【產品中文介紹】
SF2678A數字接地電阻測試儀是一款專業級電氣安全檢測設備，專為電力系統、通信基站、工業設施及建筑接地工程等領域設計，可高效完成接地系統性能評估與維護工作。本設備采用數字信號處理技術，結合智能化操作設計，可在復雜環境下提供穩定、可靠的接地電阻測量服務。
設備核心搭載30A大電流輸出模塊，有效突破傳統測試儀在復雜土壤環境中的測量局限，顯著提升抗干擾能力。0-20Ω寬量程覆蓋滿足不同接地場景需求，最小分辨率達到0.001Ω，確保細微電阻變化的精準捕捉。配備6.5英寸高清液晶顯示屏，支持實時數據曲線顯示與測量值保持功能，便于現場人員快速讀取與分析數據。
整機結構采用工業級防護設計，具備IP54防塵防水等級，可在-20℃至50℃寬溫域環境下穩定運行。獨特的三線/四線制測量模式自動識別功能，簡化了操作流程，配合智能報警系統，可自動提示接線異�；虺迶抵�，有效保障作業安全。內置高容量鋰電池組支持連續8小時高強度工作，搭配便攜式手提箱設計，特別適合野外移動作業需求。
【Product Introduction in English】
The SF2678A Digital Ground Resistance Tester is a professional-grade electrical safety inspection device developed for power systems, communication base stations, industrial facilities, and building grounding projects. It delivers efficient performance evaluation and maintenance services for grounding systems through advanced digital signal processing technology and intelligent operation design.
Equipped with a 30A high-current output module, this instrument effectively overcomes measurement limitations in complex soil environments, significantly enhancing anti-interference capabilities. The wide measurement range of 0-20Ω with 0.001Ω resolution ensures precise detection of subtle resistance variations. The 6.5-inch high-definition LCD screen displays real-time data curves and supports measurement value hold function, enabling rapid on-site data interpretation.
Featuring industrial-grade protection (IP54 rating), the device operates reliably within -20℃ to 50℃ temperature range. Its auto-recognition function for three-wire/four-wire measurement modes simplifies operation procedures, while the intelligent alarm system promptly indicates wiring anomalies or out-of-limit values, ensuring operational safety. The built-in high-capacity lithium battery supports 8 hours of continuous operation, combined with a portable carrying case design, making it ideal for field applications.
This instrument demonstrates excellent environmental adaptability, maintaining measurement accuracy even under strong electromagnetic interference. Its humanized interface design and multilingual menu options provide convenient operation experience for global users across diverse industries.
