FJ31 直流分壓箱
FJ31直流分壓箱產(chǎn)品介紹
FJ31直流分壓箱是一種基于電阻分壓原理設(shè)計的精密測量設(shè)備，主要用于擴(kuò)展直流電位差計的量程范圍，也可在額定電壓范圍內(nèi)的直流電路中作為分壓器使用。該產(chǎn)品采用定阻輸入式結(jié)構(gòu)設(shè)計，通過精密線繞電阻鏈在不同分壓點上實現(xiàn)電壓倍率轉(zhuǎn)換，提供×10、×100、×200、×500四個常用倍率選擇。其核心部件選用優(yōu)質(zhì)電阻合金材料，采用傳統(tǒng)工藝制造，具有可靠性強、溫漂小、散熱性能優(yōu)良等特點。產(chǎn)品額定輸入電壓為600V，額定功率1W，在10℃~30℃環(huán)境溫度及濕度≤80%的條件下能保持穩(wěn)定工作。內(nèi)部采用開關(guān)轉(zhuǎn)換結(jié)構(gòu)，操作簡便，外形尺寸為260×195×130mm，重量約3kg。該設(shè)備適用于科研實驗、工業(yè)檢測等需要高精度直流電壓測量的場合。126
FJ31 DC Voltage Divider Product Description
The FJ31 DC voltage divider is a precision measurement instrument based on the principle of resistive voltage division, primarily used to extend the measurement range of DC potentiometers or serve as a voltage divider in DC circuits within rated voltage limits. Featuring a fixed-resistance input structure, it achieves voltage ratio conversion through precision wire-wound resistor chains, offering four selectable ratios: ×10, ×100, ×200, and ×500. The device incorporates high-quality resistance alloy materials manufactured with traditional techniques, demonstrating notable characteristics including operational reliability, minimal temperature drift, and excellent heat dissipation. With a rated input voltage of 600V and power consumption of 1W, it maintains stable performance under environmental conditions of 10℃~30℃ and humidity ≤80%. The switch-based conversion mechanism ensures user-friendly operation, housed in a compact 260×195×130mm enclosure weighing approximately 3kg. This equipment is suitable for scientific research and industrial applications requiring high-precision DC voltage measurements. 349
技術(shù)特點與優(yōu)勢
該產(chǎn)品采用多只精密電阻元件構(gòu)成串聯(lián)電路，通過優(yōu)化設(shè)計的線徑配置減小工作時的自熱效應(yīng)對精度的影響。分壓箱內(nèi)部布局合理，電阻元件采用特殊工藝處理，在連續(xù)工作狀態(tài)下仍能保持較低的溫升。產(chǎn)品提供輔助支路設(shè)計，可根據(jù)實際需求通過串聯(lián)方式靈活組合不同參數(shù)，擴(kuò)展應(yīng)用場景。其金屬電阻線具有較小的溫度系數(shù)，配合科學(xué)的散熱結(jié)構(gòu)設(shè)計，使設(shè)備在長時間工作時仍能維持穩(wěn)定的分壓精度。51113
Application Scenarios
This device finds extensive applications in laboratory voltage calibration, industrial process control systems, and precision electrical measurement fields. Its voltage division function allows accurate measurement of high-voltage DC signals when connected to potentiometers, while the modular design enables flexible adaptation to various measurement scenarios. The product is particularly valuable for educational demonstrations in university physics experiments, quality inspection processes in power equipment manufacturing, and research activities in metrology institutions. The durable construction and stable performance make it suitable for both short-term precise measurements and long-term monitoring tasks in controlled environments. 222628
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分 壓 箱 ( 用 于 擴(kuò) 展 電 位 差 計 的 量 程 )
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序號
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型號
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名 稱
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倍率范圍
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直流耐壓
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準(zhǔn)確度％
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儀器特點
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出廠價￥
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2-45
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FJ10
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直流分壓箱
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×10、×100、×200、×500四個倍率
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1000V
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0.02
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定阻輸入倍率端固定
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1000
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0.01
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1300
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2-46
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FJ12
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直流分壓箱
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×10、×100、×200、×500四個倍率
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600V
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0.02
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定阻輸入
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820
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2-47
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FJ31
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直流分壓箱
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分×10、×100、×200、×500四個倍率
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0.01
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開關(guān)旋轉(zhuǎn)式定阻輸入
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930
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