Boiler level controller NRR 2-52, NRR 2-53

Continuous water level controller with variable switchpoints NRR 2-52 and NRR 2-53 Kontinuierliche Wasserstandregler mit variablen Schaltpunkten These closed-loop controllers use both capacitance probes and level transmitters from the SPECTORcompact line, and feature a modulating control output for pneumatic valves. The unit is optionally available as a three-component controller. Navigation is easy, voice-free and menu-guided via the separate, prominent URB 50 touch panel. In addition to set points and actual values, trend values, error messages and limit values are displayed. 100% measuring range adjustment is possible from a water level of 25% or more.