380400: Resistance Decade Box

  • Durable construction
  • Case may be grounded separately
  • 3 binding posts permit isolated substitutions
  • 1% Resistance substitution from 1 to 11,111,110Ω
  • Seven decade ranges of resistance
  • Values can be set in 1Ω increments
  • English Datasheet
  • English User’s Manual
SKU: 380400-resistance-decade-box Categories: , Tags: , ,


Resistance box with 7 decade ranges of resistance

The Extech 380400 Resistance Decade Box is very popular for product design testing and calibration because it can be substituted into a circuit and function in the place of any component with a standard value easily. 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.

Specifications Range
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/Weight 5.79 x 4.61 x 1.3″ (14.7 x 11.7 x 3.3cm) / Approx. 0.69 lbs. (312g)

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