QJ32直流单双臂电桥
QJ32直流单双臂电桥产品介绍（中文）
QJ32直流单双臂电桥是一款采用凯尔文线路设计的便携式精密测量仪器，兼具单臂和双臂电桥功能，适用于工矿企业、科研单位及实验室对直流低电阻进行高精度测量。该产品内置指零仪和工作电源，支持宽量程测量（0.01μΩ~1111.10Ω），覆盖金属导体电阻率测定、开关接触电阻检测、电机变压器绕组测量等多种应用场景。其核心特点包括：采用锰铜合金电阻元件确保稳定性，七档量程分段校准，最小分辨率达0.00001Ω，操作时可通过灵敏度旋钮智能调节电源电压以平衡精度与安全性。仪器结构紧凑（410×260×150mm），配备集成电路检流计，支持现场快速测量，是电缆行业、电力检修等领域的实用工具。1614
QJ32 DC Single/Double Arm Bridge Product Introduction (English)
The QJ32 DC Single/Double Arm Bridge is a portable precision instrument based on Kelvin circuit design, integrating both single-arm and double-arm bridge functionalities. It performs high-accuracy measurements for DC low-resistance (0.01μΩ~1111.10Ω) with built-in null detector and power supply, suitable for laboratories, industrial sites, and field operations. Key features include: Manganin alloy resistors for stable performance, 7-range selective calibration, 0.00001Ω resolution, and an intelligent sensitivity knob to optimize voltage output. Applications span from material resistivity testing (metal rods/cables) to equipment inspection (transformer windings, contact resistance). The compact design (410×260×150mm) with integrated electronic galvanometer ensures efficient on-site measurements, making it a versatile tool for power maintenance and manufacturing sectors.6720
技术特性补充说明
仪器采用分体式端钮设计，单桥模式时通过端钮5/6接入被测电阻，双桥模式则使用7/8端钮配合标准电阻实现高精度低阻测量。内置1.5V干电池与9V叠层电池供电，支持-15℃~45℃环境工作。面板布局直观，含粗/细调按钮分级调节，避免过载风险，同时提供外接检流计接口以满足特殊场景需求。62127
Additional Technical Notes
The instrument adopts split-terminal design: terminals 5/6 for single-arm mode while 7/8 for double-arm mode with standard resistors. Powered by 1.5V dry cells and 9V laminated batteries, it operates in -15℃~45℃ environments. The panel features coarse/fine adjustment buttons for gradient control and external galvanometer ports for extended applications. The modular structure with silver-copper composite contacts enhances durability.212226
QJ32直流单双臂电桥
的详细介绍
型号：QJ19（QJ32）型
本品为精密电工测量仪器，精度高、量程宽，可组成单桥、双桥电路类测量直流中阻、低阻，也可作为精密级电阻箱使用。型号前边加上FM字样的是新机型，无FM为普通机型。新型机内增加了高灵敏度检流计、稳压电源，重新整合了外接端钮的电路，革除了原双桥的“体外循环”回路，使用更加方便稳定，物理模型更直观，是计量、科研、教学各方面客户的选款式之一。
| 测量范围 |
小步进 |
准确度 |
尺度cm3 |
重量kg |
| 10-6～106Ω |
0.1μΩ |
0.05 |
46×31×15 |
4.8 |
| 另购件：标准电阻、四端夹具、两端/四端被测电阻箱；普通型还需检流计、电源 |
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