Piusi OCIO 230v electronic tank level monitor with 10 m tubePiusi F0075510D OCIO 230v electronic tank level monitor Tank level indicator OCIO LV with RS output 230v 50 Hz 20 watt Features: low high level alarms fluid measure indication built in display RS type exit available probe tube to 50 m length for up to 4 m tank height accuracy to 1% fluid viscosity to 30 CST Includes: OCOIO unit, probe, 10 m tube and instruction manual Materials: brass probe Tehno Polymer tube Description: suitable for most fluid types