FM02单/双直流电桥演示仪/FM-02
产品概述
FM02单/双直流电桥演示仪（FM-02）是一款专为教学和实验设计的电工测量仪器，适用于大专院校、科研单位及工矿企业的实验室场景。该仪器通过单桥或双桥电路结构，可精确测量直流中阻和低阻值电阻，同时兼具电阻箱功能，满足多样化实验需求。其内附检流计、多档标准电阻（0.01Ω、0.1Ω、1Ω）及可调电阻箱（0～10×1/10/100/1000Ω），并集成稳压源与恒流源，简化操作流程，提升实验效率。134
功能特点
FM-02采用直观的面板布局，所有比例臂电阻和接线端子均清晰标注，便于快速搭建单桥或双桥测量电路。仪器支持宽范围电阻测量，用户可通过调节标准电阻箱实现精密微调，配合内置检流计实时监测平衡状态，确保数据准确性。此外，其稳定的电源输出和模块化设计，可有效降低外部干扰，适合演示惠斯登电桥原理及凯尔文电桥的实际应用。2612
教学应用价值
该演示仪通过实物操作帮助学生理解电桥平衡条件与电阻测量原理，尤其适用于电磁学基础课程和电工实验。其双桥模式能直观展示低阻测量的关键技术，如四线法消除接触电阻影响。仪器结构紧凑，操作简单，可重复性强，是物理与工程学科实验教学的理想工具。727
设计优势
FM02采用耐用材质与人性化设计，如防滑底座和可拆卸接线柱，兼顾安全性与便捷性。无外接电源依赖的设计（部分型号支持电池供电）使其适用于野外或无市电环境。整体设计注重教学演示效果，例如通过彩色标识区分不同功能区域，降低学习门槛。428
English Introduction
Product Overview
The FM02 Single/Dual DC Bridge Demonstrator (FM-02) is an educational instrument designed for electrical measurement experiments in universities, research institutes, and industrial laboratories. It supports both Wheatstone bridge (single bridge) and Kelvin bridge (double bridge) configurations to measure medium and low-range DC resistances with precision. The built-in galvanometer, standard resistors (0.01Ω, 0.1Ω, 1Ω), and adjustable resistance box (0～10×1/10/100/1000Ω) simplify circuit balancing, while integrated stable power sources enhance operational efficiency. 13
Key Features
With a user-friendly interface, the FM-02 allows quick setup of bridge circuits via clearly labeled terminals and ratio arms. Its wide measurement range and fine-tuning capability through the resistance box ensure accurate results, supported by real-time galvanometer feedback. The modular design minimizes external interference, making it suitable for demonstrating fundamental principles of resistance measurement. 612
Educational Benefits
Ideal for physics and engineering courses, this demonstrator visually explains bridge equilibrium conditions and low-resistance measurement techniques (e.g., four-wire method). Hands-on operation reinforces theoretical knowledge, while repeatable experiments cater to diverse learning scenarios. Compact and portable, it adapts to classroom or field environments. 727
Design Highlights
Durable construction with non-slip base and detachable terminals ensures safety and longevity. Optional battery-powered models expand usage flexibility in off-grid settings. Color-coded functional zones and intuitive layout reduce complexity, enabling effortless student engagement. 428
FM02 单/双直流电桥演示仪
的详细介绍FM02单/双直流电桥演示仪/FM-02
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10-32
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FM01
交流电桥原理及谐振实验仪
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内含二只1Ω、10Ω、1000Ω、10KΩ可变桥臂，二只桥臂位置可以相邻臂，也可以转换成相对臂。一只（0～10）×（0.1+0.01）μF电容箱与一只(0～10)×(1+10+100+1000)Ω交流电阻箱组成可串联或并联的另一桥臂,并含有(0～10)×0.01H电感箱，频率计、调频电源。接上市电，即可做二项实验。
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6800
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10-33
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FM02
单/双直流电桥演示仪
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内附检流计、0.01Ω、0.1Ω、1Ω、三只标准电阻及（0～10）×（1+10+100+1000）标准电阻箱，稳压源及恒流源，只要接上市电就能进行直线双桥、直线单桥演示实验。
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4800
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10-34
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FM03
箱式电桥演示仪
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内附稳压源、检流计、QJ23a及QJ44相同结构的单桥、双桥、比例臂电阻及引线均在面板上显示，增加实验的直观性。接上市电即可实验。
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3100
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10-35
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FM05
多用途物理
实验箱
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内附0～30V可调稳压电源，二只滑线电阻器，三只数字电压表和电流表、2Ω标准电阻，及二只电阻箱，只要接上市电就能完成下列实验：电表内阻测量、电表改装及校正、二级管变阻伏安特性研究、灵敏电流计特性研究，热功当量测量定及液体比热容测定。
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5800
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