825-Bleed Air Controller

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Product Information

Technical Specifications

Multifunctional pressure controller with differential pressure or airflow measurement for building automation systems, specifically designed to control laboratory air pressure, supply and exhaust air systems. The 825 pressure controllers are engineered for building automation in the HVAC/R or laboratory industry. With the 825's built-in controller, you can control the constant pressure inside the duct or flow measurement of fans,VAV systems or dampers.

Technical features:

  • Control function - Exhaust air, Supply air duct pressure & Laboratory pressure
  • Measurement function - Air Pressure and Airflow volume transmitter
  • Wide range - Ranging between ±2500Pa (±7500Pa available upon request)
  • Various Outputs - 0(2) - 10V DC or 4 - 20mA outputs selection
  • Various Pressure Units - Pa, psi, inch WC, mmWC, mbar, kPa
  • Various Flow Units - m3/s, cmh, cfm & l/s
  • Outdoor ready - Supplied with IP enclossure
  • Zero Calibration - Via manual push button
  • Power supply - 230V AC Single phase direct termination to device


    Please ask for detailed catalog and O&M Manual at info@syannlab.com.