Blue Sea Tank meter

Accurate - used with the Vessel Systems Monitor VSM 422 PN 1800 - can be precisely calibrated for each tank*Reliable - SSI Technologies, Inc. Fluid-Trac® is non-contacting eliminating any mechanical moving parts that can wear and cause intermittent or complete signal lossDigital filtering - Eliminates errors due to liquids sloshing in mobile tanksLimitations and considerations for mounting the ultrasonic tank senders:Senders are calibrated to the VSM 422 and M2 Meters and will not function