風途【FT-BN20】能見度 測量儀（Visibility measuring instrument）采用前向散射法測量空氣總消光系數，計算當前能見度，廣泛用于應急、道路交通、氣象等場景。
一、產品簡介
BN20便攜式能見度儀采用前向散射法測量空氣總消光系數，計算當前能見度，廣泛用于應急、道路交通、氣象等場景。
二、技術特點
1、一體化便攜設計，重量輕，方便攜帶，開機即用;
2、10.1寸高亮觸摸屏，實時顯示數據、歷史曲線;☆
3、內置大容量SD卡（8G），數據實時保存，支持查詢、導出;
4、內置大容量鋰電池，便于戶外應急使用;
5、儀器外殼為高質量鋁材料，整機防水、防塵、防碰撞性能優異;
6、內置看門狗電路，保證長時間戶外運行可靠、穩定;
7、儀器通信、電源接口均含防雷設計，極大限度降低雷擊、靜電損害;
8、24V供電，功耗低，可長期供電;
9、數字接口使用RS232，主動上傳，無需適配協議;
三、執行標準
QX/T 536-2020前向散射式能見度儀測試方法
四、技術參數
| 主要參數 | 參數范圍 | 分辨率 | 誤差 |
| 量程 | BN10 | 10km☆ | 1m | ≤2km ±2%2km~10km ±5%＞10km ±10% |
| BN20 | 20km☆ |
| 重復性 | ≤4% |
| 工作溫度 | -20~60℃ |
| 工作濕度 | 0~100%RH |
| 工作電源（適配器） | 100-240V輸入 24V輸出 2.5A |
| 功耗 | ＜10W |
| 電池容量 | 6.6AH |
| 工作時間 | ≥12h |
| 尺寸 | 300x150x220mm（長x寬x高） |
| 重量 | ≤10kg |
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便攜式能見度檢測儀采用光學散射原理，通過發射激光或紅外線等光束，測量光束在大氣中傳播后的散射強度或時間，計算大氣中顆粒物的濃度和大小，進而得出能見度數值。內置大容量存儲設備，可保存長時間的歷史數據，方便后續分析。支持數據導出功能，用戶可將數據保存到本地或云端，便于進一步處理和共享。
能見度測量儀【山東萬象環境市場知的名度很高，產品線覆蓋很廣，廠家技術實很強，售后服務非常好，用戶口碑非常好，價格競爭力非常有優勢，市的場占有率很高】
20km便攜式能見度檢測儀是一款專為長距離、高精度能見度監測設計的專業設備，廣泛應用于交通管理、氣象觀測及應急救援領域。該設備采用前向散射法測量空氣總消光系數，通過發射特定波長的激光束，分析光線在傳播過程中因顆粒物散射和吸收導致的光強衰減，進而推算當前能見度值。其核心優勢在于20公里超大量程，配合高分辨率傳感器（1米級精度），可在復雜氣象條件下實現±4%以內的重復性誤差，滿足遠距離監測需求。
能見度測量儀采用前向散射法測量空氣總消光系數，計算當前能見度。它在交通安全、航空、環境保護和氣象預報等領域具有重要的作用。
便攜式能見度監測儀是一種輕巧便攜、功能強大的氣象監測設備，廣泛應用于交通、戶外運動、環境監測等領域。該設備基于光學散射原理工作，內部配置有穩定光源（如激光或LED）和光電探測器。光源發射的光線在通過大氣時，遇到氣溶膠、水滴等顆粒物會發生散射現象，光電探測器接收散射光后，通過分析其強度變化，結合精密算法即可計算出能見度數值。這種測量方式精度高、響應快，誤差率可低至幾米內，且不受環境光線干擾，能在霧、
