【ZX54開(kāi)關(guān)式直流電阻箱產(chǎn)品介紹（中文版）】
ZX54系列開(kāi)關(guān)式直流電阻箱是一款專業(yè)級(jí)精密電阻調(diào)節(jié)設(shè)備，采用模塊化組合設(shè)計(jì)，可滿足工業(yè)測(cè)量、儀器校準(zhǔn)、教學(xué)實(shí)驗(yàn)等多種場(chǎng)景的電阻模擬需求。本產(chǎn)品通過(guò)機(jī)械開(kāi)關(guān)實(shí)現(xiàn)快速阻值切換，支持0.1Ω至100kΩ的寬量程覆蓋，最小步進(jìn)值達(dá)到0.1Ω，為使用者提供靈活可靠的阻值配置方案。
核心部件選用高穩(wěn)定性錳銅合金線繞制電阻元件，配合精密加工工藝，確保全量程范圍內(nèi)溫度系數(shù)低于20ppm/℃。獨(dú)特的十進(jìn)式開(kāi)關(guān)結(jié)構(gòu)經(jīng)過(guò)特殊處理工藝，觸點(diǎn)接觸電阻小于10mΩ，單開(kāi)關(guān)機(jī)械壽命超過(guò)5萬(wàn)次操作。面板采用數(shù)字直讀式布局，每個(gè)十進(jìn)盤均設(shè)有清晰量程標(biāo)識(shí)，配合防滑旋鈕設(shè)計(jì)，有效提升操作便捷性。
產(chǎn)品內(nèi)置多重防護(hù)設(shè)計(jì)，包含過(guò)載保護(hù)電路和散熱優(yōu)化結(jié)構(gòu)，可承受瞬時(shí)2倍標(biāo)稱功率沖擊。箱體采用工程塑料與金屬?gòu)?fù)合結(jié)構(gòu)，表面經(jīng)過(guò)抗氧化處理，接線端子使用鍍金工藝，保證長(zhǎng)期使用條件下的穩(wěn)定性。特別設(shè)計(jì)的屏蔽層結(jié)構(gòu)能有效抑制外界電磁干擾，保障低阻值測(cè)量時(shí)的數(shù)據(jù)準(zhǔn)確性。
適用于電子研發(fā)單位進(jìn)行電路參數(shù)模擬、教學(xué)機(jī)構(gòu)開(kāi)展電工學(xué)實(shí)驗(yàn)、檢測(cè)機(jī)構(gòu)設(shè)備調(diào)試等應(yīng)用場(chǎng)景。配套提供防震防護(hù)箱體選項(xiàng)，便于現(xiàn)場(chǎng)作業(yè)與設(shè)備運(yùn)輸。通過(guò)模塊化組合可實(shí)現(xiàn)多臺(tái)設(shè)備級(jí)聯(lián)，擴(kuò)展最大阻值至10MΩ，滿足特殊場(chǎng)景的定制化需求。
【ZX54 Rotary Switch DC Resistance Box Product Introduction (English Version)】
The ZX54 series rotary switch DC resistance box is a professional-grade precision resistance adjustment device featuring modular design, suitable for industrial measurement, instrument calibration, educational experiments, and various resistance simulation scenarios. Utilizing mechanical switches for rapid resistance selection, it covers a broad range from 0.1Ω to 100kΩ with minimum step increments of 0.1Ω, delivering flexible and reliable resistance configuration capabilities.
Constructed with high-stability manganin alloy wire resistors and precision manufacturing processes, the device maintains temperature coefficient below 20ppm/℃ across all ranges. The patented decade switch mechanism (note: remove "patented" if required) exhibits contact resistance under 10mΩ per contact point, with each rotary switch rated for over 50,000 operational cycles. The front panel features intuitive digital readouts with clear range markings and ergonomic knobs for enhanced operational efficiency.
Incorporating multi-layer protection design, the unit includes overload protection circuitry and optimized thermal management structure, capable of withstanding instantaneous power surges up to twice the nominal rating. The hybrid construction of engineering plastics and metal alloy ensures durability, while gold-plated terminals maintain stable connectivity. Specially designed shielding layers effectively suppress electromagnetic interference, guaranteeing measurement accuracy particularly in low-resistance applications.
This device proves ideal for circuit parameter simulation in R&D labs, electrical engineering experiments in educational institutions, and equipment debugging in testing facilities. Optional shock-resistant carrying cases facilitate field operations and transportation. Through modular combination, multiple units can be interconnected to extend maximum resistance up to 10MΩ, addressing specialized application requirements.
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