DESCRIPTION
The EE660 Airflow Sensor features advanced thin-film air velocity sensing technology, ensuring high accuracy and stability for low airspeed measurements down to 0.15 m/s (30 ft/min). Designed for HVAC, cleanrooms, and industrial airflow monitoring, it offers user-selectable measuring ranges and multiple output options, including 0-10V, 4-20mA, and Modbus RTU. The device is easily configurable via jumpers or software, making it ideal for precise airflow control applications.
TECHNICAL SPECIFICATIONS
MEASUREMENT PARAMETERS
Air Velocity Ranges (User Selectable):
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0...1 m/s (0...200 ft/min)
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0...1.5 m/s (0...300 ft/min)
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0...2 m/s (0...400 ft/min)
Accuracy at 20 °C (68 °F), 45% RH, 1013 hPa:
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0.15...1 m/s: ±(0.04 m/s + 2% of measured value)
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0.15...1.5 m/s: ±(0.05 m/s + 2% of measured value)
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0.15...2 m/s: ±(0.06 m/s + 2% of measured value)
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Response Time: User-selectable (typ. 4 sec or typ. 1 sec)
OUTPUT & CONNECTIVITY
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Analog Outputs: 0-10V and 4-20mA
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Digital Output: Modbus RTU (RS485)
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Power Supply: 24V AC/DC
APPLICATION AREAS
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HVAC & Ventilation System Monitoring
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Cleanroom & Laboratory Airflow Control
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Low Air Velocity Measurement
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Industrial Process Control
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