The Decade Condenser Boxes from AGN Enterprises are precision laboratory instruments used to provide selectable and adjustable capacitance values in electrical circuits. They allow users to introduce known capacitance into an experimental circuit and change the capacitance systematically without replacing individual capacitors.
These boxes are particularly useful for physics practicals, electrical engineering experiments, electronics laboratories, capacitance measurements, bridge circuits, resonance studies, and educational demonstrations.
| Single Dial Condenser Box | Two Dial Condenser Box | Three Dial Condenser Box | Fixed Condenser Box | |
| a) | 10×0.001mfd | 10×0.001&10×0.01mfd | 10×0.001, 10×0.01 & 10 ×0.1 mfd | 10×0.001, 10×0.01, 10×0.1, 10×1 mfd |
| b) | 10×0.01mfd | 10×0.01&10×0.1mfd | 10×0.01 , 10×0.1 &10×1mfd | |
| c) | 10×0.1mfd | 10×0.1&10×1mfd | – | – |
| d) | 10×1mfd | – | – | – |
A Decade Condenser Box contains several capacitors arranged in selectable decade sections. By operating the controls, the user can connect different capacitance combinations into the circuit.
This allows the capacitance to be varied in predetermined steps. Consequently, students can investigate how changing capacitance affects circuit behavior while keeping the experimental arrangement stable.
The selected capacitance can be used in suitable experiments involving RC circuits, AC circuits, resonance, capacitance measurement, bridge methods, and electronic circuit analysis.
The apparatus can be used for:
Furthermore, the box can be used with oscilloscopes, signal generators, multimeters, bridges, power supplies, and other compatible laboratory instruments.
The decade arrangement makes it convenient to change capacitance in a controlled manner. Instead of repeatedly connecting and disconnecting separate capacitors, users can select the required value using the available controls.
This makes experiments more systematic and reduces the time required to modify circuit configurations. Moreover, students can record how circuit parameters change as capacitance is increased or decreased.
The Decade Condenser Boxes are valuable teaching aids for demonstrating concepts such as:
Students can combine theoretical calculations with practical observations, helping them understand the effect of capacitance on electrical circuits.
The equipment is suitable for schools, colleges, universities, engineering institutions, electronics laboratories, physics departments, and research facilities.
Before ordering, laboratories should confirm the required capacitance range, minimum step value, accuracy, working voltage, number of decades, terminal configuration, and insulation characteristics according to the intended application.
AGN Enterprises supplies laboratory equipment for educational, scientific, engineering, and research applications. The Decade Condenser Boxes provide a convenient method for selecting known capacitance values during electrical and electronics experiments.
Their systematic adjustment makes them particularly useful for laboratory exercises where capacitance needs to be varied repeatedly and measured under controlled conditions.
