General Radio 1434 -X Gen Rad Decade Resistor

Description

<p>&#160;High Quality, wire round resistors are used in theses decades.&#160; There are 6 resistors per decade opposed to the regular 10. These are combined by swithching in such a way that there are no discontinuities; that is, the resistance increases stepwise just as though ten resistors were used. The switches have solid silver alloy contacts for low resistance and a long life.</p><p>&#160; Resistors are of low temperature-co efficient Evanohm* wire except the 1-ohm step and 0.1 ohm /step decades wich use wire and ribbon ( respectively ) of another low temperature coefficient alloy.&#160; The resistors of the 100-10- and 1-ohm /step decades are Ayrton-Perry wound to minimize inductance.</p><p>* Registered trademark of the Wilbur B Driver Company.</p><p>ACCURACY</p><ul><li>Tolerances apply at low currentsa and at dc or low frequency ac.</li></ul><p>OVER-ALL </p><ul><li>The difference between the resistance at any setting and at the zero setting is equal to the indicated value ±(0.02% + 5 mohm), except for the 1434-QC wich may have an additional error of ±1ohm when the rheostat is used.</li></ul><p>ZERO RESISTANCE</p><ul><li>Approx 3 mohm per dial at low frequencies.</li></ul><p>TEMPERATURE COEFFICIENT </p><ul><li>&lt;±140PPM / °C at room tempersture except for the low valued units where the +0.4%/C temperature coefficient of the zero resistance must be added.</li></ul><p>SWITCHES </p><ul><li>Multiple wiper, solid silver alloy switches are used to obtain low and stable zero resistance.</li></ul><p>TERMINALS</p><ul><li>Jack -top binding posts on standard 3/4 inch spacing. A shield terminal is also provided.&#160;</li></ul><p>&#160;</p>

Specifications