• Highest accuracy for inventory and custody transfer on tanks with liquiefied gas
• Antenna installed in 100 mm (4 in.) still-pipe, ensuring a strong echo even under surface boiling and turbulent conditions 
• Non-contacting, making it virtually unaffected by process conditions
• No moving parts, means little or no maintenance
• TÜV-tested and approved for overfill protection according to WHG regulations
• Uniquely SIL 2 and SIL 3 certified by Exida according to IEC 61508-2 and 61508-3
• Possible to have redundant level device (2-in-1 gauge)

General Technical Data 5900S

Instrument accuracy:
± 0.5 mm (0.020 in.)
Operating temperature at ball valve:
-55 to 90 °C (-67 to 194 °F)
Operating temperature in tank:
-170 to 90 °C (-274 to 194 °F)
Measuring range:
1.2 m to 30 m (3.9 to 100 ft) below flange
Possibility to measure 0.8 to 60 m (2.6 to 200 ft). Accuracy may be reduced
For longer measuring range, please consult your Rosemount Tank Gauging representative
Pressure range:
-1 to 25 bar (-14.5 to 365 psig)
Note! Flanges may have higher pressure rating than 25 bar, but maximum tank pressure is still 25 bar
Pressure sensor:
Rosemount 2051. For more information see the 2051 Product Data Sheet (document number 00813-0100-4101)
Material exposed to tank atmosphere:
Antenna and flange: material corresponds to AISI 316/316L and EN 1.4401/1.4404
Sealing: Quartz and PTFE
Still-pipe dimension compatibility:
Antenna choices for 4-in. sch. 10, 4-in. sch 40, or 100 mm (99 mm inner diameter) still-pipe dimensions
Flange size and rating:

• 4 in. class 150/300
• 6 in. class 150/300
• 8 in. class 150/300