potentiometer


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po·ten·ti·om·e·ter

(pō-ten'shē-om'ĕ-tĕr),
1. An instrument used for measuring small differences in electrical potential.
2. An electrical resistor of fixed total resistance between two terminals, but with a third terminal attached to a slider that can make contact at any desired point along the resistance.
[L. potentia, power, + G. metron, measure]
Farlex Partner Medical Dictionary © Farlex 2012

potentiometer

(pō-tĕn″shē-ŏm′ĕ-tĕr)
A voltmeter.

calibration potentiometer

A mechanically adjusted resistance used as a calibration control on many instruments. It adjusts a voltage or current within the device.
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
For nondisabled subjects, control with the two-axis joystick was much better than that with the FSR/rocker potentiometer setup.
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.
Murata is recommending Gull Wing lead terminal shapes to replace trimmer potentiometers 4mm in size and J-lead in new design applications.
In the ordinary forms of potentiometer the control is accomplished by varying a resistance r, through which flows a nominally constant current i.
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"The potentiometer acquisition module is an important addition to the T24 wireless range of instrumentation products," said Kelly Voysey, Sales and Marketing Manager at Mantracourt.
A rotational potentiometer was placed in-line with the hinge joint and used to measure ankle motion within the device (Figure 1).
A motorized rotary potentiometer from Spectrum Sensors and Controls has been designed with a 0.906 in.
The SP1 String Pot transducer uses a flexible cable, spring-loaded spool and a potentiometer to detect and measure linear position.
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Eurotherm, Action Instruments has introduced the WebView model WV438, potentiometer input, isolating signal conditioner with TouchCAL technology.
The on-board LCD display and local setpoint potentiometer allow for adjustment of the command signal from the face of the instrument enclosure and eliminate the need for external readout/setpoint electronics.