FMT500普通型十进电感箱产品介绍
【中文版】
FMT500普通型十进电感箱是一款专为电子电路实验、教学演示及工业测量设计的精密调节设备。该产品采用模块化十进制步进结构，通过多档位组合实现电感值的灵活调节，可满足0.1mH至100H范围内的电感参数模拟需求，适用于滤波器调试、谐振电路搭建及电子元件特性分析等多种应用场景。
设备采用优质合金材料绕制电感线圈，配合特殊工艺处理，有效降低分布电容对测量精度的影响。独特的机械式旋钮切换系统提供清晰的档位触感，每个十进档位均设有独立调节单元，避免信号串扰。整体箱体采用金属屏蔽结构设计，可大幅减少外部电磁干扰，确保实验数据的稳定性。
在功能设计上，FMT500支持双向电感值调节功能，正向/反向旋转旋钮均可实现参数微调。全量程范围内电感值的线性偏差控制在±1%以内，温度漂移系数小于0.05%/℃。特别设计的弹性触点结构经10万次切换测试仍保持良好接触性能，有效延长设备使用寿命。
产品配备标准化接线端子，兼容香蕉插头和鳄鱼夹等多种连接方式。底部防滑脚垫与侧面握持凹槽的人性化设计，既保证操作稳定性又便于实验室移动使用。适用于高校电子实验室、电子元件生产企业以及无线电爱好者工作间等场景，是电路调试和教学演示的理想辅助工具。
【English Version】
The FMT500 Standard Decimal Inductance Box is a precision adjustment instrument designed for electronic circuit experiments, educational demonstrations, and industrial measurement applications. Featuring a modular decimal stepping structure, this device enables flexible inductance value adjustment through multi-range combinations, covering a wide range from 0.1mH to 100H. It is ideally suited for various applications including filter debugging, resonant circuit construction, and electronic component characteristic analysis.
Constructed with high-quality alloy winding coils and specialized processing techniques, the device effectively minimizes the impact of distributed capacitance on measurement accuracy. The unique mechanical rotary switching system provides clear tactile feedback for each range selection, with independent adjustment units for every decimal range to prevent signal crosstalk. The metal-shielded enclosure significantly reduces external electromagnetic interference, ensuring stable experimental data.
The FMT500 offers bidirectional inductance adjustment through both clockwise and counterclockwise rotation of the control knob. Linear deviation across the full range is maintained within ±1%, with temperature drift coefficient below 0.05%/℃. The specially designed elastic contact structure has undergone 100,000 switching cycle tests while maintaining reliable connection performance, ensuring extended service life.
Equipped with standard binding posts compatible with banana plugs and alligator clips, the device combines operational stability with laboratory mobility through its non-slip base pads and ergonomic side grips. Suitable for university electronics labs, electronic component manufacturers, and radio enthusiasts workshops, it serves as an excellent auxiliary tool for circuit debugging and educational demonstrations. The intuitive interface design allows quick mastery of operation methods, supporting efficient completion of diverse experimental tasks.
