BOATRONIC MS: Measuring computer for measuring BOA-Control and BOA-Control IMS using ultrasonic sensors; directly displays DN, fluid handled, current flow rate and fluid temperature without prior input of valve travel; 4-key operation for all menu options, data transfer between BOATRONIC MS and customer's IT system via USB interface; self-checking and calibrating upon start-up; fluid data can be selected, with battery compartment for 4x1.5V AA MIGNON batteries (not included in scope of supply); automatic warning when voltage drops below the permissible minimum voltage (BAT); scope of supply includes magnetically attaching sensor set for measuring all BOA-Control globe valves. BOATRONIC MS-420: Measuring computer for permanent measurement set-ups with BOA-Control IMS using ultrasonic sensors; directly displays DN, fluid handled, current flow rate and fluid temperature; analog transmission (4-20 mA output signal) of current flow rate and fluid temperature, 4-key operation for all menu options, self-checking and calibrating upon start-up, fluid data can be selected, 24 V DC power supply.