IET 1482-K Overview

The 1482K is an accurate, highly stable standard of self inductance for use as a low-frequency reference or working standard in the laboratory. Records extending over 13 years, including those of inductors that traveled to national laboratories in several countries for calibration, show long-term stabilities well within ±0.01%. It is a uniformly wound toroid on a ceramic core. It has a negligible external magnetic field and hence essentially no pickup from external fields. "Nominal Inductance: 50 mH "Adjustment Accuracy: ±0.1% "Resonant Frequency: 84kHz

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