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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


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.
Playback of tracks 9 to 16, and with it for each crash, recall of the program for the 2 x 4 potentiometers, while control by hand of the crashes with four VCA-potentiometers and simultaneous manual control of the speed of the rotation on the QUEG.
"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.
'stop', and 'reverse' are via volt free contacts of low voltage signals; and speed can be controlled remotely by 4-20mA or 0-10vdc signals with a remote 10K potentiometer option.
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.