Dwyer AFH2型风量罩
- 公司名称 北京朗润达科贸有限公司
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- 更新时间 2017/12/19 15:17:37
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朗润达公司提供的产品类型为差压表、压力表、差压开关、压力开关、差压变送器、压力变送器、流量计、流量开关、流量监视、流量变送器、质量流量计、质量流量控制器、液位开关、液位变送器、风速变送器、手持式风速计、皮托管，温湿度计、温度开关、温度数据记录、测试仪器、数据记录仪、阀门等三千多种产品,它们广泛应用于工业自动化、暖通空调、楼宇自控、电厂、石油、化工、水处理，锅炉、压缩机、冷冻制冷设备、食品、医药、轻工业、环保、洁净工程、微电子、半导体和集成电路、真空、镀膜、科学实验仪器、实验室、等领域。
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Dwyer AFH2型风量罩
用于监测进排风口，通风装置等的风量。它平均测量值可以以各种工程单位显示风量，还能手动记录在一定时间段的测量值。它采用数字显示，测量精度高，可设置为每隔一定的时间自动较零。风罩都配备有磁性安装件，拆卸和组装都非常方便。另外还带有电池低电量报警，以避免测量不准确。它重量轻，可靠耐用，全部都可装在可携带的旅行箱内。
Dwyer AFH2型风量罩
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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