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Extech Instruments Substitution Box has been discontinued by Extech Instruments and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Tools yourself to try and find the perfect replacement for you!
The Extech Instruments Substitution Box is here at Opticsforyou.com and as usual we offer great prices and discounts !
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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.