【ZX74J十進(jìn)電阻箱 產(chǎn)品介紹】
ZX74J十進(jìn)電阻箱是一款專(zhuān)為電子電路調(diào)試、教學(xué)實(shí)驗(yàn)及工業(yè)測(cè)量設(shè)計(jì)的精密可調(diào)電阻設(shè)備。該產(chǎn)品通過(guò)機(jī)械式十進(jìn)制旋鈕結(jié)構(gòu)，提供0.1Ω至10kΩ的寬范圍電阻值調(diào)節(jié)能力，支持精確到0.1Ω的步進(jìn)調(diào)節(jié)，滿足多樣化場(chǎng)景下的電阻模擬需求。模塊化設(shè)計(jì)搭配緊湊的金屬外殼，兼顧設(shè)備耐用性與操作便捷性，適用于實(shí)驗(yàn)室、科研院所及電子制造領(lǐng)域。
核心特點(diǎn)：
- 高穩(wěn)定性設(shè)計(jì)：采用氧化膜電阻元件與鍍金接觸片組合，接觸電阻低于0.01Ω，在-10℃至+50℃環(huán)境下保持±0.5%的阻值精度。特殊防塵結(jié)構(gòu)有效降低環(huán)境粉塵對(duì)內(nèi)部元件的影響。
- 人性化操作界面：八組獨(dú)立十進(jìn)制旋鈕采用雙色刻度標(biāo)識(shí)，支持順時(shí)針/逆時(shí)針雙向調(diào)節(jié)。旋鈕扭矩經(jīng)過(guò)優(yōu)化設(shè)計(jì)，確保調(diào)節(jié)手感順滑且定位準(zhǔn)確。
- 多場(chǎng)景兼容：配備4mm香蕉插座與接線柱雙重接口，支持并聯(lián)/串聯(lián)擴(kuò)展連接。最大允許功率2W（單組），瞬時(shí)過(guò)載耐受能力達(dá)5W/3秒。
- 維護(hù)便捷結(jié)構(gòu)：可拆卸式面板設(shè)計(jì)便于內(nèi)部清潔保養(yǎng)，所有調(diào)節(jié)單元采用模塊化布局，支持快速故障診斷與部件更換。
應(yīng)用領(lǐng)域：
• 教育實(shí)訓(xùn)：電子工程教學(xué)中的歐姆定律驗(yàn)證、分壓電路搭建
• 設(shè)備校準(zhǔn)：作為基準(zhǔn)電阻源用于萬(wàn)用表、LCR測(cè)試儀校準(zhǔn)
• 工業(yè)調(diào)試：PLC控制系統(tǒng)模擬負(fù)載測(cè)試、傳感器信號(hào)模擬
• 科研實(shí)驗(yàn)：精密儀器研發(fā)階段的電路特性分析
本產(chǎn)品通過(guò)嚴(yán)格的生產(chǎn)工藝控制與全流程老化測(cè)試，出廠前完成多級(jí)精度驗(yàn)證。主體結(jié)構(gòu)采用鋁合金框架與ABS阻燃面板組合，凈重1.8kg，工作濕度范圍30%~80%RH。配套防震防護(hù)箱體可選，為移動(dòng)工作場(chǎng)景提供額外保護(hù)。
【ZX-74J Decade Resistance Box Product Introduction】
The ZX-74J Decade Resistance Box is a precision adjustable resistance device developed for electronic circuit debugging, educational experiments, and industrial measurement applications. Featuring a mechanical decade switching system, it delivers adjustable resistance from 0.1Ω to 10kΩ with 0.1Ω resolution, providing reliable resistance simulation for diverse operational scenarios. The compact metal housing with modular design ensures both durability and operational efficiency, making it ideal for laboratories, research institutions, and electronics manufacturing environments.
Key Features:
- Enhanced Stability: Combines metal oxide resistors with gold-plated contacts, maintaining contact resistance below 0.01Ω. Achieves ±0.5% resistance accuracy across -10℃ to +50℃ with optimized thermal compensation.
- Ergonomic Interface: Eight independent decade dials with bidirectional color-coded scales enable intuitive operation. Precision-engineered rotational torque ensures smooth adjustment and positive detent positioning.
- Multi-application Compatibility: Dual 4mm banana jacks and terminal posts support parallel/series configurations. Each decade section withstands 2W continuous power with 5W/3sec surge capacity.
- Service-Friendly Construction: Removable front panel facilitates internal maintenance, while modular component layout simplifies troubleshooting and part replacement.
Typical Applications:
• Education: Circuit theory demonstrations, voltage divider experiments
• Instrument Calibration: Reference resistance source for multimeters/LCR meters
• Industrial Testing: PLC control system simulation, sensor signal emulation
• Research Development: Circuit characterization during prototype development
Manufactured under rigorous quality control, each unit undergoes multi-stage precision verification and aging tests. The aluminum alloy frame with ABS flame-retardant panels weighs 1.8kg, operating within 30%-80% RH humidity range. Optional shockproof carrying case enhances protection for field applications.
（中英文合計(jì)約620字）
