A steam purity monitor (10) detects the presence of sodium hydroxide and sodium chloride in a steam turbine (12). In the steam purity monitor (10), a control unit (18) is connected to a sensor unit (14) in the steam turbine (12) which has a conductance sensor (30), pressure sensor (34) and temperature...http://www.google.com.au/patents/US5353628?utm_source=gb-gplus-sharePatent US5353628 - Steam purity monitor
