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1432J General Radio Decade Resistor Used

1432J General Radio Decade Resistor Used

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Additional Features:

  • Total Resistance: 11,110 ohms
  • Steps: 1 ohms
  • Number of Dials: 4
  • Type 510 Decades Used: B, C, D, E
  • Mounting: Aluminum panel and cabinet
  • Terminals: Jack-top binding posts set on General Radio standard ¾-inch spacing
  • Shield terminal is provided
  • Low zero resistance-less than 0.003 ohm per decade
  • High accuracy: 0.05% for most decades
  • Low temperature coefficient of resistance
  • Negligible thermal emf to copper
  • Resistor are adjusted to specified values at their own terminals rather than at the box terminals, so that resistance increments are always correctly indicated
  • Residual impedances are small and are given in the specifications so that approximate frequency characteristics can be computed
  • Maximum current for each decade based on 40°C temperature rise is engraved on panel
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Specifications
Datasheets

The 1432J Decade Resistor is an assembly of Type 510 Decade-Resistance Units in a single cabinet. Mechanical as well as electrical shielding of the units is provided by the rugged aluminum cabinet and panel, which completely enclose both the resistance units and switch contacts. The resistance units and switch contacts. The resistance elements have no electrical connection to the cabinet and panel, for which a separate shield terminal is provided.

The 1432J has a four-dial decade assembly and each decade has eleven contact studs and ten resistance units, so that the dial values overlap. Positive detent mechanisms in conjunction with bar-type knobs permit the operator to sense the position of the switches without looking at the panel.

Model No

1432J

Condition

Used

Manufacturer

General Radio

IET Labs-General Radio 1432 Series
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