FMT12H 普通十进电感箱
FMT12H普通十进电感箱产品概述
FMT12H是一款专为交流电路设计的教学用十进电感箱，适用于高校实验室、科研机构等场景。该产品采用单盘结构，每个盘均设有独立接线柱，支持串联、并联或单独使用，操作灵活便捷。其核心功能是作为可变标准电感器，可广泛应用于滤波电路、阻抗变换、交流电桥和谐振电路等场景，满足不同实验需求。电感箱采用耐高温绝缘材料骨架，确保电感值稳定可靠，工作频率兼容1kHz±20Hz的正弦波信号。39
技术参数与性能特点
FMT12H的最小步进值为5mH，最大电感为20mH，可调范围为(0～4)×5mH（高频模式），准确度为0.5%。额定工作电流为0.6A，适合低功耗实验环境。产品设计注重实用性，箱体采用非金属底座以减少铁磁性干扰，确保测量精度。多档位调节功能可通过旋钮快速切换，同时红黑双色接线柱标识清晰，便于用户区分同名端连接。外型尺寸紧凑（参考常见单盘结构），重量轻便，便于实验室移动和存放。2426
产品应用场景
本电感箱特别适合教学演示和基础电路实验，例如在交流电路中模拟电感参数变化、验证谐振频率或构建RLC振荡电路。其高频特性（如(1～4)×5mH范围）还可用于射频电路初步研究。用户可通过组合多个电感箱扩展量程，或与其他仪器（如示波器、信号发生器）配合完成综合性实验。产品设计考虑了长时间工作的稳定性，建议在环境温度20±5℃、湿度80%以下条件下使用，避免金属基座接触以减小误差。714
FMT12H Decade Inductance Box Introduction
The FMT12H is a single-decade inductance box designed for AC circuit applications in educational and research settings. It serves as an adjustable standard inductor, suitable for filtering, impedance matching, AC bridges, and resonant circuits. The unit features a high-frequency range of (0～4)×5mH with 0.5% accuracy, and its non-inductive winding structure ensures stable performance under 1kHz±20Hz sinusoidal waveforms. The red/black binding posts allow flexible series or parallel connections for extended functionality.326
Key Specifications
With 5mH minimum step and 20mH maximum inductance, the FMT12H operates at 0.6A rated current. Its compact design employs high-temperature-resistant insulation materials to minimize drift. The rotary switches provide precise adjustment, while the plastic base reduces magnetic interference. Typical applications include demonstrating inductive reactance principles, frequency response analysis, and basic RF circuit experiments. For optimal performance, avoid placing the unit on conductive surfaces during operation.29
Educational Value
This inductance box is ideal for university labs requiring hands-on exploration of AC circuit behaviors. Students can empirically verify theoretical models like phase shifts in RL circuits or resonant tank configurations. The open-terminal design encourages experimental creativity, while the robust construction withstands frequent use. When combined with other instruments, it forms a complete learning platform for fundamental electronics engineering concepts.714
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进 电 感 箱( 普通型 )
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序号
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型号
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开关数
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小步进mH
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大电感mH
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可调范围mH
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准确度%
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额定电流A
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出厂价￥
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|
4-1
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GX9/00
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1
|
0.001
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0.01
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(0～10)×0.001
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10
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0.6
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750
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4-2
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GX9/0
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1
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0.01
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0.1
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(0～10)×0.01
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5
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0.6
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670
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|
4-3
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GX9/1
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1
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0.1
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1
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(0～10)×0.1
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2
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0.6
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600
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4-4
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GX9/2
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1
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1
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10
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(0～10)×1
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1
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0.38
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670
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4-5
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GX9/3
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1
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10
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100
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(0～10)×10
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0.5
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0.15
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700
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4-6
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GX9/4
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1
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100
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1000
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(0～10)×100
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0.5
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0.05
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700
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4-7
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GX9/5
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1
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1000
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10000
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(0～10)×1000
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1
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0.01
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700
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4-8
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FMT12H
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1
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5
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20
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(0～4)×5(高频)
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0.5
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0.6
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880
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4-9
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FMT/001
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2
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精密纳亨电感箱
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(0～10)×(0.01+0.1)μH
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5
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2.2
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2050
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4-10
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FMT200
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2
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0.01
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1.10
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(0～10)×(0.01+0.1)
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2
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2.2/1.5
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1150
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4-11
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FMT20
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2
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0.1
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11.0
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(0～10)×(0.1+1)
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1
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1.5/1.0
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1150
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4-12
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FMT21
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2
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1
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110
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(0～10)×(1+10)
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0.5
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1.0/0.6
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1050
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4-13
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FMT22
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2
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10
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1100
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(0～10)×(10+100)
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0.5
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0.6/0.08
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1150
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4-14
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FMT23
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2
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100
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11000
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(0～10)×(100+1000)
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0.5
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0.08/0.015
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1200
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4-15
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FMT300
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3
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0.001
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1.110
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(0～10)×(0.001+0.01+0.1)
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2
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2.2/1.5
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1400
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4-16
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FMT30
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3
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0.01
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11.10
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(0～10)×(0.01+0.1+1)
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1
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2.2/1.0
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1400
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4-17
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FMT31
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3
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0.1
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111.0
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(0～10)×(0.1+1+10)
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0.5
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1.5/1.0/0.6
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1500
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4-18
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FMT32
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3
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1
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1110
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(0～10)×(1+10+100)
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0.5
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1.0/0.6/0.08
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1600
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4-19
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FMT33
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3
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10
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11100
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(0～10)×(10+100+1000)
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0.5
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0.6/0.015
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1800
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4-20
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FMT400
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4
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0.001
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1110.0
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(0～10)×(0.001+0.01+0.1+1)
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1
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2.2/1.0
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1800
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4-21
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FMT40
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4
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0.01
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111.10
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(0～10)×(0.01+0.1+1+10)
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0.5
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2.2/0.6
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1800
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4-22
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FMT41
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4
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0.1
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1111.0
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(0～10)×(0.1+1+10+100)
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0.5
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1.5/0.08
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1900
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4-23
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FMT42
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4
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1
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11110
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(0～10)×(1+10+100+1000)
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0.5
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1.0/0.015
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2050
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4-24
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FMT500
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5
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0.001
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111.110
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(0～10)×(0.001 + 0.01 + 0.1 + 1 + 10)
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0.5
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2.2/0.6
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2230
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4-25
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FMT50
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5
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0.01
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1111.10
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(0～10)×(0.01 + 0.1 + 1 + 10 + 100)
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0.5
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2.2/0.08
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2230
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4-26
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FMT51
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5
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0.1
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11111.0
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(0～10)×(0.1 + 1 + 10 + 100 + 1000)
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0.5
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1.5/0.015
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2380
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