FMOR 被测电阻板
FMOR被测电阻板产品介绍（中文）
FMOR被测电阻板是一种专为电阻测量实验设计的精密仪器组件，适用于工厂、学校和科研单位的教学与实验场景。该产品采用优质材料制造，具有21档可调电阻范围（20Ω至5.6MΩ），包含5档盲测功能，能够满足不同精度需求的测量任务。其结构设计简洁合理，便于安装和组合使用，内置保护机制可有效防止检流计受到强电流冲击，同时通过动态验零功能显著提升调平灵敏度。产品支持校准、测量、充放电等多种电路操作模式切换，兼容性广泛，可与各类电桥仪器配套使用。电阻器采用密封开关设计，接触压力小且寿命长，有效降低变压现象，确保测量稳定性。阻值覆盖中阻范围，特别适合直流电路中的精密电阻调节和已知电阻值应用场景。157
FMOR Test Resistance Board Product Introduction (English)
The FMOR test resistance board is a precision instrument component designed for resistance measurement experiments, widely used in educational and research settings such as factories, schools, and laboratories. Featuring 21 adjustable resistance ranges (20Ω to 5.6MΩ) including 5 blind-test positions, it accommodates various measurement accuracy requirements. The product s streamlined structure facilitates easy installation and modular combination, while its built-in protection mechanism safeguards galvanometers from strong current impacts. The dynamic zero-verification function enhances balancing sensitivity significantly. Compatible with multiple operation modes including calibration, measurement, and charge/discharge circuit switching, it demonstrates broad adaptability with various bridge instruments. The sealed switch design ensures minimal contact pressure, extended lifespan, and reduced voltage variation for stable measurements. Covering medium resistance ranges, it is particularly suitable for precision resistance adjustment and known-value applications in DC circuits. 1514
产品特点补充说明
该电阻板采用耐高温基材与高稳定性电阻丝绕制工艺，通过科学工程标准确保耐冲击性和长期稳定性。不燃性涂层封装进一步保护内部元件，延长使用寿命。产品工作环境适应性较强，可在-30℃至+40℃温度范围内稳定运行，湿度条件为相对湿度不超过85%（20℃时）。支架采用绝缘瓷衬与隔垫管设计，保证散热性能，引线通过绝缘安装板螺栓引出，结构安全可靠。用户可根据实际需求协议定制其他阻值规格（如0.2Ω-260Ω范围），体现灵活的生产服务能力。819
Additional Product Features
The resistance board utilizes high-temperature resistant substrates and precision winding technology with stable resistance wires, adhering to scientific engineering standards for impact resistance and long-term stability. Flame-retardant encapsulation provides additional component protection. It maintains reliable performance within -30℃ to +40℃ temperature range and up to 85% relative humidity (at 20℃). The insulated ceramic-lined bracket with spacer tubes ensures optimal heat dissipation, while bolt-fixed leads on insulated mounting plates guarantee structural safety. Custom resistance specifications (e.g. 0.2Ω-260Ω range) are available through consultation, demonstrating flexible production capabilities. 815
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序号
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型号
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名称
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功 能 和 技 术 指 标
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准确度%
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1-69
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FMOR
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被测电阻板
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低、中、高三支电阻
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5
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1-70
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FM-QR1
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被测(二端)电阻箱
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中阻，21档20Ω—5.6MΩ,含盲测5档
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2
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|
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1-71
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FM-QR2
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被测(四端)电阻箱
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低阻, 12档0.001Ω—10Ω，含盲测3档
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2
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1-72
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FM-QR3
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被测(二端)电阻箱
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高阻，5档10MΩ-10GΩ。
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10
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1-73
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FMBZ-01
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教学标准电阻箱
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10-3Ω～105Ω；
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0.01
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1-74
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FMOB
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开关保护组件
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①检流计动态验零,提高调平灵敏度；②保护检流计免遭强冲击；③校准/测量/充放电等电路的点动/切换/换向；④适合多种仪器配用。
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