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      產品中心 > DWYER > Dwyer AFH2型風量罩

      Dwyer AFH2型風量罩

      AFH2型 風量罩用于監測進排風口,通風裝置等的風量。它平均測量值可以以各種工程單位顯示風量,還能手動記錄在一定時間段的測量值。它采用數字顯示,測量精度高,可設置為每隔一定的時間自動較零。風罩都配備有磁性安裝件,拆卸和組裝都非常方便。另外還帶有電池低電量報警,以避免測量不準確。它重量輕,可靠耐用,全部都可裝在可攜帶的旅行箱內。

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      Service: Air.

      Volume Flow Rate Units: CFM, L/S, M3/Hr.

      Volume Flow Ranges: 

      Supply: CFM: 41 To 1176; L/S: 19 To 555; M3/Hr: 69 To 2000; 

      Exhaust: CFM: 45 To 1176; L/S: 21 To 555; M3/Hr: 76 To 2000.

      Volume Flow Ranges With Low Flow Kit: 

      Supply: CFM: 25 To 1176; L/S: 12 To 555; M3/Hr: 43 To 2000; 

      Exhaust: CFM: 29 To 1176; L/S: 14 To 555; M3/Hr: 49 To 2000.

      Accuracy @ 20°C (68°F): 

      Supply: ±3% Of Reading ±9 CFM (±4 L/S, 14 M3/Hr); 

      Exhaust: ±3% Of Reading ±9 CFM (±4 L/S, 14 M3/Hr).

      Span Stability V. Temperature: Better Than 0.1% Of Range In Use Per 2°F (1°C).

      Zero System Accuracy: ±1 Count (±0.05 Pascal Typical; ±0.0002 In W.C.).

      Temperature Limits: 

      Operating: 32 To 122°F (0 To 50°C); 

      Storage: 23 To 122°F (-5 To 50°C).

      Thermal Effect: ±0.1% Of Range In Use Per 2°F (1°C).

      Zero Drift: Negligible Due To Auto Zero System. When Auto Zero Set At 30 Second Intervals (2 Minute Warm Up).

      Orientation Effect: Any 45 Degree Change 0.0004 In W.C. (0.1 Pascal) Typical.

      System Air Leak: 0.366 In3/Hr (0.1 Ml/Min) @ 20 In W.C. (5 KPa) Typical.

      Maximum Differential Pressure: 60 In W.C. (15 KPa).

      Auto Ranging Display: 0.375" High Digits.

      Resolution: 1 CFM, 1 L/S, 1 M3/Hr.

      Output: RS-232 Serial Interface (Baud Rate 9600).

      Memory Capability: 2500 Readings In Any Engineering Unit.

      Power Requirements: 8.4 V NiMH Battery, Installed Functional, User Replaceable
      (Optional 9 V Alkaline Battery May Be Used 
      In Place Of Rechargeable).

      Dimensions: 30" X 24" X 24" (965 X 610 X 610 Mm). Hood Only: 2' X 2' (600 Mm X 600 Mm).

      Weight: 8.8 Lb (4 Kg).

      Agency Approval: CE.


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