FMT20普通十进电感箱
产品概述
FMT20普通十进电感箱是一款专为高校实验室和电子工程应用设计的精密电感调节设备。该产品采用十进制步进调节方式，能够提供稳定可靠的电感值变化，适用于交流电路中的滤波、阻抗变换、谐振电路等多种实验场景。其核心特点是结构简单、操作便捷，能够满足教学和科研中对可变电感元件的需求。16
技术参数
FMT20电感箱的可调范围为(0~10)×(0.1+1)mH，最小步进0.1mH，最大电感值11.0mH。产品采用优质材料制造，确保电感值的稳定性和重复性。工作电流为1.5A/1.0A，适合在1kHz±20Hz频率范围内使用。产品外形尺寸为260×200×140mm，重量适中，便于实验室移动和安装。1522
产品特点
该电感箱采用耐高温、绝缘性能优异的塑料骨架，绕制工艺精密，确保电感值长期稳定。每个电感抽头都焊接在十进开关触点上，形成0-10的可变步进调节电路。产品接线柱采用红黑双色标识，便于用户识别同名端连接。使用时不建议放置在铁磁性物质附近，以免影响测量精度。2213
应用领域
FMT20十进电感箱主要应用于高校电工电子实验教学，可用于一阶、二阶电路响应实验、功率因数提高实验、交流参数测定等。同时也适用于电子工程师在研发过程中对滤波电路、谐振电路的调试工作。产品每个步进盘都可以单独使用，也可以通过串联扩展调节范围，使用灵活方便。210
Product Overview
The FMT20 Decade Inductance Box is a precision adjustable inductance device designed for university laboratories and electronic engineering applications. It features decimal step adjustment to provide stable and reliable inductance value variations, suitable for various experimental scenarios in AC circuits including filtering, impedance transformation, and resonant circuits. The product is characterized by its simple structure and easy operation, meeting the needs of teaching and research for variable inductance components.16
Technical Specifications
The FMT20 offers an adjustable range of (0~10)×(0.1+1)mH, with minimum step of 0.1mH and maximum inductance of 11.0mH. Manufactured with high-quality materials, it ensures stability and repeatability of inductance values. The working current is 1.5A/1.0A, suitable for use within the frequency range of 1kHz±20Hz. The product dimensions are 260×200×140mm, with moderate weight for easy movement and installation in laboratories.1522
Key Features
This inductance box utilizes high-temperature resistant plastic bobbins with excellent insulation properties, employing precision winding technology to ensure long-term stability of inductance values. Each inductance tap is soldered to decade switch contacts, forming a 0-10 variable step adjustment circuit. The product features red and black color-coded terminals for easy identification of same-phase connections. It is recommended to avoid placement near ferromagnetic materials during use to prevent measurement inaccuracies.2213
Applications
The FMT20 Decade Inductance Box is primarily used in university electrical and electronic laboratory teaching, suitable for experiments such as first-order and second-order circuit responses, power factor improvement, and AC parameter measurements. It also serves electronic engineers in debugging filter circuits and resonant circuits during research and development. Each step panel can be used independently or connected in series to expand the adjustment range, offering flexible usage options.210
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十 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
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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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FMT12H FMT21 FMT22 FMT23教学用十进电感箱
| 教学用十进电感箱 |
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型号：FMT 系列
本品用在交流电路中作为可变标准器，或作为滤波、阻抗变换、交流电桥、谐振电路等的感性元件，有单盘、多盘之分、每个盘都引出接线柱，便于串、并联或单独使用，特别适合高校实验室之用。
| 型号 |
开关数 |
小步进 |
大电感 |
准确度
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| FMT12H |
1 |
5mH |
20mH |
5%
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| FMT21～23 |
2 |
1;10;100mH |
110;1100;11000mH |
| FMT31～33 |
3 |
0.1;1;10mH |
111;1110;11100mH |
| FMT41～42 |
4 |
0.1;1mH |
1111;11110mH |
| FMT51 |
5 |
0.1mH |
1111mH |
| 尺度：15×16 ～23×23×46cm2 |
重量：2.5～4kg |
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