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Position sensors for feedback in hydraulic or pneumatic cylinders have typically used one of three technologies: Linear Variable Inductance Transducers (LVITs), variable resistance potentiometers (Pots), or magnetostrictive transducers (MLDTs).
Bourns' broad portfolio of products including rimming potentiometers, overcurrent protection devices, sensors, modular contacts, resistive networks, switches, encoders, panel controls, linear motion potentiometers, dials, precision potentiometers, inductive components, chip resistors and chip resistor arrays, and more is available for immediate shipment globally from Digi-Key.
Small, dime-sized potentiometers typically can't handle more than a few dozen milliwatts before they burn out.
Precision 20-turn potentiometers allow fine adjustment of zero and span.
POSITAL's Magnetocode (MCD) absolute rotary encoders with analog output (voltage or current) are positioned as an alternative to single - or multi-turn potentiometers in systems that use analog instrumentation to measure and control rotary motion.
Displacement measurements are possible with potentiometers or two ranges of inductive sensors, and we have capacitive sensors for accurate gap sensing.
The Magnetocode (MCD) absolute rotary encoders with analog output (voltage or current) are an ideal alternative to single- or multi-turn potentiometers in systems that use analog instrumentation to measure and control rotary motion.
Analog (proportional) sensors include force-sensing resistors (FSRs), motion-tracking sensors such as linear potentiometers or potentiometer-based joysticks, and electromyographic (EMG) sensors.
The manufacturer says the product can replace potentiometers or optical encoders.
Low-cost, compact, and lightweight, these encoders are replacing analog potentiometers and resolvers by delivering fluid, smooth movement and eliminating eventual maintenance concerns.
Removable shorting shunts on pin headers together with multi-turn potentiometers allow precise and easy adjustment.
A standard feature on the WV448, TouchCAL technology "replaces the mechanical and thermal variability of potentiometers with the electronic stability of a microprocessor," Action Instruments says.