Sensor Fuel Tank Sender 0-190 Ω, 500 mm Probe | 4BoatsSensor Fuel 0 190 tank sender for fuel and water tanks, with a 500 mm stainless steel probe designed for standard analogue gauges and common marine tank depths. Application fuel & water tanks Impedance 0 190 for standard analogue gauges Voltage compatible with 12 V and 24 V systems Probe length 500 mm (19. 7 in) Material stainless steel for corrosion resistance Fits common tank depths and standard wiring One sender unit with 500 mm (19. 7 in) probe.