‌Testo 425 熱敏風速儀 產品介紹（中文）‌
Testo 425是一款專業(yè)級熱敏式風速測量儀器，專為精準測量空氣流速、溫度和風量而設計，適用于暖通空調（HVAC）系統(tǒng)調試、環(huán)境監(jiān)測、工業(yè)設備維護等多種場景。該設備采用熱敏探頭技術，結合智能算法，可實現(xiàn)快速響應和高精度測量，幫助用戶高效完成通風系統(tǒng)優(yōu)化、室內空氣質量評估等任務。

Testo 425的核心優(yōu)勢在于其便攜性和多功能性。儀器配備可伸縮探頭，支持0至20 m/s的風速測量范圍，分辨率達0.01 m/s，確保微小氣流的精準捕捉。同時，內置溫度傳感器可同步測量-20°C至+70°C的環(huán)境溫度，數(shù)據(jù)實時顯示于高對比度液晶屏，清晰易讀。用戶還可通過風量計算功能，結合輸入截面積參數(shù)，直接獲取體積流量值，簡化復雜場景下的數(shù)據(jù)分析流程。

儀器的人性化設計進一步提升了操作體驗。機身采用防滑材質，符合人體工學握持；探頭可通過磁性固定裝置吸附于金屬表面，解放雙手進行多點測量。內置數(shù)據(jù)存儲功能可記錄多達500組測量值，支持通過USB或藍牙（選配）傳輸至電腦或移動端，便于后續(xù)分析或生成報告。此外，低功耗設計和長續(xù)航電池保障了連續(xù)8小時以上的高強度使用需求。

Testo 425廣泛適用于樓宇通風系統(tǒng)檢測、潔凈室壓差監(jiān)控、工業(yè)排風效率評估等場景。其堅固外殼符合IP54防護等級，可應對粉塵、潮濕等復雜環(huán)境。搭配可選配件如延長軟管或三角支架，可進一步擴展測量場景，滿足多樣化需求。無論是技術人員現(xiàn)場調試，還是實驗室環(huán)境研究，Testo 425均能提供可靠數(shù)據(jù)支持，助力用戶提升工作效率。

‌Testo 425 Thermal Anemometer Product Introduction (English)‌
The Testo 425 is a professional-grade thermal anemometer designed for precise measurement of airflow velocity, temperature, and volume flow, ideal for HVAC system commissioning, environmental monitoring, and industrial equipment maintenance. Utilizing advanced thermal probe technology and intelligent algorithms, it delivers rapid response and high accuracy, empowering users to optimize ventilation systems and assess indoor air quality with efficiency.

The Testo 425 excels in portability and versatility. Equipped with an extendable probe, it covers a measurement range of 0 to 20 m/s with a resolution of 0.01 m/s, ensuring precise detection of subtle airflow variations. The integrated temperature sensor supports simultaneous measurements from -20°C to +70°C, with real-time data displayed on a high-contrast LCD screen for instant readability. The volume flow calculation feature further simplifies data analysis by automatically deriving flow rates based on user-input cross-sectional dimensions.

User-centric design enhances operational convenience. The ergonomic housing with anti-slip grip ensures comfortable handling during prolonged use, while the magnetic probe mount allows hands-free fixation on metal surfaces for multi-point measurements. With onboard memory storing up to 500 data sets, users can transfer readings via USB or optional Bluetooth to PCs or mobile devices for report generation. The long-lasting battery provides over 8 hours of continuous operation, meeting demanding field requirements.

Suitable for building ventilation inspections, cleanroom pressure monitoring, and industrial exhaust efficiency evaluations, the Testo 425 boasts a rugged IP54-rated housing resistant to dust and moisture. Optional accessories such as flexible hoses or tripods extend its applicability across diverse scenarios. Whether for on-site technician diagnostics or laboratory research, the Testo 425 delivers reliable data integrity, enabling professionals to achieve higher productivity and informed decision-making.