Resistance Decade Box (7 Decade Ranges)

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$115.99 ea

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  • Jameco Part no.: 2325599
  • Manufacturer: Extech Instruments
  • Manufacturer no.: 380400
  • HTS code: 9030330040
  • Web Exclusive

Resistance Decade Box

The Extech 380400 Resistance Decade Box is very popular for product design testing and calibration because it can be easily substituted into a circuit and function in the place of any component with a standard value. Alternatively, it can be used to identify the best value for circuit operation then read that value from the switches. Then, a resistor of the size indicated by the decade box switches can be put into the circuit.


  • Durable construction
  • Case may be grounded separately
  • 3 binding posts permit isolated substitutions
  • 1% Resistance substitution from 1 to 11,111,110 Ohm
  • Seven decade ranges of resistance
  • Values can be set in 1Ω increments


  • Resistance ranges: 1 to 11,111,110Ω in 1Ω steps
  • Internal Resistance: 0.3Ω
  • Power: 0.3W Resistors
  • Connection: Three (3) binding posts
  • Accuracy: 1%
  • Operating conditions: Temperature: 32 to 122°F (0 to 50°C) / Humidity: < 80%RH
  • Dimensions 5.79 x 4.61 x 1.3" (14.7 x 11.7 x 3.3 cm)
  • Weight Approx. 0.69 lbs. (312 g)

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