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ExReg HVAC Control Systems. The ExReg controller system has been designed for use in Ex areas for all gases, mists, vapours and dust. In combination with Ex-actuators it is a closed loop control system for volume flow control (VAV, CAV), pressure, temperature and humidity. Operating temperature range -20 to 50 oC (-4 to 122 oF) Measurement differential pressure range 0 Pa to 300 Pa Measurement temp. range -40 to +125 °C (-40 to 257 oF) Measurement humidity range 0 to 95% rH Stainless steel housing (option) ATEX 94/9/EC, zone 1, 2, 21, 22 cert + others Watertight IP66 rating, integrated junction box Integral PID loop Pre-defined parameter sets for the most common control tasks Can be configured on site in the hazardous location
