FMUJ24 直流(高)电位差计
产品概述
FMUJ24高电势直流电位差计是一款专为精确测量直流电势设计的实验室级仪器，采用补偿法原理实现高精度测量，可直接测量0-1.61110V范围内的直流电势，最小分辨率达10μV，工作电流为0.1mA。该仪器内嵌电子基准源和高精度稳压电源，无需外接标准电池，接通市电即可快速投入测量。通过配合标准电阻，还能扩展测量直流电流、电阻等参数，适用于工业热工仪表检测和科研实验场景。仪器采用环保设计，机身尺寸为450×300×150mm，所有十进盘均采用高绝缘材料与镀银触点，确保长期稳定的测量性能。1316
The FMUJ24 High-Potential DC Potentiometer is a laboratory-grade instrument designed for precise DC potential measurements. Based on the compensation principle, it directly measures DC potentials in the range of 0-1.61110V with 10μV resolution at 0.1mA operating current. Featuring built-in electronic reference source and precision regulated power supply, it operates directly with mains power without requiring external standard batteries. When used with standard resistors, it can measure DC current and resistance, making it suitable for industrial thermotechnical measurements and scientific research. Its eco-friendly design (450×300×150mm) incorporates high-insulation dials with silver-plated contacts for long-term stability.136
核心功能与特点
该仪器采用六组十进制测量盘设计，包含20×0.1V、10×0.01V等精密电阻网络，通过补偿法实现无损耗测量，测量过程中不消耗被测电路能量。改进型设计融合数字化技术，配备电子指零仪和高稳定性工作电源，消除传统化学电池的维护难题。仪器在17-23℃环境温度下工作时，温度附加误差控制在基准值的1/2范围内，绝缘性能可耐受2000V/1分钟工频耐压测试。其分压箱兼容性可将测量上限扩展至600V，适用于宽范围电压检测需求。31622
The instrument features six decades of measurement dials (including 20×0.1V and 10×0.01V precision resistors) employing zero-current compensation method that preserves被测 circuit energy. Upgraded with digital technologies, it integrates electronic null detector and ultra-stable power supply, eliminating maintenance needs of conventional batteries. Operating within 17-23℃, its temperature-induced error remains below half of reference values, with 2000V/1min insulation withstand capability. When paired with voltage dividers, its measurement range extends to 600V for broad voltage testing scenarios.151621
应用场景与操作优势
在工业现场应用中，该设备能快速校验热电偶输出、校准毫伏表等二次仪表；实验室环境下可配合分压箱完成高电压系统检测，测量值显示直观且支持多点数据比对。人性化操作界面设置"粗-中-细"三档检流计灵敏度调节，标配未知端极性保护功能。改进型机内电源预热时间仅需10分钟，测量时通过顺序调节五组十进盘即可获取稳定读数，显著提升检测效率。61116
In industrial applications, the device efficiently validates thermocouple outputs and calibrates millivolt meters, while laboratory use enables high-voltage system testing through voltage dividers with intuitive multi-point data comparison. User-friendly interface includes three-tier sensitivity adjustment ("Coarse-Medium-Fine") for null detector and polarity protection on unknown terminals. The enhanced power supply achieves 10-minute warm-up time, and sequential adjustment of five decade dials ensures stable readings for improved workflow efficiency.111219
技术演进与可靠性
相较于传统电位差计，FMUJ24采用带隙基准源替代剧毒化学标准电池，结合非线性放大技术避免检流计深度满偏。镀银触点的十进盘结构经10万次旋转测试仍保持良好接触，所有旋钮配备防氧化保护层。整机重约4.5kg，符合人体工程学的倾斜面板设计便于长时间操作，存放时仅需保持环境湿度<80%即可维持性能稳定。161722
Evolving from传统 designs, FMUJ24 replaces toxic standard cells with bandgap reference sources and incorporates non-linear amplification to prevent galvanometer overload. Its silver-plated contact dials maintain reliable connection after 100,000 rotations, with all knobs featuring anti-oxidation coating. The 4.5kg unit adopts ergonomic tilt-panel design for prolonged operation, requiring only <80% humidity storage conditions for performance preservation.162224
FMUJ24 直流(高)电位差计
的详细介绍
| FMUJ24型高电势直流电位差计主要技术参数： |
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直接用于直流电势的测量，配以标准电阻，可测量直流电流、电阻，是工矿企业热工仪表测量及实验室测量用的精密仪器。
测量范围：0-1.61110v
小分度值:10uV
准确度等级:0.02级
工作电流:0.1mA
外形尺寸: 450×300×150mm
注:FMUJ24内附电子基准源及检流计高精度稳压源,接上市电就能测量。
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直接用于直流电势的测量，配以标准电阻，可测量直流电流、电阻，是工矿企业热工仪表测量及实验室测量用的精密仪器。
测量范围：0-1.61110v
小分度值:10uV
准确度等级:0.02级
工作电流:0.1mA
外形尺寸: 450×300×150mm
注:FMUJ24内附电子基准源及检流计高精度稳压源,接上市电就能测量。
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