Supply voltage - 230V – 50 Hz / 110V (on request) Protection class - IP55 Full scale - 4 m. Accuracy - ± 1% full scale Contact - 2 SPDT alarms Switch rating - 5A / 250Vac or 5A / 30Vcc Tube lengthLevel indication - 10 m. (standard) / On request, up to 50 m.Height (mm – inches)Volume (liters – gallons)Filling percentage (%) Fluid viscosity - FUEL execution – max 30 cSt OIL execution – max 2000 cSt