The Rosemount 1408H is a hygienic level transmitter designed for food, beverage, and pharmaceutical applications, providing accurate measurement of both liquids and solids.
It holds 3-A®, FDA, EC 1935/2004, and EHEDG hygienic certifications to ensure compliance and product safety.

With a compact, polished stainless steel housing and compatibility with CIP and SIP cleaning processes, it minimizes contamination risk. Featuring Smart Echo Supervision™ technology, this hygienic level sensor delivers reliable, continuous level measurement for effective process control.​
  • 2-in flange
  • 3-in flange
  • 4-in flange
  • Antenna extension
  • D50 Weld Adapter
  • Mounting bracket
  • NPT adapter - 1½-in
  • NPT adapter - 2in
  • Rosemount™ 1408H Level Transmitter - Non-Contacting Radar
  • 2-in flange
  • 3-in flange
  • 4-in flange
  • Antenna extension
  • D50 Weld Adapter
  • Mounting bracket
  • NPT adapter - 1½-in
  • NPT adapter - 2in
  • Rosemount™ 1408H Level Transmitter - Non-Contacting Radar
Rosemount™ 1408H Level Transmitter - Non-Contacting Radar

Specs

Accuracy
± 0.08 in. (± 2 mm)
Certifications/Approvals
3-A®, FDA, EC 1935/2004, EHEDG, etc. See Product Data Sheet for complete list of certifications.
Communication Protocol
4-20 mA (2-wire) HART® or ​4-20 mA (3-wire), switch (PnP/NpN), and IO-link (enabling e.g. Ethernet/IP, Profinet, Modbus TCP/IP, OPC UA)
Interoperability
See Product Data Sheet for complete list of cables, IO-Link accessories, etc.
Measurement Range
32.8 ft. (10 m)
Operating Pressure
116 psi (8 bar)
Operating Temperature
-40 to 302°F (-40 to 150°C)
Process Connection
Tri Clamp, DIN 11851, Varivent®, etc. See Product Data Sheet for complete list of options.
Process Wetted Material
316L/1.4435 SST, EPDM, PTFE (Food graded)

Features

  • Smart Echo Supervision™: Automatically track all echoes, including those from obstructions in the vessel, and distinguish them from the real product surface echo. This ensures the true product level is reliably and accurately reported.​
  • Hygienic & Robust Design: IP69K-rated stainless steel housing with drip-off seal resists condensation and build-up.​
  • CIP/SIP Ready: Unique CIP algorithm detects cleaning cycles, and its design withstands tank cleaning and external washdowns.​
  • Compact Form Factor: Ideal for small tanks and vessels with space constraints.​
  • Flexible Connections: G1" process connection is compatible with full suite of hygienic process connection adapters, M12 electrical connector allows for quick setup.​
  • Easy Integration: Supports 2-wire 4-20 mA/HART® or 3-wire 4-20 mA and IO-Link for seamless system compatibility.​
  • Configurable Switch Output: Alerts for abnormal level conditions.​
  • No Dead Zone: Reliable measurement up to the top of the tank, perfect for small tanks.​
  • Maintenance-free radar measurement: Unaffected by density, viscosity, temperature, pressure, or pH changes.​

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