The Rosemount 3408 Level Transmitter is an 80 GHz FMCW radar-based, non-contacting level sensor for liquids and solids, designed for reliable, maintenance-free measurement even in harsh or remote industrial environments. The 3408 supports wireless communication and offers flexible installation without the need for wiring or power cabling. It is ideal for use in water and wastewater treatment, chemical storage, oil and gas, utility tanks, and industrial storage vessels.
With its advanced radar technology and optional WirelessHART connectivity, the 3408 provides continuous, accurate level data while minimizing downtime and maintenance costs. It offers robust performance in challenging conditions including vapors, dust, turbulence, sludge, and corrosive media, making it a versatile choice for a wide range of process applications.
| Parameter | Specification |
|---|---|
| Measurement Principle | 80 GHz FMCW radar |
| Measurement Range | up to 98 ft (30 m) for standard; 49 ft (15 m) for IEC 61508 certified version |
| Accuracy | Standard ±0.08 in (±2 mm); Ultra accuracy ±0.04 in (±1 mm) |
| Operating Pressure | –15 to 363 psig (–1 to 25 bar) |
| Operating Temperature Range | –76 to 392 °F (–60 to 200 °C) |
| Power Supply | 12–35 VDC (30 VDC in intrinsically safe installations) |
| Communication Protocols | 4–20 mA HART7® standard; optional Bluetooth® or WirelessHART® |
| Certifications & Safety | ATEX/UKEX, IECEx, IEC 61508 certified to SIL 2 (SIL 3 capable) |
| Antenna Types | Process-seal antenna, Lens antenna, ATAP lens antenna (for narrow nozzles or small fittings) |
| Diagnostics & Smart Features | Smart Echo Supervision, Smart Diagnostics Suite, Smart Meter Verification, on-board data historian, remote proof-testing, signal quality metrics |
