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> Leeds & northrup 4040B standard resistor refurbished
Leeds & northrup 4040B standard resistor refurbished
Leeds & Northrup 4040B STANDARD RESISTOR Refurbished
The 4040B Standard Resistor is an NBS-Type resistance standard designed for use as a standard in industrial, research and educational laboratories. Made from selected wire, stress-relieved and aged to assure stability, and constructed so as to permit immersion of the complete unit in oil. ? Resistance: 10 kohms ? Current rating: 0.001% limit of error, 0.003 A; 0.02% limit of error, 0.01 A ? Terminals: four (2 current and 2 potential) ? Size: 4" x 7" x 1 7/8"
