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Compact 100-Ω metal foil dc resistors with four terminals have been developed (dimensions of 56 mm × 56 mm × 77 mm; mass of 130 g). Twelve units were characterized at a current of 1 mA over a period of one year, and the fluctuations in resistance were found to be sufficiently small to allow their use at national metrology institutes. The developed resistors have the following main characteristics:...
Compact 100 Ω metal foil four terminal DC resistor has been developed (W56 × D56 × H77 mm3; 128 g). Twelve units were characterized and resistance variation was found to be small to suit use in national metrology institutes (<;0.1 (μΩ/Ω)/year; <;0.15 (μΩ/Ω)/K at 23°C; and <;0.01 μΩ/Ω in the humidity range from 35%RH to 80%RH).
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