American Aerospace Controls (AAC) introduces a series of DC current transducers that provide tight accuracy to 1.0% FS for stable operation over a temperature range of 40°C to 85°C. Series 920 and 921 transducers automatically monitor system data remotely. Each sensor uses a two-wire connection. Series 920 is available in four models with input current ranges from 0 ADC to ± 50 ADC through 0 ADC to ± 125 ADC. Series 921 offers nine models with input ranges from 0 ADC to ± 200 ADC through 0 ADC to ± 2,000 ADC. The transducers are available in both closed-loop (Series 920) and open-loop (Series 921) configurations, and come in a variety of supply range voltages from 18 V to 28 V, and feature reverse polarity protection. Normal current signal is 4 mADC to 20 mADC, with 24 mADC typical at overload, and input to output isolation of 500 MΩ at 500 VDC.
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