POTENTIOMETER ELEMENT TECHNOLOGIES
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Betatronix offers various types of proprietary element technologies and laser trimmed processes to meet extreme customer requirements.
Cermet
Cermet combines ceramic with precious metals to create a resistive material for high temperature applications.
Stable resistance over time and temperature change
Low Noise
Good Frequency response
Low Temperature coefficient
Conductive Plastic
Proprietary co-molded carbon film element made with plastic resin and carbon powder.
Laser Trimmed Accuracy & Precision Linearity
Best noise performance
Highest surface smoothness (<3µin)
Longest life
Infinite resolution
Wirewound
Stable over time and temperature change
Low static noise
High Power
Long life
TypicalCharacteristics | Cermet | Conductive Plastic | Wirewound |
Resistance Range | 10 - 5 MΩ | 100 - 1 MΩ | 10 - 100 KΩ |
Temperature Coefficient | -100 ppm/°C | -1000 ppm/°C | -50 ppm/°C |
Resolution | Infinite | Infinite | 0.1 - 1.0 % |
Linearity | < 0.25 % | < 0.04 % | 0.1 % |
Noise (Dynamic) | Moderate | Low | High |
Rotational Life (Cycles) | > 1,000,000 | > 5,000,000 | 200,000 - 1,000,000 |
High Frequency Performance | Good | Good | Poor |