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Lab #10. Electrical Transducers. Transducers. Any device that translates a physical property into an electrical one (or vice versa) Thermistor – changes temperature into resistance Photoresistor – changes illumination into resistance. Lab Activities. Activity #1 – Temperature Measurements
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Lab #10 Electrical Transducers
Transducers • Any device that translates a physical property into an electrical one (or vice versa) • Thermistor – changes temperature into resistance • Photoresistor – changes illumination into resistance
Lab Activities • Activity #1 – Temperature Measurements • Uncompensated • Using DMM special probe (see data sheet in class folder) • Compensated (with linearizing resistor) • Activity #2 – Illumination Measurements • Resistance measurements • Instrumentation amplifier (DC and AC outputs)