WTW OxiTop-i 12, OxiTop -i measuring heads(blue/gray), menu-driven, 3 operating button, 12 pc/pak

12 OxiTop®-i measuring heads (6 x blue, 6 x gray), menu-driven, with backlit LCD graphic display, control LED, three operating buttons, for direct output of the BOD measured values on the display, volume preselection, measuring duration selectable (1 to 7 days ), Curve display, instantaneous value output