| Adjustability |
– |
accuracy of wiper positioning; subjectivemeasure of the accuracy with which apotentiometer can be set properly in an active circuit within a specified time limit. |
| Cermet |
– |
resistive element made from mixture of glass and metal oxides. |
| Conductive plastic |
– |
resistive element made from carbon powder and plastic resin. |
| Conformity |
– |
allowable deviation of output voltage from the theoretical for non-linear functions. |
| Contact |
– |
slider which contacts resistive element. |
| Contact resistance |
– |
resistance existing between wiper contact and resistive element. |
| Contact resistance variation (CRV) |
– |
variable resistance between wiper and resistance element when the wiper is energized with a specified current and moved over the adjustment travel at a constant speed (non-wirewound only). |
| End resistance |
– |
resistance measured between wiper and end terminal when wiper is against adjacent end stop. |
| Equivalent noise resistance |
– |
any spurious variation in the electrical resistance (ENR) output not found in the input, appearing between the contact and the resistive element when the shaft is rotated (wirewound only). |
| Linearity |
– |
output related to wiper position from 0% to 100% of electrical angle. |
| Minimum resistance |
– |
lowest value of resistance possible between the wiper and either end terminal, expressed as a maximum value. |
| Network |
– |
a combination of fixed resistors. |
| Output smoothness |
– |
maximum instantaneous variation in output voltage from ideal (conductive plastic precisions) |
| Panel control |
– |
a variable resistive device with moderate accuracy made to be adjusted frequently. (Medium Rotational Life) |
| Potentiometer |
– |
a variable resistive device. |
| Power rating |
– |
maximum heat that can be dissipated by potentiometer under specified conditions. |
| Precision potentiometer |
– |
highly accurate variable resistive device mademade to be adjusted frequently. (High Rotational Life) |
| Resolution |
– |
minimum step changes in output as wiper moves across resistive wirewound element. |
| Temperature coefficient |
– |
maximum change in total resistance due to change in operating temperature. |
| Terminations |
– |
user-accessible connections to the wiper and ends of the resistive element. |
| Total resistance |
– |
resistance between the end terminals of apotentiometer. |
| Trimming potentiometer (Trimmer) |
– |
variable resistive device made to be adjusted infrequently. (Low Rotational Life) |
| Wiper |
– |
slider which contacts resistive element. |
| Wirewound |
– |
resistive element made by wrapping resistance wire around an insulated core. |
