0-9999 Ohm Simple Resistance Box Precision Variable Decade Resistor Teaching Instrument

This is a decimal resistance box designed for teaching and experimental use, offering a continuously adjustable resistance range from 0 to 9999 ohms. It is built with high-quality wire-wound resistors to ensure precision and reliability. The panel clearly indicates gear positions, allowing users to obtain the desired resistance by simply turning the knobs, which helps students understand the principle of series resistors and voltage divider circuits. The sturdy metal housing resists damage and impacts, while non-slip feet keep it stable on the workbench. Binding posts are nickel-plated to prevent oxidation. The product includes a user manual with typical circuit diagrams, making it convenient for instructors to prepare lessons or for students to explore independently. Ideal for physics lab classes, electronics prototyping, or maintenance testing, this resistance box is a dependable tool for any educational or workshop environment.