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RLE 152: Volume-flow controller, continuous

How energy efficiency is improved
Enables demand-led volume flow control for the optimisation of energy consumption in ventilation systems.

Areas of application
Exhaust air control in laboratory fume cupboards, as well as supply and exhaust air control in laboratory rooms and clean rooms. Hospital wards or operating theatres.

Properties

• Static differential pressure detection with capacitive measured value acquisition
• Can be used in areas with dirty or contaminated exhaust air
• Highly accurate measurement of differential pressures with measuring ranges up to 400 Pa
• Infinitely variable adjustment of measuring range for optimal adaptation to particular application
• Available in calibrated version for pharmaceutical applications
• Ideal combination is with RLE 150 F100 or NRT 300
• Fail-safe control in the case of critical applications

Technical description

• Power supply 24 V~
• Adjustable differential pressure measuring ranges
• 1...100 Pa
• 2...200 Pa
• 4...400 Pa
• PI control algorithm
• Output signal 0...10 V for
• Actual volume flow value
• Damper drive output signal
• Input signal 0...10 V for
• Remote setpoint adjustment
• Priority control via switch contacts
• Adjustable zero point