Rosemount™ 5900C Radar Level Gauge

The Rosemount 5900C Radar Level Gauge provides ± 3 mm (0.12 in.) instrument accuracy. It is normally combined with high precision multiple spot temperature sensors for net volume calculations. It is SIL 2 certified according to IEC 61508

Measurement principle	FMCW (Frequency Modulated Continuous Wave)
Instrument accuracy	± 3 mm (0.12 in.)
Fieldbus (standard)	FOUNDATION Fieldbus FISCO (Tankbus)
Repeatability	0.2 mm (0.008 in.)
Output variables and units	Level, and ullage: meter, centimeter, millimeter, feet, or incLevel rate: meter/second, meter/hour, feet/second, feet/hour, inch/minuteSignal strength: mV
Antennas	Parabolic, Cone, Still-pipe array, LPG/LNG, 1-in./2-in. still-pipe
Operating temperature in tank	Max. +230 °C (+445 °F)
Measuring range	0.8 to 30 m (2.6 to 100 ft.) below flange.
Pressure range	Clamped/threaded: -0.2 to 0.2 bar (-2.9 to 2.9 psig) Welded: -0.2 to 10 bar (-2.9 to 145 psig)