ZX115 DC resistor

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ZX115 DC resistor


Multi-value resistors are resistance measuring instruments with variable resistance values. Each decade disk is an independent component composed of a precision wire-wound resistor element and a switch. The precision resistor is connected between each contact point on the switch. By moving the brush of the rotary switch on each contact point and changing the position of the brush, the resistance value corresponding to each decimal disk reading can be obtained between the four terminals.