Outstanding functions such as 3 point calibration, up to 99 data storage, RS232 interface, separate reference electrode input, mV/ORP measuring mode and a self-test are combined with useful features such as automated endpoint recognition and calibration with automated buffer recognition.            Five self-explanatory buttons for simply starting and ending a measurement or for accessing the latest calibration data at the press of a button makes operating this instrument so intuitive.            A big, well organized display that can simultaneously show readings, temperature, endpoint criteria and various helpful icons, additionally facilitates rapid measurement and calibration. Easy!            Useful accessories such as a laminated quick guide are enclosed with every FiveEasy Plus™. Besides the robust LE438 plastic electrode, the kit version also comes with a handy electrode arm.            This instrument is distinguished by its ergonomic and compact design and excellent value for money. Our entry-level instruments naturally come with METTLER TOLEDO quality for reliable measurements and are backed by over 60 years of METTLER TOLEDO sensor know-how.