簡介
測量空氣和無腐蝕性氣體的壓差，用于暖通空調(diào)系統(tǒng)中對于精度和質(zhì)量要求較高的場合
應(yīng)用范圍
· 測量通風和空調(diào)管道的微壓差
· 氣流監(jiān)測
· 監(jiān)測濾網(wǎng)和控制風機
· 實驗室、生產(chǎn)區(qū)域和潔凈室壓力監(jiān)控
· 測量 VAV 系統(tǒng)送排風側(cè)變風量
典型應(yīng)用：
① 測量風管相對于周邊環(huán)境的高壓或低壓狀況
② 測量不同房間的壓差
③ 獲取VAV中送回風的變風量值
④ 監(jiān)測過濾器并控制風機
特點
·高精度測量
·可調(diào)特性曲線（線性或平方根）
·工作電壓: QBM3020-..:AC 24 V / DC 13.5…33 V
QBM3120-..:DC 8...33V
·輸出信號: QBM3020-..:DC 0...10 V
QBM3120-..:4…20 mA
·零點可校準
·外殼集成支架，可簡單快速安裝
·長期穩(wěn)定性，免維護
·帶校準和溫度補償?shù)臏y量信號
·供貨時提供塑料管
·非常短的響應(yīng)時間
·實際測量值顯示*
型號概覽
型號  壓力測量范圍
標準 終值可設(shè)定  輸出信號
QBM3020-1U -50...+50Pa ±(30..50)Pa 0..10V DC
QBM3020-1 0...100Pa 50...100Pa 0..10V DC
QBM3020-3 0...300Pa 100...300Pa 0..10V DC
QBM3020-5 0...500Pa 300...500Pa 0..10V DC
QBM3020-10 0...1000Pa 500...1000Pa 0..10V DC
QBM3020-25 0...2500Pa 1600...2500Pa 0..10V DC
QBM3020-1D 0...100Pa 50...100Pa 0..10V DC
QBM3020-3D 0...300Pa 100...300Pa 0..10V DC
QBM3020-5D 0...500Pa 300...500Pa 0..10V DC
QBM3020-10D 0...1000Pa 500...1000Pa 0..10V DC
QBM3020-25D 0...2500Pa 1600...2500Pa 0..10V DC
QBM3120-1U -50...+50Pa ±(30..50)Pa 4...20mA
QBM3120-1 0...100Pa 50...100Pa 4...20mA
QBM3120-3 0...300Pa 100...300Pa 4...20mA
QBM3120-5 0...500Pa 300...500Pa 4...20mA
QBM3120-10 0...1000Pa 500...1000Pa 4...20mA
QBM3120-25 0...2500Pa 1600...2500Pa 4...20mA
QBM3120-1D 0...100Pa 50...100Pa 4...20mA
QBM3120-3D 0...300Pa 100...300Pa 4...20mA
QBM3120-5D 0...500Pa 300...500Pa 4...20mA
QBM3120-10D 0...1000Pa 500...1000Pa 4...20mA
QBM3120-25D 0...2500Pa 1600...2500Pa 4...20mA