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.
Features:
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
Specifications
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)