Force Balance Inclinometers

Jewell force-balanced inclinometers are extremely sensitive, rugged transducers designed to produce a accurate output with high resolution. Jewell force-balanced inclinometers respond to changes of slope as small as 1 microradian, with a high-level DC output signal proportional to the sine of the angle of tilt from as little as ±1° to ±90° full range. Our selection features single, dual, and tri-axis force balance inclinometers with digital and analog output signals. They can withstand shocks and vibrations in harsh environments. Shop today and choose the best rugged inclinometers for your needs!

Force Balanced Precision Inclinometer Selector Guide
Force Balance Inclinometers

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DXI-100/200 Digital Inclinometer

DXI-100/200 Digital Inclinometer

Highlights:

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 DXI-100/200 is available with either RS-422 or RS-485 (Standard) digital interfaces. With a variety of options, including metric mounting threads, a flanged base, and CENELEC/AREMA certified, this product is easily customized to suit your specific application.

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eDXI-100/200 Single or Dual Axis Digital Inclinometer

eDXI-100/200 Single or Dual Axis Digital Inclinometer

Highlights:

The Jewell eDXI-100/200 Series is a single or dual digital inclinometer with the convenience of Ethernet output. With its power over ethernet capability, no power source is needed. Simply plug it in to your computer.

 

 

LCF-100 Single-Axis Analog InclinometerLCF-100 Single-Axis Analog Inclinometer

LCF-100 Single-Axis Analog Inclinometer

Highlights:

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 units are characterized by excellent turn-on repeatability and very low hysteresis. This unit is available with a pin terminal connection or a 6-pin cable connection.

 

LCF-196 Dual-Axis Analog Inclinometer

LCF-196 Dual-Axis Analog Inclinometer

Highlights:

The Jewell LCF-196 Series is a high accuracy sensor designed for applications where high levels of shock and vibration are present. The LCF-196 is a two-axis tilt sensor in a 22 mm diameter stainless steel package. Rugged, dual axis, fluid damped tubular style sensor.

 

 

LCF-2000 Dual-Axis Analog Inclinometer

LCF-2000 Dual-Axis Analog Inclinometer

Highlights:

The Jewell LCF 2000 Series dual axis inclinometer is a rugged, high accuracy version of the LCF Series. It is available with a wide range of options including single ended input power, internal temperature sensor and 4-20mA.

 

 

LCF-2330 Dual-Axis Analog InclinometerLCF-2330 Dual-Axis Analog Inclinometer

LCF-2330 Dual-Axis Analog Inclinometer

Highlights:

The Jewell LCF-2330 Series Inclinometer is a dual axis version of the rugged, high accuracy LCF Series. The design of the LCF-2330 was optimized to provide the high accuracy and superior
repeatability of Jewell’s rugged, fluid damped, flexure suspension, servo technology in a small and convenient package for applications requiring a compact dual axis solution. With many options to choose from, including a flange base, metric threads, and temperature sensor, this product can be customized to suit your individual needs.

LCF-300 Single-Axis Analog InclinometerLCF-300 Single-Axis Analog Inclinometer

LCF-300 Single-Axis Analog Inclinometer

Highlights:

The Jewell LCF-300 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-300 units are characterized by excellent turn on repeatability and very low hysteresis. It is available in three different versions (D, L, or S), varying input and output, and with either a 6 pin connector or a pin-terminal option in order to meet your specific needs.

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LCF-3000 Tri-Axis Analog Inclinometer

LCF-3000 Tri-Axis Analog Inclinometer

Highlights:

The Jewell LCF 3000 Series tri-axis inclinometer is a rugged, high accuracy version of the LCF Series. It is available with a wide range of options including single ended input power, internal temperature sensor and 4-20mA.

 

 

LCI Single-Axis Analog Inclinometer

LCI Single-Axis Analog Inclinometer

Highlights:

The Jewell LCI Series flexure suspension servo inclinometer is a ±3° to ±90° device designed for low frequency tilt sensing applications. LCI units are characterized by excellent turn on repeatability and very low hysteresis.

 

 

LSO Single-Axis Analog Inclinometer

LSO Single-Axis Analog Inclinometer

Highlights:

The Jewell LSO Series fluid damped, flexure suspension, servo inclinometer is a precision internal grade sensing instruments and it is Jewell’s most robust solution designed to meet the needs of a variety of commercial, industrial, and aerospace applications. LSO Series is a fluid damped design. Units are available with a 6-pin connector, or pin-terminals and in ±5V and 4-20mA outputs.

 

 

LSOX Single-Axis Analog Inclinometer

LSOX Single-Axis Analog Inclinometer

Highlights:

The Jewell LSOX Single-Axis Analog Inclinometer series are a rugged, high precision tilt sensor designed for peak performance in extreme conditions. These RoHS compliant sensors feature a fluid damped mechanism to deliver superior noise rejection in high shock and vibration environments as well as excellent output stability. Units are available with a 6-pin connector, pin-terminals, or flying leads and in three different output versions (D, L, & S). LSOX-S is available with CE Certification.

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LSRP Single-Axis Analog Inclinometer

LSRP Single-Axis Analog Inclinometer

Highlights:

The Jewell LSRP Series inclinometer is an extremely sensitive, rugged transducer designed to provide horizontal angle or vertical deviation measurements with virtually infinite resolution. These fluid-damped compact, cylindrical-shaped sensors are stackable to meet the needs of applications with space constraints while facilitating the use of several inclinometers for multi-axis measurements.

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RMIW Single-Axis Analog Inclinometer

RMIW Single-Axis Analog Inclinometer

Highlights:

The Jewell RMIW Series, RoHS compliant, flexure suspension, servo inclinometer is a precision internal grade sensing instrument. The RMIW is available in three different versions (D, L, or S), with customer-specified mounting options, and varying input and output specifications in order to meet your needs.

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SMI Single-Axis Analog InclinometerSMI Single-Axis Analog Inclinometer

SMI Single-Axis Analog Inclinometer

Highlights:

The Jewell SMI Single-Axis Analog Inclinometer series are rugged, high-precision force-balanced inclinometers. These RoHS-compliant inclinometers are available in three different versions (D, L, & S series), with either a circular connector or a pin connection, and varying input and output specifications in order to meet your specific needs.

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What Are Force Balance Inclinometers and How Do They Work?

Inclinometers sense changes in angular position and the sensing element in a Jewell Force Balance sensor is the torquer, a D’Arsonval mechanism designed specifically for sensor use. The torquer mechanism (Torque Motor) is the fundamental subassembly in a servo sensor. An inclinometer torquer is intentionally unbalanced (Mass Unbalance) in its plane of allowable angular motion. When tilt is present, a torque proportional to the mechanism unbalance and the physical input is developed. The torque results in an angular motion detected by a Position Sensor. The Position Sensor output is compared to a reference voltage in the Electronics Module, and the difference is an error signal that is the input to a servo amplifier (Servo Amp). The servo amplifier output current is applied to the Torque Motor in opposition to the acceleration or tilt torque. At a constant inertial input, the Mass Unbalance angular position is minutely different from the zero-g position. The Servo Amp output current is directly proportional to the applied acceleration or sine of the input tilt angle. An analog voltage is produced by measuring the servo current with a Sense Resistor.

Features of Servo Inclinometers Offered by Jewells Instruments

Our servo inclinometers have set high standards for measurements in challenging environments. The following features of these devices have made them popular.

  • These inclinometers possess rugged and compact design and feature a torque-balancing system, which helps them withstand mechanical stress of 1500g 1msec 1/2 sine.
  • These models are available in analog output (±5V, 0-5V, 0.5-4.5V, or 4-20mA) and digital models such as RS232 and RS485.
  • Our rugged inclinometer units are available in ranges from ±1.0 to ±90 deg. The output is proportional to the sine of tilt angle.
  • They are designed for wide operating temperature range and can withstand high vibration and shock.

How to Choose Force Balance Inclinometers for Your Application

Force balance inclinometers are available in several configurations and the following tips will ease the selection.

  • Type of output: These devices are offered with digital and analog outputs. The product of choice will depend on the application and project requirements:
    • The inclinometers with current output are ideal if you are planning to run them over long distances. These devices assure minimal signal loss and low electromagnetic noise.
    • Digital outputs are available with ASCII RS-232 or RS-485, ethernet and Modbus protocols.
      • For example, RS-232 is commonly considered for low data transmissions over small distances.
      • RS-485 uses half and full-duplex signals and are more appropriate for high data transmissions across large distances. The outputs are less susceptible to electromagnetic noise.

In addition to the above, the other important considerations to make are:

  • Measuring range: This is the range up to which the linear output is measured in degrees.
  • Bandwidth: The frequency range below the frequency at which the amplitude of the output is 3dB down relative to the input.
  • Shock & Vibration: Shock and vibration specifications indicate the highest level that the inclinometer can be exposed to without causing a permanent change to the unit.

Applications of Force Balance Inclinometers

The following are a few popular applications of force balance inclinometers:

  • Radar/antenna control
  • Platform leveling
  • Seismic monitoring
  • Automatic train position control
  • Linear acceleration/deceleration measuring
  • Structural monitoring
  • Ship and barge leveling
  • Robot vertical referencing
  • Weapons platform leveling
  • Continuous casting for the steel industry
  • Platform orientation
  • Deviation surveys

Precision measurements are critical in many industries. These measurements enable users to make informed decisions. This understanding, coupled with our technology and engineering expertise, allows us to make the best force balance inclinometers for industrial and other applications. We take pride in our selection of servo inclinometers designed to meet or satisfy measurement requirements across industries. However, many people get confused when selecting the right inclinometer. For any queries or doubts, feel free to contact us today. Our experts can handle all customer queries effectively. They will work with you closely to understand your requirements before offering you the right solution.

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