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1434B General Radio Decade Resistor Used

1434B General Radio Decade Resistor Used

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Additional Features:

  • Total Resistance: 1,111,110 Ω
  • Resistance per Step: 1.0 Ω
  • 6-dial settability
  • Excellent stability
  • Low cost
  • Accuracy: Tolerances apply at low currents and at dc or low-frequency ac
  • Over-all: The difference between the resistances at any setting and at the zero setting is equal to the indicated value ± (0.02% + 5 m Ω)
  • Zero Resistance: Approximately 3 m Ω per dial at low frequencies
  • Max Current: These values appear on the panel of each decade box. When this max current is passed through a decade, the temporary change in value will be less than the accuracy specification. Currents appreciably higher than this will cause permanent damage.
  • Temperature Coefficient: ±10 ppm/°C at room temperature, except for the low-valued units where the +0.04%/ °C temperature coefficient of the zero resistance must be added.
  • Frequency Characteristics: Generally similar to those of the 1433 Decades
  • Switches: Multiple wiper, solid-silver-alloy switches are used to obtain low and stable zero resistance
  • Terminals: Jack-top binding posts on standard ¾-in. spacing. A shield terminal is also provided.
  • Mounting: Small cabinet for bench use.
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The General Radio 1434B is a laboratory-quality, budget-priced decade box that is designed for maximum usefulness and economy in laboratory measurement, testing, and development work. Their accuracy is adequate for all but the most exacting applications. Their small size and clear readout should be particularly useful in experimental setups using small, modern components.

The 1434B 6-dial box permits small as well as large values of resistance to be set with 3-or 4-place resolution and accuracy.

High-quality, wire-wound resistors are used in these decades. The low price is made possible by the use of only six resistors per decade instead of ten. These are combined by switching is 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 long life.

Model No

1434B

Condition

Used

Manufacturer

General Radio

General Radio 1434 Series
General Radio 1434 Instructions
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