Quick view Victron Energy Victron GX Tank 140 Tank Monitoring f/4-20 MA, 1-10VDC Sensors - Monitors Up to 4 Sensors *Sensor Not Included GX Tank 140 Tank Monitoring for 4-20 MA, 1-10VDC Sensors - Monitors Up to 4 Sensors *Sensor Not IncludedThe GX Tank 140 takes readings from up to four tank level sensors. It is an accessory for our range of GX system monitoring products, of which the... Now: $108.57 MSRP: Was: Add to Cart