresis less than 0.0005% of full range output and vibration rectification less than 50 µG/G2 are available. A general purpose tilt sensor for industrial, commercial, and aerospace applications. Engineered with micromachined...

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Inclinometers Jewell inclinometers are extremely sensitive, rugged transducers designed to provide horizontal angle or vertical deviation measurements with virtually infinite resolution. Every inclinometer responds to changes of slope as small as 0.1 second of arc, with a high-level DC output signal proportional to the sine of the angle of tilt from as little as ±1° full range to ±90° full range. Ideal for low frequency laboratory applications, the LCI Series is highly accurate, featuring a torsion flexure suspension that offers superior repeatability and low hysteresis. Our most rugged,...

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The LCF-196 inclinometer provides a biaxial output in a 23mm diameter package. It is a high accuracy sensor designed for applications where high levels of shock and vibration are present. The signal is typically input to analog or digital data recording systems. The two axis version of the rugged, high accuracy LCF-100 is available with a wide range of options including single ended input power, an internal temperature sensor, and 4 to This LSO inclinometer is designed for applications where high levels of ambient electrical noise are present and/or long cable runs are required. Digital...

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Digital Inertiai Sensor The LDF series digital inclinometer takes Jewell Instruments' highly accurate and robust force balanced technology to the next level. Jewell's LDF series digital inclinometer is available with an RS-422 serial interface. Its onboard processor allows the LDF series inclinometer to compen- sate for errors, including temperature, ensuring the highest level of accuracy over the entire operational temperature range of the sensor. The LDF series features a wide input power supply LDF-1 600 bandwidth from DC to over 100Hz making it extremely versatile. This advanced sensor...

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Custom-Engineered Solutions Jewell specializes in custom-designed, high-accuracy, inertial sensing solutions. Our sensors solve unique application problems where standard, off-the-shelf sensors simply won’t do. More companies choose custom-engineered Jewell tilt sensors because of: I Our high-value, high-accuracy, rugged designs I Our willingness and capability to design and engineer custom solutions based on our proven methodologies I Our applications expertise enabling us to understand what will work, what won’t work, and what the trade-offs will be in virtually any design For many...

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Custom-Engineered Solutions Angular Acceleration Antenna Orientation Accelerometers contribute in a variety of angular acceleration functions. Jewell application engineers excel at providing custom solutions for flight control systems such as autopilot or aircraft stability and control systems or satellite stability. Our ASXC-100 is a rugged, fluid-rotor angular accelerometer, sensitive to very small angular acceleration. A fluid rotor enables high sensitivity without relying on a large mass supported by a fragile bearing system. This rugged design enables the Full scale ranges of 1...

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Analog Principles of Operation The torquer mechanism is typically the most expensive subassembly in a servo sensor. Torquers are sophisticated meter movements, and Jewell, as a meter manufacturer, can produce torquers very efficiently. We, therefore, often have a cost advantage when compared to other conventional technology inertial instrument producers. A torquer used to sense acceleration or tilt is intentionally unbalanced in its plane of allowable angular motion. When acceleration or tilt is present, a torque proportional to the mechanism unbalance and the physical input is developed....

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Understanding the Specifications Input Axis Misalignment The following information describes how Jewell Instruments interprets performance characteristics and error sources often listed in inertial instrument specifications. The Jewell interpretation is generally consistent with IEEE accelerometer test conventions. The input axis misalignment is the geometric sum of the pivot (output) axis and pendulous axis misalignments relative to the base and a reference side of the accelerometer. The standard alignment is a function of sensing range. The alignment specification in the data sheets is...

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Understanding the Specifications Input Voltage Operating Temperature Range The input voltage specified is the range of voltages over which the unit is expected to operate within specification. If the input voltage is increased beyond the specified range, an accelerometer or inclinometer will continue to operate. At higher input voltages, additional current is required. The internal heat dissipation increases, and component life begins to decrease. Most units will also continue to operate at input voltages below the specified range. The output voltage clipping level and overrange capability...

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All Jewell Instruments catalogs and technical brochures

  1. JDI-100/200

    9 Pages

  2. QFA-180

    2 Pages

  3. LCF-2000

    2 Pages

  4. QFA-125

    2 Pages

  5. LSB Series

    2 Pages

  6. LSMP Series

    2 Pages

  7. ASB Series

    2 Pages

  8. C4 C-Frame

    2 Pages

  9. C2 C-Frame

    2 Pages

  10. • RMIW-S

    2 Pages

  11. LCI Series

    2 Pages

  12. QFM-180

    2 Pages

  13. ASMP Series

    2 Pages