—A B B M E A S U R E M E N T A N D A N A LY T I C S | O P E R AT I N G I N S T R U C T I O NKM26Magnetic level gaugesMagnetic level gauge, MagWavedual chamber level system andexternal chamberInnovative magneticlevel gauge solutions—Magnetic level gauges IntroductionWith over 350,000 installations worldwide, theKM26 magnetic level gauge has provided customengineered solutions to liquid level applications inindustries such as: oil and gas, refinery, chemical,petrochemical, power generation and many more.The KM26 MLG has proven itself to be a safe,reliable, maintenance free solution for total and / orinterface level detection in toxic, corrosive, highpressure and high temperature processes.ABB offers the standard KM26 magnetic level gaugewith a chamber of virtually any non-magneticmaterial, extruded process connections, a customengineered float and all accessories with 316stainless steel construction.ABB also offers a dual chamber redundant levelsystem, which has a proven record of improvingfeedwater heater reliability in power plants aroundthe world. The MagWave combines a highly visiblemagnetic level indicator with the precise levelmeasurement of a guided wave radar transmitter.Redundant level control can be achieved by adding amagnetostrictive transmitter or switch to the floatchamber.