SIPAN 32 ANALYZER TWO-WIRE SYSTEM FOR THE MEASUREMENT OF DISSOLVED O2, MICROPROCESSOR-CONTROLLED, MEMBRANE KEYBOARD WITH MULTI- SEGMENT DISPLAY, MENU-BASED OPERATION, LOGBOOK, MANUAL ON CD (5 LANGUAGES), CONCENTRATION DISPLAY, TEMPERATURE COMPENSATION, DIAGNOSTIC SOFTWARE, 1 PARAMETER SET, POWER SUPPLY: 2 SIGNAL OUTPUTS WITH HART INTERFACE FIRST SIGNAL OUTPUT: 4 TO 20 MA SECOND SIGNAL OUTPUT: TEMPERATURE OR SWITCHING CONTACT FOR LIMIT OR CLEANING OR WARNING