Sendyne (New York, NY) has released the SFP102MOD, a shunt-based enclosed module capable of current measurements to 375 A, with 45 μA resolution. The module achieves ±0.25% accuracy for current magnitudes, as long as the module is within the operating temperature range of -40 °C to +125 °C. When attached to properly-sized cables/bus-bars, the SFP102MOD operates with 200 A continuous current, producing less than 45 °C temperature rise. Individually calibrated units are available.

The supply voltage range is +3.3 V to +12 V. Communication interface signals are automatically adjusted (level-shifted) to the full supply voltage levels. Power consumption with 3.3 V supply is under 30 mW.

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NASA Tech Briefs Magazine

This article first appeared in the November, 2015 issue of NASA Tech Briefs Magazine.

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