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:: Linear Position Sensor
Sub-Categories

Capacitive
All MicroSense® position sensors feature: * Completely non-contact capacitive position measurement - the most accurate electrical sensing technology avialable * Detection of any conductive, grounded target – surface finish or material have no effect on accuracy * Optimized for short measurement ranges –10 micrometers up to 4 millimeters, depending upon sensor size * High accuracy, fast response
Hall Effect
A Hall effect sensor is a transducer that varies its output voltage in response to changes in magnetic field. Hall sensors are used for proximity switching, positioning, speed detection, and current sensing applications.
In-Cylinder
An In-Cylinder transducer is configured for mounting inside a cylinder, with a hole drilled down the center of the piston rod, and the cylinder end cap is machined to accommodate the transducer. This technique provides excellent environmental protection and position feedback.
Inductive
An inductive sensor is a non-contact device that measures the change in impedance (effective resistance) of a coil. The operation is similar to that of an inductive proximity switch. Alternating current flows through a coil to generate a magnetic field around the coil. An object made of ferrous metal (or non-ferrous metal at higher frequencies) disrupts the field when the object enters it. The disruption of the field causes the inductance of the coil to change.
Lasers
Laser triangulation and time-of-flight sensors that measure displacement. For distances of a few inches with high accuracy requirements, "triangulation" sensors measure the location of the spot within the field of view of the detecting element. Time of flight sensors derive range from the time it takes light to travel from the sensor to the target and return. For very long range distance measurements (up to many miles) "time-of-flight" laser rangefinders using pulsed laser beams are used.
Low Cost LCIT
The LCIT series is based on a patented linear position sensor design that features all of the benefits of current LVDT inductive technology, but at a significantly lower cost.
LVDT
The linear variable differential transformer (LVDT) is a type of electrical transformer used for measuring linear displacement. Because the sliding core does not touch the inside of the tube, it can move without friction, making the LVDT a highly reliable device. The absence of any sliding or rotating contacts allows the LVDT to be completely sealed against the environment. LVDTs are commonly used for position feedback in servomechanisms, and for automated measurement in machine tools and many other industrial and scientific applications.
Magnetic Encoder
An encoder is a sensing device that translates either linear or rotary motion into a predictable electrical output.
Magnetoresistive
Measured by the change of the resistivity of a current carrying ferromagnetic material due to a magnetic field.
Potentiometers
A potentiometer is a three-terminal resistor with a sliding contact that forms an adjustable voltage divider. The potentiometer can be used as a voltage divider to obtain a manually adjustable output voltage at the slider (wiper) from a fixed input voltage applied across the two ends of the pot.
Slide Gate Position
Sensors used to measure slide gate or valve position.
String (Draw Wire) Potentiometers
A potentiometer is a three-terminal resistor with a sliding contact that forms an adjustable voltage divider. The potentiometer can be used as a voltage divider to obtain a manually adjustable output voltage at the slider (wiper) from a fixed input voltage applied across the two ends of the pot. A draw wire is attached to rotary gear that "drives" a rotary potentiometer, thus enabling long displacements at a lower cost.
Ultrasonic Modules and Systems
Electroacoustic transducers operate as transmitters or receivers. When operating as transmitters, they transform electrical energy into acoustic energy that propagates through a medium, which is usually air or water. When operating as receivers, they transform the acoustical energy into electrical energy. Electroacoustic sensors are in use in many applications, including liquid and bulk level detection, counting, position location, profiling, collision avoidance, web break detection and tensioning, ultrasonic intrusion alarms, and an automatic scoring system for ten-pin bowling.
SR1A Industrial • Voltage Divider Output
The SR1 Series String Pots are rugged, low-cost, high performance cable-extension transducers designed for position feedback in wet environments and outdoor applications. Voltage Divider Output

SR1E Industrial • Incremental Encoder Output
The SR1 Series String Pots are rugged, low-cost, high performance cable-extension transducers designed for position feedback in wet environments and outdoor applications.
Incremental Encoder Output
SR1M Industrial • User Scalable 4–20mA Output
The SR1 Series String Pots are rugged, low-cost, high performance cable-extension transducers designed for position feedback in wet environments and outdoor applications.
User Scalable 4–20mA Output
SR1V Industrial • User Scalable VDC Output Signal
The SR1 Series String Pots are rugged, low-cost, high performance cable-extension transducers designed for position feedback in wet environments and outdoor applications.
User Scalable VDC Output Signal
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