If you have an older Gobius for water / fuel or for your waste tank, you can easily do this. Your panel, panel cable and DC cable remain installed in the boat. You can easily connect an analog instrument (eg Wema or VDO). outputs; 10-180 Ohm, 240-33 Ohm, 4-20 mA and 0-5 Volts.
Included: 1 Control unit, 3 Sensors (1 m cable length), 1 3M tissue, 1 additional sensor tape, 1 Velcro band, and English instructions.
NOTE: You need to mail us a photo on your old Control Unit before we send you this upgrade.