QJ60教学单双臂两用电桥
QJ60教学单双臂两用电桥产品介绍（中文）
QJ60教学单双臂两用电桥是一款专为教学实验设计的精密电阻测量仪器，采用惠斯通（单臂）和开尔文（双臂）两种经典电桥电路组合而成。该产品具备较宽的测量范围，双臂模式下可测量10⁻⁴Ω至11.11Ω的低电阻，单臂模式下可测量1Ω至111.1kΩ的中高电阻，满足金属导体电阻率、电机绕组电阻等教学实验需求。仪器采用环保型设计，可直接接入市电工作，内附检流计和可调工作电源，操作时无需额外配置附件。面板布局直观，配备灵敏度调节旋钮、倍率开关和四端接线柱，便于学生理解电桥平衡原理。外壳采用抗冲击材料，尺寸为290×220×130mm，适合实验室和现场教学使用。通过联动调节机构可有效减小接线电阻的影响，测量结果稳定可靠，有助于培养学生对精密测量技术的理解与实践能力。136
QJ60 Teaching Single-Double Arm Bridge Product Introduction (English)
The QJ60 Teaching Single-Double Arm Bridge is a precision resistance measuring instrument designed for educational experiments, integrating both Wheatstone (single-arm) and Kelvin (double-arm) bridge circuits. It features a broad measurement range from 10⁻⁴Ω to 11.11Ω in double-arm mode for low-resistance measurements, and 1Ω to 111.1kΩ in single-arm mode for medium-high resistance tasks, covering experiments such as metal resistivity and motor winding resistance tests. The environmentally conscious design allows direct connection to mains power, with built-in galvanometer and adjustable power supply for standalone operation without additional accessories. The intuitive panel includes sensitivity adjustment knobs, ratio switches, and four-terminal binding posts to facilitate student comprehension of bridge balance principles. The impact-resistant housing (290×220×130mm) suits both laboratory and field teaching scenarios. Its linkage adjustment mechanism minimizes lead resistance interference, delivering stable results for effective hands-on learning of precision measurement techniques. 41524
技术特点补充说明
该产品通过优化电路设计降低了接触电阻对测量精度的影响，双臂模式下采用四端接法可有效消除引线误差。仪器提供多档位倍率选择，最小分辨力达5μΩ（双臂）和1mΩ（单臂），适合演示不同量级电阻的测量方法对比。工作电源支持1.5V-24V宽电压输入，适配各类教学场景需求。检流计具备机械锁扣和电子调零功能，保护器件的同时提升操作便捷性。2716
Educational Value Highlights
This equipment demonstrates fundamental concepts of comparative measurement through visual bridge balancing process. The clear terminal markings (C1/P1/C2/P2) help students master four-wire resistance measurement methodology. Dual-mode switching enables comparative studies between single-arm and double-arm configurations, deepening understanding of error sources in precision instrumentation. The modular design allows optional connection of external standard resistors for advanced experimental extensions. 182528
QJ60教学单双臂两用电桥
的详细介绍
| 型号 |
名称 |
精度 |
测量范围(Ω) |
外型尺寸(mm) |
重量（kg) |
| QJ60 |
教学用直流单双臂电桥 |
0.5 |
10-4-111100 |
290*220*130 |
4 |
欢迎选购QJ60教学单双臂两用电桥，我们有优势的价格，的服务！公司承诺，所有商品保证原装正品，一年保修，终身维护！业务咨询:021-63515606,QQ客服:332318574
欢迎选购QJ60教学单双臂两用电桥，我们有优势的价格，的服务！公司承诺，所有商品保证原装正品，一年保修，终身维护！业务咨询:021-63515606,QQ客服:332318574
|
