【ZX21F旋轉(zhuǎn)式電阻箱產(chǎn)品介紹】
ZX21F旋轉(zhuǎn)式電阻箱是一款專為電子電路調(diào)試、教學(xué)實(shí)驗(yàn)及科研測量設(shè)計(jì)的精密電阻調(diào)節(jié)設(shè)備。其采用模塊化組合設(shè)計(jì)，通過旋轉(zhuǎn)開關(guān)實(shí)現(xiàn)多檔位電阻值的靈活選擇，滿足用戶對(duì)電路阻抗的精確控制需求。產(chǎn)品以可靠性和實(shí)用性為核心，適用于直流或低頻交流電路環(huán)境，能夠?yàn)殡娮釉O(shè)備校準(zhǔn)、信號(hào)模擬、電路特性分析等場景提供穩(wěn)定的電阻支持。
設(shè)備主體由高穩(wěn)定性合金電阻絲與耐磨損接觸結(jié)構(gòu)組成，確保電阻值的長期穩(wěn)定輸出。每個(gè)獨(dú)立檔位均采用全密封防護(hù)設(shè)計(jì)，有效降低環(huán)境濕度與粉塵對(duì)內(nèi)部元件的影響。旋轉(zhuǎn)開關(guān)配備精密限位裝置，操作手感清晰順滑，有效避免因誤觸導(dǎo)致的檔位偏移問題。電阻箱支持多級(jí)串聯(lián)組合使用，用戶可根據(jù)實(shí)際需求擴(kuò)展調(diào)節(jié)范圍，提升設(shè)備使用靈活性。
ZX21F在結(jié)構(gòu)設(shè)計(jì)中特別注重接觸可靠性與散熱性能優(yōu)化。大尺寸黃銅接線柱采用鍍金工藝處理，顯著降低接觸電阻并提升電流承載能力，適用于最大工作電流2A的測試環(huán)境。內(nèi)部電阻網(wǎng)絡(luò)通過特殊排布設(shè)計(jì)，配合鋁合金外殼的輔助散熱功能，確保長時(shí)間連續(xù)工作的溫升控制在安全范圍內(nèi)。透明觀察窗設(shè)計(jì)方便用戶快速確認(rèn)當(dāng)前檔位狀態(tài)，提升操作效率。
該產(chǎn)品廣泛應(yīng)用于高等院校電子實(shí)驗(yàn)室、工業(yè)設(shè)備研發(fā)中心、通信設(shè)備維護(hù)等領(lǐng)域。典型應(yīng)用場景包括：電子元器件特性測試中的負(fù)載模擬、自動(dòng)化設(shè)備控制電路的參數(shù)調(diào)試、電力系統(tǒng)繼電保護(hù)裝置的功能驗(yàn)證等。通過直觀的旋鈕調(diào)節(jié)與清晰的刻度標(biāo)識(shí)，用戶可快速完成0.1Ω至100kΩ范圍的電阻設(shè)定，調(diào)節(jié)精度達(dá)到±0.5%±0.05Ω。
產(chǎn)品參數(shù)：
- 總調(diào)節(jié)范圍：0~111,110.0Ω
- 最小步進(jìn)值：0.1Ω
- 最大承載功率：0.5W/檔位
- 工作溫度：-10℃~+50℃
- 外形尺寸：220×180×120mm
- 凈重：約2.3kg
【ZX21F Rotary Resistance Box Product Introduction】
The ZX21F Rotary Resistance Box is a precision resistance adjustment instrument designed for electronic circuit debugging, teaching experiments, and scientific research applications. Featuring modular construction with multi-position rotary switches, it enables flexible resistance selection across a wide range, providing accurate impedance control for DC or low-frequency AC circuits. This device excels in scenarios requiring stable resistance output, such as equipment calibration, signal simulation, and circuit characteristic analysis.
Constructed with high-stability alloy resistance wires and wear-resistant contacts, the device maintains long-term measurement stability. Each independent position incorporates sealed protection to minimize environmental interference. The precision-locked rotary switch delivers clear tactile feedback, effectively preventing accidental position shifts. The box supports cascading configurations, allowing users to extend the adjustment range according to specific application requirements.
Optimized contact reliability and thermal management define the ZX21F s design. Gold-plated brass terminals reduce contact resistance while enhancing current-carrying capacity, supporting up to 2A continuous current. The internally arranged resistance network, combined with the aluminum alloy housing s heat dissipation properties, ensures safe temperature levels during prolonged operation. A transparent viewing window enables instant verification of current settings, improving operational efficiency.
This product serves diverse applications in university electronics labs, industrial R&D centers, and communication equipment maintenance. Typical use cases include load simulation for component testing, parameter optimization in control systems, and functional verification of power protection devices. With intuitive rotary controls and clear scale markings, users can quickly set resistances from 0.1Ω to 100kΩ, achieving adjustment accuracy of ±0.5%±0.05Ω.
Technical Specifications:
- Total Range: 0~111,110.0Ω
- Minimum Step: 0.1Ω
- Maximum Power: 0.5W/position
- Operating Temperature: -10℃~+50℃
- Dimensions: 220×180×120mm
- Net Weight: 2.3kg
