详情
380400: Resistance Decade Box
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.
Features
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Durable construction
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Case may be grounded separately
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3 binding posts permit isolated substitutions
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1% Resistance substitution from 1 to 11,111,110Ω
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Seven decade ranges of resistance
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Values can be set in 1Ω increments
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