FMUJ24 直流(高)電位差計
產(chǎn)品概述
FMUJ24高電勢直流電位差計是一款專為精確測量直流電勢設計的實驗室級儀器，采用補償法原理實現(xiàn)高精度測量，可直接測量0-1.61110V范圍內(nèi)的直流電勢，最小分辨率達10μV，工作電流為0.1mA。該儀器內(nèi)嵌電子基準源和高精度穩(wěn)壓電源，無需外接標準電池，接通市電即可快速投入測量。通過配合標準電阻，還能擴展測量直流電流、電阻等參數(shù)，適用于工業(yè)熱工儀表檢測和科研實驗場景。儀器采用環(huán)保設計，機身尺寸為450×300×150mm，所有十進盤均采用高絕緣材料與鍍銀觸點，確保長期穩(wěn)定的測量性能。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
核心功能與特點
該儀器采用六組十進制測量盤設計，包含20×0.1V、10×0.01V等精密電阻網(wǎng)絡，通過補償法實現(xiàn)無損耗測量，測量過程中不消耗被測電路能量。改進型設計融合數(shù)字化技術(shù)，配備電子指零儀和高穩(wěn)定性工作電源，消除傳統(tǒng)化學電池的維護難題。儀器在17-23℃環(huán)境溫度下工作時，溫度附加誤差控制在基準值的1/2范圍內(nèi)，絕緣性能可耐受2000V/1分鐘工頻耐壓測試。其分壓箱兼容性可將測量上限擴展至600V，適用于寬范圍電壓檢測需求。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被測 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
應用場景與操作優(yōu)勢
在工業(yè)現(xiàn)場應用中，該設備能快速校驗熱電偶輸出、校準毫伏表等二次儀表；實驗室環(huán)境下可配合分壓箱完成高電壓系統(tǒng)檢測，測量值顯示直觀且支持多點數(shù)據(jù)比對。人性化操作界面設置"粗-中-細"三檔檢流計靈敏度調(diào)節(jié)，標配未知端極性保護功能。改進型機內(nèi)電源預熱時間僅需10分鐘，測量時通過順序調(diào)節(jié)五組十進盤即可獲取穩(wěn)定讀數(shù)，顯著提升檢測效率。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
技術(shù)演進與可靠性
相較于傳統(tǒng)電位差計，F(xiàn)MUJ24采用帶隙基準源替代劇毒化學標準電池，結(jié)合非線性放大技術(shù)避免檢流計深度滿偏。鍍銀觸點的十進盤結(jié)構(gòu)經(jīng)10萬次旋轉(zhuǎn)測試仍保持良好接觸，所有旋鈕配備防氧化保護層。整機重約4.5kg，符合人體工程學的傾斜面板設計便于長時間操作，存放時僅需保持環(huán)境濕度<80%即可維持性能穩(wěn)定。161722
Evolving from傳統(tǒng) 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)電位差計
的詳細介紹
| FMUJ24型高電勢直流電位差計主要技術(shù)參數(shù)： |
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直接用于直流電勢的測量，配以標準電阻，可測量直流電流、電阻，是工礦企業(yè)熱工儀表測量及實驗室測量用的精密儀器。
測量范圍：0-1.61110v
小分度值:10uV
準確度等級:0.02級
工作電流:0.1mA
外形尺寸: 450×300×150mm
注:FMUJ24內(nèi)附電子基準源及檢流計高精度穩(wěn)壓源,接上市電就能測量。
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直接用于直流電勢的測量，配以標準電阻，可測量直流電流、電阻，是工礦企業(yè)熱工儀表測量及實驗室測量用的精密儀器。
測量范圍：0-1.61110v
小分度值:10uV
準確度等級:0.02級
工作電流:0.1mA
外形尺寸: 450×300×150mm
注:FMUJ24內(nèi)附電子基準源及檢流計高精度穩(wěn)壓源,接上市電就能測量。
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