FMQK交直流四端低阻箱
产品概述
FMQK交直流四端低阻箱是一种多功能可调电阻设备，适用于交直流电路中的精密电阻调节和电桥桥臂应用。该产品采用旋转式开关设计，支持多档位电阻调节，能够满足教学、科研及工业测试场景的需求。其核心特点是四端测量结构，可有效减少接触电阻对测量精度的影响，适合低阻值环境下的高精度实验。产品设计注重稳定性和耐用性，接触部件采用微弹簧压紧技术，长期使用后仍能保持较低的接触电阻变化。1321
技术特点
FMQK交直流四端低阻箱提供宽范围的电阻调节能力，典型型号的示值范围为0～1111.110Ω，最小步进值可达0.0001Ω，准确度等级为0.5%。产品支持多组联动调节，例如二组独立比率设计（如2×1/10/100Ω），便于自组单/双臂电桥或电位差计实验。电阻元件采用高稳定性材料，绝缘支座选用聚风塑料，确保良好的电气隔离性能。此外，设备内置十字分割架结构技术，优化了线对间的平衡对称性，进一步提升测量一致性。42028
应用场景
该设备广泛应用于高校物理与电工实验、科研单位电学参数验证以及工业领域的电气检测。例如，在教学中可用于自组交流电桥、暂态电路分析等实验；在工业场景中，可作为校准数字欧姆表或测试低阻器件的辅助工具。其四端设计特别适合需要排除引线电阻干扰的场合，如电池内阻测量或微小电阻元件测试。产品操作简便，通过旋转开关即可快速设定目标阻值，同时支持多路输出，适配不同型号的测试仪表。61830
使用与维护
使用前建议旋转开关数次以确保接触稳定，连接导线需牢固且不超过标称功率（如0.25W）。存储环境建议为温度10～30℃、湿度低于75%的无腐蚀性气体场所。设备配备说明书和合格证，用户需避免错误接线导致损坏。长期不使用时，应定期通电检测以保持性能。1711
Product Overview
The FMQK AC/DC Four-Terminal Low Resistance Box is a versatile adjustable resistor device designed for precise resistance regulation in both AC and DC circuits, as well as for bridge arm applications. Featuring a rotary switch mechanism, it supports multi-range resistance adjustment, catering to educational, research, and industrial testing needs. Its four-terminal measurement structure minimizes contact resistance interference, making it ideal for high-precision experiments in low-resistance environments. The product emphasizes stability and durability, with contact components utilizing micro-spring compression technology to maintain consistent performance over time.1321
Technical Features
With a typical resistance range of 0～1111.110Ω and a minimal step increment of 0.0001Ω, the FMQK achieves an accuracy class of 0.5%. It offers flexible configurations such as dual independent ratio settings (e.g., 2×1/10/100Ω), facilitating experiments like self-assembled single/double bridges or potentiometers. High-stability materials are used for resistive elements, while insulated supports made of polypropylene ensure excellent electrical isolation. The cross-segmentation frame technology enhances balance between wire pairs, improving measurement consistency.42028
Applications
This device is widely employed in university physics and electrical engineering labs, research institutes for parameter validation, and industrial electrical testing. For instance, it serves in teaching experiments like AC bridge assembly and transient circuit analysis, or in industrial settings for calibrating digital ohmmeters and testing low-resistance components. The four-terminal design is particularly effective in scenarios requiring elimination of lead resistance interference, such as battery internal resistance measurement. Its user-friendly rotary switches enable quick setup, and multi-channel output compatibility adapts to various test instruments.61830
Operation & Maintenance
Prior to use, rotate switches several times to stabilize contacts, and ensure connections are secure without exceeding rated power (e.g., 0.25W). Store in environments with 10～30℃ temperature and <75% humidity, free from corrosive gases. The package includes an instruction manual and certification, and users should avoid incorrect wiring to prevent damage. Periodic performance checks during prolonged storage are recommended.1711
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新特电阻箱
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|
3-53
|
FMQK
|
5
|
同步电阻箱
用于教学,自组双臂电桥
|
比率(定值)：2×100Ω；读数(二组联动)：
2×(0～9)(0.01+0.1+1+10+100)Ω
|
0．1
|
1800
|
|
3-54
|
FMQ-10000
|
7
|
万用电阻箱
用于教学,自组单/双臂电桥、电位差计
|
比率(二组独立)：2×1/10/102/103Ω
读数(二组同步联动或代换联动)：
2×(0～10)10-2/10-1/1/10/102Ω
|
0.05
|
1980
|
|
3-55
|
ZX5221
|
8
|
组合式电阻箱
|
0～110Ω，5-2-2-1组合，隐含数字化理念,启迪创新
|
1
|
200
|
|
3-56
|
MOT-01
|
4
|
数字欧姆表校准箱
|
4路输出，适合3种型号的表
|
0.1
|
3880
|
|
3-57
|
ZXB01
|
5
|
倍率补偿阻容箱
用于教学,自组交流电桥
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倍率(二盘独立)：2×(100～30k)Ω；
补偿(三盘步进)：0～11.10nF
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0.1
|
1800
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