This 5-dial decade resistance substitution box is a precision adjustable resistor tool for circuit testing, electronic experiments and equipment maintenance.
Equipped with five independent adjustment knobs, it can output accurate resistance values within a wide range, replacing various fixed resistors flexibly without frequent component replacement.
The complete accessory set includes multimeter test probes, alligator clips, replacement probe pins and connecting wires, meeting different wiring and testing demands.
Compact solid housing with stable internal resistance components, reliable contact and low error. Widely used in school physics labs, electronic repair workshops, circuit debugging and DIY