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RTS SERIES

CAPACITY RANGES:
5, 10, 25, 50, 100, 200,
500, 1,000 in-oz

The RTS Series torque sensors were designed to fill the need for accurate torque measurements below 62.5 in.lbs. without giving up stiffness or sensitivity to forces from other directions. They are manufactured from sensor quality aluminum and anodized for long term durability. Bonded foil strain gauges and materials of the highest quality are installed assuring high reliability. The four bolt hole pattern with the use of our O.D. or I.D. pilots on either end allows simple adaptation to any torque measurement application.
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RTS Series low capacity (In-oz) reaction Torque Sensor
AMX-4 10ft mating cable included.

What is a Torque Sensor?

A torque sensor, also known as a torque transducer or torque meter, is a specialized instrument designed to measure the torque or rotational force applied to an object. Torque sensors are used to quantify the amount of twisting or turning force exerted on a shaft, component, or assembly. They are essential in various applications where accurate torque measurement is crucial. Here are key characteristics and functions of torque sensors: Torque Measurement: The primary function of a torque sensor is to measure the amount of torque or rotational force applied to an object. Torque is typically expressed in units such as Newton-meters (N·m) or foot-pounds (ft·lb). Transduction Principle: Torque sensors utilize various transduction principles to convert mechanical torque into an electrical signal. Common transduction methods include strain gauges, piezoelectric crystals, capacitive sensing, and magnetic field variations. Installation: Torque sensors can be integrated into a wide range of systems and applications. They are often installed in-line with rotating components or between a drive source and the object being torqued. The sensor registers the twisting force as the object rotates. Non-Intrusive and Intrusive: Torque sensors come in both non-intrusive and intrusive forms. Non-intrusive sensors are placed around a rotating shaft without direct contact, while intrusive sensors involve direct contact with the shaft or component. Accuracy and Precision: High-quality torque sensors provide accurate and precise measurements, ensuring that torque values are reliable and repeatable. Calibration is essential to maintain accuracy. Signal Output: Torque sensors generate electrical output signals that represent the measured torque. These signals are typically analog (voltage or current) or digital and require further processing, conditioning, or amplification. Calibration: Torque sensors undergo calibration to establish a linear relationship between the applied torque and the output signal. Calibration ensures accurate torque measurements over the sensor's specified range. Applications: Torque sensors have a wide range of applications across various industries, including: Automotive: Torque sensors are used in engine testing, transmission testing, and quality control processes to ensure proper tightening of bolts and fasteners. Manufacturing: In manufacturing and assembly lines, torque sensors help maintain product quality by ensuring that components are assembled with the correct torque. Aerospace: The aerospace industry relies on torque sensors for assembling and maintaining aircraft components and systems. Material Testing: In material testing, torque sensors are used to measure the torsional properties of materials and components. Research and Development: Researchers use torque sensors to study the behavior of materials, prototypes, and mechanical systems under different torque loads. Robotics: Torque sensors are integrated into robotic arms and automation systems to provide feedback on applied torque during tasks. Calibration and Instrumentation: Torque sensors serve as reference standards for calibrating other torque measurement devices and instruments. Types of Torque Sensors: There are various types of torque sensors, including reaction torque sensors, rotary torque sensors, and static torque sensors, each designed for specific measurement needs. Torque sensors are vital tools for engineers, researchers, and professionals working in industries where precise torque measurement is essential for quality control, safety, and performance optimization. They help ensure that products and systems operate within specified torque limits and provide valuable data for analysis and improvement.


How does a Torque Sensor work?

A torque sensor, also known as a torque transducer or torque meter, works by converting mechanical torque, which is the rotational force applied to an object, into an electrical signal that can be measured and interpreted. The basic operation of a torque sensor involves several key components and principles: Sensing Element: At the heart of a torque sensor is a sensing element, which is responsible for detecting the deformation or strain caused by the applied torque. The sensing element is typically a precision-engineered component that can be sensitive to mechanical deformation. Transduction Method: The sensing element uses a specific transduction method to convert the mechanical deformation into an electrical signal. Common transduction methods include: Strain Gauges: Many torque sensors employ strain gauges, which are tiny resistive sensors that change their electrical resistance when subjected to mechanical strain. Strain gauges are bonded to the sensing element. Piezoelectric Crystals: Some torque sensors use piezoelectric crystals, which generate an electrical charge when subjected to mechanical stress or deformation. Capacitive Sensing: In capacitive torque sensors, changes in capacitance due to deformation are used to detect torque. Magnetic Field Variation: Magnetic sensors can detect changes in magnetic fields caused by torque-induced deformation. Wheatstone Bridge Circuit: The transduction method is integrated into a Wheatstone bridge circuit. The Wheatstone bridge is an electrical circuit that consists of four resistive arms, with the sensing element forming one or two of these arms. The other arms may contain fixed resistors with known resistance values. Zero Load State: When there is no applied torque (the "zero load" state), the sensing element is in its initial, undeformed condition, and the Wheatstone bridge is balanced. In this state, the electrical output signal is typically zero or at a known baseline. Application of Torque: When torque is applied to the sensor, it causes the sensing element to deform or strain. This deformation results in a change in the resistance of the strain gauges or the relevant electrical property in other transduction methods. Imbalance in the Wheatstone Bridge: The change in resistance or electrical property of the sensing element creates an imbalance in the Wheatstone bridge circuit. This imbalance results in an output voltage or electrical signal across the bridge's output terminals. Signal Amplification and Conditioning: The electrical signal produced by the Wheatstone bridge is typically very low in magnitude. To obtain useful measurements, the signal is amplified and conditioned using signal conditioning circuits. This may involve amplifying the signal, filtering out noise, and compensating for temperature variations. Calibration: Torque sensors undergo calibration to establish a linear relationship between the applied torque and the output signal. During calibration, known torque values are applied to the sensor, and the corresponding output signals are recorded. Calibration data is used to create calibration curves or equations for accurate torque measurement. Output Signal: The amplified and conditioned electrical signal represents the measured torque and is available for measurement, display, recording, or control purposes. Depending on the application, torque sensor signals can be analog (voltage or current) or digital. Torque sensors are essential in various industries for applications that require accurate torque measurement, such as automotive assembly, manufacturing, aerospace, material testing, and robotics. Their ability to convert mechanical torque into measurable electrical signals provides valuable data for quality control, safety, and performance optimization.


RTS Series Reaction Torque Sensor Applications.

The Transducer Techniques RTS Series torque sensors are versatile instruments designed to accurately measure torque in a variety of applications. Their unique combination of features makes them suitable for a range of torque measurement needs. Here are some applications where the RTS Series torque sensors can be effectively utilized: Automotive Testing: In the automotive industry, RTS Series torque sensors can be used to measure torque during engine assembly, component testing, and quality control processes. They ensure that fasteners are tightened to the correct specifications, preventing over-tightening or under-tightening. Manufacturing and Assembly: These torque sensors are valuable in manufacturing and assembly lines, where torque-sensitive components are assembled, such as electronic devices, medical equipment, and consumer products. They help maintain product quality and consistency. Aerospace and Aviation: In the aerospace sector, RTS Series torque sensors play a critical role in the assembly and maintenance of aircraft components and systems. They ensure that fasteners on aircraft engines, wings, and other critical parts are tightened accurately. Research and Development: Researchers and engineers can use these torque sensors in various R&D applications, such as testing the torque characteristics of materials, prototypes, and mechanical components. They are essential for designing and improving products. Quality Control: The RTS Series sensors are ideal for quality control processes across industries, including electronics, manufacturing, and aerospace. They help verify that products meet torque-related specifications and standards. Material Testing: In material testing applications, torque sensors are used to measure the mechanical properties of materials, including their torsional strength and behavior under various torque loads. Medical Devices: In the medical device industry, torque sensors are utilized for the assembly and testing of medical instruments, ensuring that components are securely fastened and meet regulatory requirements. Automation and Robotics: Torque sensors can be integrated into automated systems and robotic arms to provide feedback on the torque applied during tasks such as screwing, gripping, and manipulating objects. Calibration and Instrumentation: The RTS Series torque sensors can serve as reference standards for calibrating other torque measurement devices and instrumentation, ensuring their accuracy and reliability. Product Development: Engineers and product designers use torque sensors during the development and testing of new products to understand how components interact under different torque loads. This information is crucial for optimizing designs. Educational and Training: Educational institutions and training facilities use torque sensors to teach students about torque principles, measurement techniques, and their real-world applications. The RTS Series torque sensors are known for their stiffness, sensitivity, and durability, making them suitable for precise torque measurements in a wide range of industries and research fields. Their adaptability and compatibility with different applications make them valuable tools for engineers, researchers, and quality control professionals.

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The Reaction Torque Sensors below come Calibrated in Clockwise and counter Clockwise directions
Price
RTS-5 5 in-oz 1115.00
RTS-10 10 in-oz 1115.00
RTS-25 25 in-oz 1115.00
RTS-50 50 in-oz 1115.00
RTS-100 100 in-oz 1115.00
RTS-200 200 in-oz 1115.00
RTS-500 500 in-oz 1115.00
RTS-1000 1000 in-oz 1115.00
Options
OPT-TEDS N/A 115.00
AFS-RTSF N/A 97.00
AFS-RTSM N/A 97.00
Specifications
Rated Output (R.O.): 1.5 mV/V nominal
Nonlinearity: 0.1% of R.O.
Hysteresis: 0.1% of R.O
Nonrepeatability: 0.05% of R.O.
Zero Balance: 1.0% of R.O.
Compensated Temp. Range: 60° to 160°F
Safe Temp. Range: -65° to 200°F
Temp. Effect on Output: 0.005% of Load/°F
Temp. Effect on Zero: 0.005% of R.O./°F
Terminal Resistance: 350 ohms nominal
Excitation Voltage: 10 VDC
Safe Overload: 150% of R.O.
rts series torque sensor specifications
Dimensions in Inches, RTS-5 through 1,000
rts series torque sensor specifications
Model Capacity
in-oz
Capacity
in-lb
Torsinal
Stiffness
in-oz/RAD
Max.
Overhung
Moment
WxSin-oz
Max.
Shear
W
oz
Max
Thrust
P
oz
RTS-5 5 0.312 725 60 40 280
RTS-10 10 0.625 725 60 40 280
RTS-25 25 1.562 1,875 60 60 385
RTS-50 50 3.125 3,650 100 100 560
RTS-100 100 6.250 7,250 150 150 768
RTS-200 200 12.500 14,525 200 200 1,360
RTS-500 500 31.250 36,125 250 250 2,400
RTS-1K 1,000 62.500 72,350 480 480 3,600
Load Carrying Capacity
P =  Thrust   S = Distance to center of gravity of test unit.
W =  Weight of test device   W x S =  Overhung moment Do not exceed (W x S) or
sheer (W), whichever value is attained first.
Price
RTS-5 5 in-oz 1115.00
RTS-10 10 in-oz 1115.00
RTS-25 25 in-oz 1115.00
RTS-50 50 in-oz 1115.00
RTS-100 100 in-oz 1115.00
RTS-200 200 in-oz 1115.00
RTS-500 500 in-oz 1115.00
RTS-1000 1000 in-oz 1115.00
Options
OPT-TEDS N/A 115.00
AFS-RTSF N/A 97.00
AFS-RTSM N/A 97.00
Wiring Color Code (WCC1)
4 Conductor
Internal Temperature Compensation and Balance Network Not Shown
Wiring Color Code (WCC1) 4 Conductor

OPT-TEDS Plug & Play Option

AD9 (9 PIN "D" Series) Connector attached to the end of a Load Cell or Torque sensor cable with a TEDS (Transducer Electronic Data Sheet) EEPROM. Used with a Smart Plug & Play IEEE 1451.4 Compliant instrument, (shown on right), the Load Cell and Instrument will self calibrate. This option is a real time saver. Read additional article...
cal-teds plug and play option
Smart Load Cell Plug and Play Systems
Learn about Plug & Play Smart Load Cell Systems.
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The Load Cells below come Calibrated in Compression, Tension Calibration is optional
Price
RTS-5 5 in-oz 1115.00
RTS-10 10 in-oz 1115.00
RTS-25 25 in-oz 1115.00
RTS-50 50 in-oz 1115.00
RTS-100 100 in-oz 1115.00
RTS-200 200 in-oz 1115.00
RTS-500 500 in-oz 1115.00
RTS-1000 1000 in-oz 1115.00
Options
OPT-TEDS N/A 115.00
AFS-RTSF N/A 97.00
AFS-RTSM N/A 97.00
SSI Portable Hand-Held Load Cell Indicator
SSI Portable Hand-Held Load Cell Indicator
Ultra-Fast 15 kHz Plug & Play Smart Hand Held
Indicator With Data Logging
IEEE 1451.4 Compliant
$950.00
»More info
DPM-3 Panel Mount Load Cell Display
DPM-3 Panel Mount Smart Load Cell Meter
Plug & Play Smart Digital
Panel Mount Load Cell Meter
IEEE 1451.4 Compliant
$570.00 to $625.00
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Amplifier / Conditioner
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Plug & Play Smart Load Cell Transmitter
IEEE 1451.4 Compliant
High Voltage 85-265 Vac
$475.00
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Plug & Play Smart Load Cell Transmitter
IEEE 1451.4 Compliant
Low Voltage 10-48 Vdc
$510.00
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Selectable Filter 100 HZ to 30 kHZ
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