Description
Product Description
The Rosemount 5900C Radar Level Gauge provides ± 1mm (0.04 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.

| Specification | Details |
|---|---|
| Accuracy | ± 1mm (0.04 in.), ± 2mm (0.08 in.) |
| Stability | Typically < ± 0.5 mm (0.020 in.) in -40 to +70 °C (-40 to +158 °F). |
| Update Rate | New measurement every 0.3 second. |
| Communication Protocol | Foundation™ Fieldbus for connection to Rosemount 2410 with self-configuring Tankbus or any Foundation™ Fieldbus host system. A Rosemount 5900 level gauge in combination with a 2410 Tank Hub enables wireless communication and emulation of gauges from other manufacturers. |
| Safety | • SIL 2 certified. • TÜV tested and WHG approved for overfill prevention. |
| Emulation Capability | Possible to integrate with legacy tank gauging systems. |
| Power Supply | • FISCO: 9.0 – 17.5 VDC polarity insensitive (for example from 2410 Tank Hub). • Entity: 9.0 – 30.0 VDC polarity insensitive. |
| Ambient Temperature | -40 to +70 °C (-40 to +158 °F). Minimum start-up temperature is -50 °C (-58 °F). |
| Antenna Type | Parabolic antenna, still-pipe array antenna, cone antenna, LPG/LNG antenna, 1- and 2-in. still-pipe antennas. |
Features
- Get highest reliability for asset management of bulk liquid storage.
- Achieve higher safety with third party certified IEC 61508 SIL 2 capability.
- Benefit from convenient and safe installation with two-wire IS bus power supply.
- Include wired and/or wireless data transmission.
- Measure in all bulk storage tank types and products, ranging from liquefied gases, light products, crude oil and bitumen.
The Rosemount 5900C radar level transmitter delivers industrial-grade precision (±1mm accuracy) and SIL 2-certified safety for critical storage applications in oil & gas, chemicals, and LNG. Its Foundation Fieldbus/WirelessHART compatibility enables seamless integration with existing control systems, while patented antenna designs ensure reliable performance in challenging conditions (foam, vapor, extreme temperatures). The device reduces total cost of ownership through minimal maintenance requirements, legacy system emulation capabilities, and optional wireless connectivity via Rosemount 2410 Tank Hub – making it particularly valuable for large-scale tank farms requiring hazardous area certification (ATEX/IECEx) and overfill prevention compliance.

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